210 BATRACHIA SALIENTIA. 
second ; first toe very short, second * considerably longer than fifth; fourth elongate. 
Olivaceous-brown above. <A black band with a very narrow pale upper border extends 
from the end of the snout to the lower part of the groin. Noinguinalspot. Black below, 
with white spots, those on the abdomen very large, the others smaller. (After Cope.) 
Length of body. . . . 2... ee ee ee 225 milli. 
” hind Jeg (measured from groin) . . . . . 29 ” 
- hind foot . . ...... .. =.=. =&J4 » 
> astragalar portion of hind foot . . . . . 45 ,, 
3. Engystoma elegans. (Tab. LXII. fig. D.) 
Engystoma carolinense, part., Giinth. Batr. Sal. p. 51. 
Engystoma elegans, Bouleng. Batr. Sal. p. 162. 
Hab. Mexico, Cordova (Saidé). 
Snout rather pointed, projecting beyond the mouth, with rather obtuse canthus 
rostralis and sloping sides. First finger shorter than second; a single small meta- 
tarsal tubercle; third and fifth toes equal in length. ‘The length of the body equals 
that of the hind limb to the root of the fourth toe. Skin smooth; a fold across the 
occiput. Light brown, back almost entirely covered with a large subtriangular patch, 
pointed towards the head, and with the base behind; sides of the head and neck dark 
brown. Lower parts marbled with brown, the brown colour forming a network; groin 
with a dark brown spot; thigh, calf, and tarsus with a single cross-band each, edged 
with darker. | 
Distance of vent from snout . ... . . . . . . . «82 millim. 
Total length of hind limb (measured from vent) . . . 48 ,, 
Length of foot with tarsus... 2... we . Q1, 
GLOSSOSTOMA, gen. nov. 
Resembling Engystoma. Tongue very large, elliptic, free and entire behind; no 
transverse ridge of the mucosa between the choane. Vomerine teeth none. Tympanum 
hidden below the skin ; ostia pharyngea narrow. Fingers and toes without disks, the 
latter webbed. Outer metatarsals united. Sternal apparatus as in Engystoma. Skin 
quite smooth everywhere, a cross-fold behind the superciliaries. 
1. Glossostoma aterrimum, sp.n. (Tab. LXIV. fig. A.) 
Hab. Costa Rica (Underwood). 
Resembling an Engystoma in general habit. Snout depressed, rather pointed, of 
* Cope may have intended to write “third.” 
