nATUAfniA SALIENTIA. 117 



5. OPISTHODELPHYS. 



Vomerine teeth. Skin of back smooth ; head above bony, with a 

 rough ridge on the occiput. Disks large; fingers sliglitly, toes 

 broadly webbed ; tympanum distinct ; eustachian tul)es moderate ; 

 tongue large, nearly circidar, very slightly notched behind. Female 

 with a pouch on the hinder part of the back. Central America. 



Notodelplivs *, Wvinlaitd, 3Ionalshfrichte dcr Acad, dcr Wiss. Berlin, 

 1854, p. '.372. 



1. Opisthodelphys ovifera. 



Notodelplivs ovifera, IVilnhmd, I. c, and in Midler's Archir, 1854, 

 p. 449. t 17-19. 



Crown concave ; occiput with a bony, rough ridge, fonning tAvo 

 arches Avith the convexity forward. Vomerine teeth in two series 

 in a straight line, between the interior nostrils. 



a. Half-grown male. Cordova. From M. Salle's Collection. — Our 

 specimen differs from that of Weinland in haAang the sides not 

 unifoi-m broAvn, but ^^^th some large, not confluent, dark broAvn 

 spots. 



(). TEACH YCEPH ALUS. 



Vomerine teeth. Skin more or less granular ; head above bony, 

 Anth or Avithout bony ridges. Disks large ; membrane between the 

 fingers not much developed ; toes broadly webbed. Tympanum di- 

 stinct ; eustachian tubes moderate ; tongue large, nearly circular, 

 A'ery sHghtly notched behind. Males with two internal, lateral, 

 vocal sacs ; females Avithout pouch on the back. "West Indies ; South 

 America. 



Trachycephalu.«, Dum. ^- Bibr. Aiii. p. 5.34. 



Trachycephalus, Dendrohyas, sp., Hj-psiboas, sp., Tschudi, Batr. pp. 

 72, 74. 



1. Trachycephalus marmoratus. 



Trachvcephnlus marmoratus, Bibr. in Hi.'if. deVIlede Cid)ii par Ramon 



de la Sar/ra, Ropt. t. 29 ; I)ian. &^- Bibr. p. 538. 

 Hyla soptentrioualis, J/^w. Paris, cf Lai/d. 

 Deiulrohya.s septontrionalis, T.scliiidi, Batr. p. 74. 

 Ilyla brimnea, Gosse, A Natiirulint's Sojourn in Jamaica, p. 3G1. 



Vomerine teeth in a straight line between the inner nostrils, hai'dly 

 interrupted in the nriddle ; canthus rostralis Avith a bony, smooth 

 ridge ; bony surface of the croAvn finely granular ; fingers slightly 

 webbed. 



a-d. Adult. Cuba. Presented by the Zoological Society. 

 e, f. Adult. Cuba. Presented by W. S. Maeleay, Esq. 

 g. Half-groAvn. Cuba. From M. Parzudaki's Collection. 



* Preoccupied by a genus of Eiitomostraca (Ann. & Mag. Nat. Ilist. 1847. 

 vol. XX. p. 2). 



