292 BATRACHIA SALIENTIA. 
canthus. Tympanum one-third the diameter of the eye. Vomerine teeth none. 
Fingers free, disks rather larger than tympanum, and conspicuously larger than those 
of the toes; toes webbed at the base only. When carried forward, the heel reaches 
the end of the snout. Purplish or cream-coloured, uniform or with scattered red 
specks. Concealed parts of the limbs not pigmented. 
Width of head . . . . ee eee ee 18 millim. 
Distance of vent from snout . . . . . . . se ee 42, 
» - heel . . we ee ehhh CAO, 
7 » metatarsal joint. . . . . . . 55 ,, 
” 3 end of fourth toe . . . . . . 6 4 
PTERNOHYLA. 
Pternohyla, Bouleng. Ann. & Mag. N. H. 1882, x. p. 326. 
Pupil transversely oval. Tongue without notch behind. Vomerine, no parasphenoid 
teeth. Fingers and toes with disks, the latter webbed. Outer metatarsals united ; 
metatarsal tubercle enlarged, compressed. Females without dorsal pouch. 
This genus is intermediate between the rough-headed Hyle and T'riprion. 
1. Pternohyla fodiens. (Tab. LXXIV. fig. B.) 
Pternohyla fodiens, Bouleng. Ann. & Mag. N. H. 1882, x. p. 326. 
Hab. Muxico, Presidio (forrer). 
Head osseous, rough, margin of the upper jaw reverted; canthus rostralis distinct ; 
sides of the snout sloping, concave, dilated ; nostrils separated by a flat space; inter- 
orbital space concave, as wide as the orbit. Tympanum half the area of the eye. 
Upper parts granular. Fingers free, toes one-third webbed. Disks small. Brownish, 
largely marbled with darker, each spot with a darker edge. Thighs and groin, in life, 
sulphur-yellow, marbled with dark brown. 
Width ofhead . ...... se ee ee) ) 628 millim. 
Distance of occiput from snout . . . . . . . + . WW, 
” vent from snout... . .. .-... 61 ,, 
» » heel. . . . - ee ee 40, 
” 9 metatarsal joint. . . . . . . 55 ,, 
» ” endoffourth toe ..... . 80.7, 
Boulenger, J. ¢., says that “it is slow in its movements, and not a good climber. 
Its habits are more burrowing than arboreal. It is not able to climb up a glass, but 
burrows itself deeply in the moss by means of its metatarsal shovels, the movements 
executed in this proceeding being exactly those of Pelobates.” 
