158 
ZOOLOGICAL LITERATUEE. 
cartilaginous arch, of which that on the right (the animal being on its hack) 
overlaps with its convexity the left coracoid, and that of the left coracoid 
underlaps that on the right. Superior plate of the ethmoid completely ossi- 
fied, very rarely ''prolonged anteriorly, usually covered hy the completely 
ossified fi’onto-parietals, or hy these and the prefrontals together. No ptery- 
goideum. Sacral diapophyses dilated j coccyx attached to two condyles. 
Tongue free, not retractile posteriorly. Psmidophryne, PhryniscuSf Epidalea 
(Bicfo calamitd), Bufo, Incilius, SclerophrySj Peltaphryne^ Bhceho, Pahcdicola, 
Schxsmadei’maf OtilophuSj Phrynxndis, Nectes. 
Fam. 6 . Dendrohatidce. 
Epicoracoidei transverse, their distal extremities in contact with each 
other and with the dilated distal extremities of the coracoidei, which are 
. also in contact with each other. A manubrium. Sacral diapopliysis cylin- 
drical. Fronto-parietal bones completely and strongl}^ ossified. Tongue not 
retractile posteriorly. Ear perfectly developed. Dendrohates. 
Third suborder. Arcipeba. 
Teeth present. Coracoid and epicoracoid bones divergent, and connected 
by a longitudinally placed cartilaginous arch, that of the one side over- 
lapping that of the other, 
Fam. 1. Discoglossidce. 
Sacral diapophyses dilated ; vertebree opisthoccelian ; ribs j diapophyses of 
first coccygeal vertebra j outer metatarsi separated by web. (Xa^owm), i>(s- 
coglosms, Alytes^ Bombinator. 
Fam, 2, Asterophrydidce. 
Sacral diapophyses dilated j vertebrae opisthoccelian j no ribs or coccy- 
geal diapophyses ^ outer metatarsi bound together. Oryptotisy Asterophrysj 
MegahphrySy XenophrySy Leptolrachium. 
Fam. 3. ScaphiopOdidce. 
Sacral diapophyses dilated ; vertebrae procoelian ; terminal phalanges con- 
tinuous, conic, simple. ChirolepteSy Scaphiopus, TehncdohniSy PelohaUSy Al- 
sodeSy HelioporuSy HyperoHUy Pelodytes, 
Fam. 4. Hylidce. 
Sacral diapophyses dilated; vertebrae procoelian. Terminal phalanges 
with a swollen base, and slender, curved, claw-like termination *. 
Fam. 6. Cystignathidce. 
Sacral diapophyses cylindrical ; vertebrae procoelian. 
a. External metacarpal bones free, separated by natatorial membrane : 
MyxophyeSy Pseudis {Zysapsus ?). 
b. External [metacarpal bones bound together : HylodeSy Elosia, Limno- 
chatisy Phyllohates, Q'ossodactyhis, Enhydrobius, CydignaihuSy Gnathophysay 
CeratophrySy Tomopternay CalyptocephaluSy Pithecopsisy CyclorhmnphuSy ELylo- 
rhintty Pleurodema, GomphobateSy LiupemSy Borborocode&y LimnodynasteSy Eu- 
sophus (g. n., for Cystignathus 7iodosuSy B. & B.), Crinia. 
Fourth suborder. Eanifobmia. 
"With teeth, the sacral diapophysis cylindrical, and a sternum of the fol- 
* We give a synopsis of the genera below (p. 160), as it appears in a 
modified form in a later paper of the author. 
