96 OPHIDIA. 
labial. Scales smooth, with one apical pore; in seventeen rows. Teeth not grooved, 
the hindmost rather the longest. 
1. Pseudoficimia frontalis. 
Toluca frontalis, Cope, Proc. Ac. Nat. Sc. Phil. 1864, p. 167. 
Geagras frontalis, Cope, Journ. Ac. Phil. vi. p. 142 (1876). 
Ficimia frontalis, Garman, Mem. Mus. Comp. Zool. vill. no. 3, p. 82 (1883). 
Pseudoficimia pulchra, Bocourt, Miss. Sc. Mex., Rept. p. 572, t. 35. figg. 12, 12 a-e. 
Hab. Mexico, Ventanas and Presidio (Forrer), Colima and Guadalajara (Smiths. Inst.). 
Vertical shield five-sided, broad, as large as an occipital ; anterior frontal one-third 
the size of posterior ; one anterior and two posterior oculars ; seven upper labials, the 
third and fourth entering the orbit; temporals 1+2+4+8; anterior pair of chin-shields 
rather large, posterior small and widely separate. Ventrals 152-160; anal divided. 
Upper parts brownish olive, with a dorsal series of large rhombic, brown, black-edged 
spots, and with irregular smaller spots on the sides. A black-edged cross-band between 
the eyes. Lower parts uniform white. 
SYMPHOLIS. 
Sympholis, Cope, Proc. Ac. Nat. Sc. Phil. 1862, p. 524. 
Cheilorhina, Jan, Arch. per la Zool. i. p. 57 (1862). 
Body short, stout, with the tail short and obtuse ; head short, not distinct from neck ; 
snout rounded, obtuse; eye small. Only one pair of frontals ; anterior nasal confluent 
with the first labial; posterior nasal in contact with the ante-ocular. Scales smooth, 
without pores, in nineteen rows. Teeth smooth, equal in length, or but slightly 
increasing in strength behind. 
1. Sympholis lippiens. 
Sympholis lippiens, Cope, Proce. Ac. Nat. Sc. Phil. 1862, p. 524. 
Geophis lippiens, Garman, Mem. Mus. Comp. Zool. viii. no. 3, p. 103 (1888). 
Cheilorhina villarsii, Jan, Arch. per la Zool. ii. p. 57; and Iconogr. Ophid. xlviii. t. 1. fig. 5; cop. 
by Bocourt, Miss. Sc. Mex., Rept. p. 555, t. 34. figg. 5, 5 a-e; Garman, Mem. Mus. Comp. 
Zool. viii. no. 3, p. 85 (1883). 
Hab. Mexico, Guadalajara (Smiths. Inst.). 
Vertical shield six-sided, with the anterior angle produced forward. Five upper 
labials, the third only entering the orbit; one ante- and one postocular ; anal plate 
entire. Yellowish, with about eighteen black rings, which become more or less 
complete on the abdomen, two on the tail, and one covering the snout to behind 
the eyes. 
CONOPSIS. 
Conopsis, Giinther, Col. Sn. p. 6 (1858). 
Oxyrhina, sp., Jan, Arch. per la Zool. i. p. 59 (1862). 
