Find research datasets worth reusing

Fig. 19 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 19. Part of the Lagunilla del Carmen looking southeastward on July 8, 1964. The various pools and puddles were kept filled by the overflow from a large spring on a hillside near El Carmen, Tlaxcala. Domestic stock wandered about freely. Thamnophis eques carmenensis and a frog of the Rana pipiens complex were abundant in many parts of the watery landscape.

Fig. 14 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 14. The Lago de Magdalena, Jalisco, as it looked when it still existed during the first half of the 20th century. Adapted from a map in the Atlas Geográfico de los Estados Unidos, published in 1946. Redrawn by W.H. Brandenburg.

Fig. 8 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 8. Dorsal pattern of Thamnophis eques insperatus (AMNH 87550), 600+ mm in original length, from near Zacapu, Michoacán, found dead on the road and not in the best of condition, August 22, 1961. Drawing represents a section of skin from anterior third of body as though belly had been slit down its center, the skin loosened, and then stretched out flat. Head end toward top. Delineated by W.H. Brandenburg. (Unfortunately, this is the only available specimen from the Lago de Zacapu and its huge plexus of irrigation canals.)

Fig. 7 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 7. Upper. Adult male of Thamnophis eques patzcuaroensis (AMNH 88713), 721 mm in total length, collected August 15, 1960, near the shore of the Lago de Pátzcuaro, 5 km southwest of Quiroga, Michoacán. The intensity of the pale longitudinal stripes is variable in this subspecies, regardless of sex. Lower. Venter of snake above, which had an aberrant pattern in life. After long preservation dark crossbands appeared matching those on the venter of the female holotype.

Fig. 5 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 5. Lago de Pátzcuaro, Michoacán. An inlet from the open lake north of the town of Pátzcuaro. Here Indians arrived in their dugout canoes with their handicrafts for market day. An impenetrable wall of tules is visible at the extreme right. August 15, 1960.

Fig 6 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig 6. Upper. Dorsal view of the gravid holotype of Thamnophis eques patzcuaroensis (AMNH 93937), 1025 mm in total length, collected August 7, 1964, 3 km north of the town of Pátzcuaro, Michoacán. Lower. Venter of the holotype, after the birth of her young, showing the characteristic broad black crossbands, one on each ventral scute.

Fig. 3. A in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 3. A. Dorsal view of the gravid holotype of Thamnophis eques cuitzeoensis (AMNH 93915), 1020 mm in total length, collected August 5, 1964, near the causeway. B. Venter of the holotype. C. Three of 18 young born September 13, 1964, to the holotype.

Fig. 2 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 2. Lago de Cuitzeo, Michoacán. South shore and southern end of the 19thcentury causeway across the lake.

Fig. 11 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 11. Upper. Adult female of Thamnophis eques obscurus (AMNH 91693), 834 mm in total length, from the Lago de Chapala, collected July 15, 1959, at the town of Chapala, Jalisco. Note the complete absence of pale longitudinal stripes. Lower. Venter of same snake. The anterior of each ventral scute is dark but not nearly as wide as in the snakes from the Cuenca de Michoacán.

Fig. 12 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 12. From the Laguna de Atotonilco. Upper. A male Thamnophis eques diluvialis, 730 mm in length, collected August 16, 1964, near Villa Corona, Jalisco. The curling of the tail occurs frequently when a snake of the T. eques complex is captured or handled. Lower. Venter of a gravid female, 855 mm in length, same date and locality. Belly relatively dark.

Fig. 4 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 4. Laguna de Yuriria, Guanajuato. Young intergrading snakes (Thamnophis eques eques X T. e. cuitzeoensis). Left. Strongly patterned (270 mm) as in Thamnophis e. eques. Right. Dark and pattern obscure (335 mm), resembling T. e. cuitzeoensis.

Fig. 9 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 9. Semidiagrammatic drawings of individual ventral scutes of snakes from the Cuenca de Michoacán. (Delineated by W.H. Brandenburg.) A. Thamnophis eques cuitzeoensis. Anterior edge (upper) black; posterior very dark gray. B. Thamnophis eques patzcuaroensis. Broad anterior dark, usually black; posterior portion light and in strong contrast with remainder of scute. C. Thamnophis eques insperatus. Anterior black but not as wide as in cuitzeoensis; posterior medium gray. D. Thamnophis eques ssp. Not from the Cuenca de Michoacán but included for contrast.

Fig. 1 in Observations on Garter Snakes of the Thamnophis eques Complex in the Lakes of Mexico's Transvolcanic Belt, with Descriptions of New Taxa

Fig. 1. Areas of lakes and interior drainage of the transvolcanic belt (axis) of Mexico as they existed before the coming of the conquistadors circa A.D. 1500. Adapted from the excellent map serving as figure 4 (p. 108) in the first volume of the Handbook of Middle American Indians, Robert Wauchope, general editor, in a section on hydrography by Jorge L. Tamayo in collaboration with Robert C. West, and published by the University of Texas Press in 1964. The eight lakes from which samples of Thamnophis eques are available for this study are shown in boldface type. Other lakes and two ancient capitals are indicated by circles containing numerals as follows: 1 Sayula, 2 Zapatlán, 3 Guadalupe, 4 Magdalena, 5 Tacumbo, 6 Jaripeo, 7 Zirahuén, 8 Tzintzuntzan the Tarascan capital, 9 Zumpango, 10 Tenochtitlán the Aztec capital, 11 Xochimilco, 12 Xaltocan, 13 Texcoco, 14 Chalco, 15 Apam, and 16 Tepeyahualco.

Text-fig. 4. Occurrence of P3 in maxillae from Deninger bears and cave bears, data after Table 1 (presence = P3 or alveoli observed, absence = no P3 developed, broken = caudal part of maxilla broken). in Anterior Premolar Variability In Pleistocene Cave And Brown Bears And Its Significance In Species Determination

Text-fig. 4. Occurrence of P3 in maxillae from Deninger bears and cave bears, data after Table 1 (presence = P3 or alveoli observed, absence = no P3 developed, broken = caudal part of maxilla broken).

Text-fig. 2. Occurrence of P3 in maxillae from brown bears, data after Table 1 (presence = P3 or alveoli observed, absence = no P3 developed, broken = caudal part of maxilla broken). in Anterior Premolar Variability In Pleistocene Cave And Brown Bears And Its Significance In Species Determination

Text-fig. 2. Occurrence of P3 in maxillae from brown bears, data after Table 1 (presence = P3 or alveoli observed, absence = no P3 developed, broken = caudal part of maxilla broken).

Text-fig. 8. Occurrence of p3 in mandibles from Deninger bears, data after Table 3 (presence = p3 or alveoli observed, absence = no p3 developed, broken = diastema fragmented). in Anterior Premolar Variability In Pleistocene Cave And Brown Bears And Its Significance In Species Determination

Text-fig. 8. Occurrence of p3 in mandibles from Deninger bears, data after Table 3 (presence = p3 or alveoli observed, absence = no p3 developed, broken = diastema fragmented).

Text-fig. 6. Occurrence of p3 in mandibles from brown bears, data after Table 3 (presence = p3 or alveoli observed, absence = no p3 developed, broken = diastema fragmented). in Anterior Premolar Variability In Pleistocene Cave And Brown Bears And Its Significance In Species Determination

Text-fig. 6. Occurrence of p3 in mandibles from brown bears, data after Table 3 (presence = p3 or alveoli observed, absence = no p3 developed, broken = diastema fragmented).

Text-fig. 5. Occurrence of p1 in mandibles from brown bears, data after Table 3 (presence = p1 or alveoli observed, absence = no p1 developed, broken = diastema fragmented). in Anterior Premolar Variability In Pleistocene Cave And Brown Bears And Its Significance In Species Determination

Text-fig. 5. Occurrence of p1 in mandibles from brown bears, data after Table 3 (presence = p1 or alveoli observed, absence = no p1 developed, broken = diastema fragmented).

Text-fig. 1. Occurrence of P1 in maxillae from brown bears, data after Table 1 (presence = P1 or alveoli observed, absence = no P1 developed, broken = rostral part of maxilla broken). in Anterior Premolar Variability In Pleistocene Cave And Brown Bears And Its Significance In Species Determination

Text-fig. 1. Occurrence of P1 in maxillae from brown bears, data after Table 1 (presence = P1 or alveoli observed, absence = no P1 developed, broken = rostral part of maxilla broken).

Text-fig. 3. Occurrence of P1 in maxillae from Deninger bears and cave bears, data after Table 1 (presence = P1 or alveoli observed, absence = no P1 developed, broken = rostral part of maxilla broken). in Anterior Premolar Variability In Pleistocene Cave And Brown Bears And Its Significance In Species Determination

Text-fig. 3. Occurrence of P1 in maxillae from Deninger bears and cave bears, data after Table 1 (presence = P1 or alveoli observed, absence = no P1 developed, broken = rostral part of maxilla broken).