108. FARANCIA. 291 
Maxillary teeth subequal, 17 or 18; mandibular teeth subequal . 
Head small, not distinct from neck; eye small, with round pupil ; 
nostril directed upwards, in a semidivided nasal; a single internasal ; 
no preocular, loreal and prefrontal entering the eye. Body cylin- 
drical; scales smooth, without apical pits, in 19 rows; ventrals 
rounded. ‘Tail short; subcaudals in two rows. 
North America. 
Skull of Farancia abacura. 
1. Farancia abacura. 
Coluber ovivorus, part., Daud. Rept. vi. p. 841 (1803). 
abacurus, Holbr. N. Am. Herp. p. 119, pl. xxiii. (1836). 
Homalopsis reinwardtii, Schleg. Phys. Serp. ii. p. 357 (1837). 
Helicops abacurus, Holbr. op. cit. ed. 2, iil. p. 107, pl. xxvi. (1842). 
Hydrops reinwardtii, Gray, Zool. Mise. p. 68 (1842). 
Farancia drummondi, Gray, 1. c. 
fasciata, Gray, Cat. p. 74 (1849). 
abacurus, Baird § Gir. Cat. N. Am. Rept. p. 123 (1853). 
Calopisma abacurum, Dum. § Bibr. vii. p. 342, pl. lxv. (1854). 
reinwardti, Jan, Arch. Zool. Anat. Phys. iti. 1865, p. 248, and 
Icon. Gén. 29, pl. vi. (1868). 
Hydrops abacurus, Garm. N. Am. Rept. p. 86, pl. 1. fig. 5 (1888) ; 
H. Garm. Bull. Illin. Lab. iii. 1892, p. 281. 
Rostral broader than deep, just visible from above, forming a 
suture with the internasal, which is much broader than long; 
frontal about once and a half as long as broad, longer than its 
v2 
