FIG. 4 in A New Species of Abronia (Squamata: Anguidae) from the Sierra de Zongolica of Veracruz, Mexico

FIG. 4. Head comparison of adult Abronia zongolica and Abronia graminea, illustrating differences in (1) circumorbital area color, (2) upper and lower jaw color pattern, and (3) presence/absence of well-developed oblique row of enlarged lateral neck scales. Locality and voucher information for each image is as follows, listed from top-to-bottom. Abronia zongolica: Teopantzacoalco (paratype, MZFC-HE 35665), Ayahuatulco (holotype, MZFC-HE 35664), Huapango (referred specimen, MZFZ-IMG 310), Atiopa (paratype, MZFZ 4406), Huapango (referred specimen, MZFZ-IMG 311). Abronia graminea: El Sumidero (MZFC-HE 32991), Puerto del Aire (MZFZ-IMG 322), Acultzinapa (MZFZ-IMG 336), Puerto del Aire (Clause et al., 2016: fig. 2), Puerto del Aire (MZFZ-IMG 338). All photos taken within 1 month of capture. From top, first and third images of A. zongolica and fifth image of A. graminea intentionally mirrored horizontally. Photos by Miguel Ángel de la Torre-Loranca, Adam G. Clause, and Antonio Esaú Valdenegro- Brito.