220 CATALOGUE OF UNGULATES 



V. Genus TETRACERUS. 



Tetracerus, Leach, Trans. Linn. Soc. vol. xiv, p. 524, 1825 ; Blanford, 



Fauna Brit. India, Mamm. p. 519, 1891. 

 Tetraceros, Voigt, Cuvier's Thierreich, vol. i, p. 314, 1831 ; Rilti- 



meyer, Abh. schweiz. pal. Ges. vol. iv, p. 213, 1877 ; Sclater and 



Thomas, Book of Antelopes, vol. i, p. 213, 1896 ; PococJc, Proc. 



Zool. Soc. 1910, p. 921. 



Differs from all the preceding genera of the subfamily by 

 the presence of a pair of large preorbital face-glands, opening 

 by longitudinal slits, and of a pouch-like gland in each hind 

 lateral hoof; inguinal glands wanting. The genus is also 

 distinguished from all other existing hollow-horned ruminants 

 by the presence, typically, of two pairs of horns in males, of 

 which the first pair are much smaller than the second, both 

 being short and unkeeled ; females hornless ; tail relatively 

 short, not tufted. Skull with large lachrymal pits ; upper 

 molars with short, quadrangular crowns, without a distinct 

 additional column on inner side ; sexes alike in colour ; 

 tragelaphine markings mostly absent. Placed by Gray 

 between the reedbucks and the klipspringer-steinbok group, 

 the genus has been generally associated by subsequent writers 

 with the duikers. In 1877 Riitimeyer had, however, placed 

 it next the nilgai, although separating the latter from the 

 Tragelaphince, and classing both genera with the Cephalophince. 

 The affinity between Tetraceros and Boselaphus is confirmed 

 by Pocock, who includes both in the Tragelaphince. 



The range is restricted to the plains of Peninsular India. 



TETEACERUS QUADRICORNIS. 



Cerophorus (Cervicapra) quadricornis, Blainville, Bull. Soc. Philom. 

 1816, pp. 75 and 78, Journ. Phys. August 1818, Okeris Isis, 1819, 

 p. 1095. 



Antilope quadricornis, Desmarest, Nouv. Diet. Hist. Nat. ed. 2, 

 vol. ii, p. 193, 1816, Mammalogie, vol. ii, p. 466, 1822 ; Schinz, 

 Cuvier's Thierreich, vol. i, p. 395, 1821 ; Goldfuss, Schreber's 

 Sdugthiere, vol. v, p. 1243, 1824 ; Lesson, Man. Mamm. p. 281, 

 1827; H. Smith, Griffith's Animal Kingdom, vol. iv, p. 256, 

 1827 ; J. B. Fischer, Synop. Mamm. p. 471, 1829 ; Waterhouse, 

 Cat. Mamm. Mus. Zool. Soc. p. 42, 1838. 



Antilope chickara, Hardwicke, Trans. Linn. vol. xiv, p. 520, pis. xv 

 and xvi, 1825 ; Hills, ibid. vol. xv, p. 501, pi. xix, 1827 ; Lesson, 



