GLOSSOSTOMA.—HYPOPACHUS. 211 
moderate length ; the entire hind leg not much longer than the body; eye not very 
small, its diameter equal to its distance from the nostril. First finger shorter than 
second, third considerably longer than fourth. Toes one-third webbed, without sub- 
articular tubercles; a single very small and flat metatarsal tubercle; no tarsal fold. 
Skin very smooth and thick. Uniform deep black; minute scattered granules with 
bluish points on each side of the vent. 
Length of the body . 2. 2... we... 55 millim. 
” hind limb (from vent) . . . . . 2... 6 ,, 
Distance between vent and heel. . . . . . . . . 85 » 
HYPOPACHUS. 
Hypopachus, Keferstein, Gétt. Nachr. 1867, p. 852; Bouleng. Batr. Sal. p. 159. 
Differing from Engystoma by the presence of very small precoracoids. 
1. Hypopachus variolosus. 
Engystoma variolosum, Cope, Proc. Ac. N. Se. Philad. 1866, p. 131; Proc. Am, Phil. Soc. 1869, 
p. 166. 
Systoma variolosum, Cope, Journ. Ac. N. Se. Philad. vi. p. 194 (1867). 
Hypopachus variolusus, Cope, Journ. Ac. N. Se. Philad. viii. p. L101 (1875) ; Brocchi, Miss. Sc. Mex., 
Batr. p. 92, t. 10. fig. 2; Bouleng. Batr. Sal. p. 159; Cope, Bull. U. 8S. Nat. Mus. no. 32, 
p- 18 (1887). 
Hypopachus seebachii, Keferst. Gott. Nachr. 1867, p. 352; Wiegm. Arch. 1868, p. 293, t. 9. 
fige. 1, 2. 
Hypopachus oxyrrhinus, Bouleng. Aun. & Mag. N. H. 1883, xi. p. 844; Zool. Record, 1889, p. 21. 
Hypopachus cuneus, Cope, Bull. U. 8. Nat. Mus. no. 34, p. 388 (1889). 
Hab. NortH America, Texas, Duval Co. (Yaylor).—Mexico, Presidio de Mazatlan 
(Forrer), Guadalajara (Dugés); Costa Rica (Seebach, coll. Salvin-Godman), 
Bebedero (Underwood), San José (Biolley). 
Two very large metatarsal tubercles, oval and compressed. Abdomen brownish, with 
rounded whitish spots. 
2. Hypopachus inguinalis. 
Hypopachus inguinalis, Cope, Proc. Am. Phil. Soc. 1869, p. 166; Brocchi, Miss. Sc. Mex., Batr. 
p- 91, t. 10. figg. 3, 4; Bouleng. Batr. Sal. p. 160. 
Hypopachus variolosus, subsp., Cope, Bull. U. 8S. Nat. Mus. no. 32, p. 18. 
Hab. Guatemata, Coban (Salvin).—EKcuapor (fraser). 
Two prominent blunt metatarsal tubercles. Abdomen whitish, marbled with black. 
