FIGURE 2 in Discovery of a new duiker species (Bovidae: Cephalophinae) from the Dahomey Gap, West Africa

FIGURE 2. Schematic view of the craniometric measurements used in this study: (1) Greatest skull length; (2) distance between basion and incisivion; (3) distance between basion and first premolars (PM1); (4) distance between basion and choanae; (5) length of premolar toothrow; (6) length of molar toothrow; (7) distance between incisivion and premolar toothrows (PM1); (8) distance between incisivion and nasion; (9) distance between nasion and bregma; (10) distance between bregma and inion; (11) horn length; (12) interorbital width; (13) nasal width (bi-lacrimal and nasofrontal suture); (14) nasal constriction; (15) greatest incisive width; (16) greatest bi-zygomatic width; (17) greatest braincase width; (18) largest width of the horn process of the frontal bone; (19) least width of the horn process of the frontal bone; (20) alveolar width at PM1-PM1; (21) width of the upper molar toothrows; (22) width of molar M2; (23) internal choanal width at M3; (24) orbital width (between lacrimo-frontal and fronto-zygomatic suture); (25) height of the vertical ramus; (26) height of the horizontal ramus between M1 and M2; (27) length between PM1 and the posterior part of the vertical ramus; (28) distance between basion and inion; (29) distance between basion and bregma; (30) distance between nasofrontal suture and palatine bone (31) lacrimal constriction.