416 



5. NOTOTREMA. 



Hyla, sp., Dum. Sr Bihr. viii. p. 598. 



Gastrotheca, Fitzing. Syst. Hept. i. p. 30. 



Notodelphys, Weinland, Man. Berl. Ac. 1854, p. 372. 



Nototrema, Giinth. Cat. p. 115; Cope, Nat. Hist. Rev. 1865, p. 109, 



and Journ. Ac. Philad. (2) vi. 1866, p. 85. 

 Opisthodelphys, Giinth. I. c. p. 117 ; Cope, Nat. Hist. Rev. 1865, 



p. 109, and Journ. Ac. Philad. (2) vi. p. 85. 



Pupil horizontal. Tongue suboircular, entire or slightly nicked, 

 little free behind. Vomerine teeth. Tympanum distinct. Fingers 

 ■webbed at the base ; toes webbed, the tips dilated into regular disks. 

 Outer metatarsals united. Female with a dorsal pouch. Omo~ 

 sternum cartilaginous ; sternum a cartilaginous plate. Diapophyses 

 of sacral vertebra moderately dilated. 



Tropical America. 



Synopsis of the Species. 



I. Derm of head free from cranial ossification. 



Tibio-tarsal articulation not reaching be- 

 yond the eye ; interorbital space not 

 broader than the diameter of the orbit. 1. marsupiatum, ■p. 416. 



Tibio-tarsal articulation not reaching be- 

 yond the eye ; interorbital . width 

 greater than the diameter of the orbit. 2. plumbeum, p. 417. 



Tibio-tarsal articulation reaching nearly 

 the tip of the snout ; skin of back with 

 bony deposits 3. testudineim, p. 417. 



Tibio-tarsal articulation reaching beyond 



the tip of the snout 4. longipes, p. 418. 



II. Derm of head completely involved 



in the rugose cranial ossification . . 5. oviferum, p. 418. 



1. Nototrema marsupiatum. 



Nototrema marsupiatum, Giinth. Cat. p. 116, pi. 10. f. B. 

 Hyla marsupiata, Dum. Sr Bibr. p. 698, pi. 98; Guichen. in Casteln. 



Anim. nouv. ou rares de l'Am6r. du Sud, Rept. p. 86. 

 Nototrema marsupiatum, Giinth. Proc. Zool. Soc. 1859, p. 417; 



Espada, Viaj. Pacif., Vertehr. pi. 4. f. 1. 



Tongue subciroular, slightly nicked and free behind. Vomerine 

 teeth in two short straight series on a level with the hinder edge of 

 the choanae. Head moderate, broader than long; skuU rugose in 

 the adult, the derm of ^ the head, however, remaining free ; snout 

 rounded, much longer than the diameter of the eye ; loreal region 

 not concave ; canthus rostralis distinct ; interorbital space broader 

 than the upper eyelid, concave in full-grown specimens ; tympanum 



