BATKACHIA SALIKNTIA. 119 



Fam. 4. PELODRYADIDiE. 



Hylina with webbed toes, dilated processes of sacral vertebra, and 

 with paratoids. 



One genus. Australia. 



J. PELODRYAS. 



Vomerine teeth. Skin minutely granular, with a large broad 

 paratoid. Disks veiy largo ; fingers one-half or one-third, toes two- 

 thirds webbed ; first finger opposite to the three others. Tympanum 

 distinct ; eustachian tubes moderate ; tongue large, circular very 

 slightly notched behind. Diapophysis of sacral %'ertebra dilated. 

 Males with an internal subgular vocal sac. Australia. 



1. Pelodryas caeruleus. (Plate IX. fig. B.) 



Rana cterulea, White, Joi/ni. N. S. Wales, App. p. 248 (fio-. bad) • 

 Shaw, Zool. iii. p. 113; Daud. Rain. p. 70; Men: Tent. -0^174:. 



Rana austrasiaj, Schneid. Hist. Amph. p. 150. 



Hyla cyanea, Daud. Rept. viii. p. 4^i ; Cuv. Rhine Anim. ; Schlea 

 Abbild. t. 9. f. 2 ; Dum. <^- Bibr. p. 577. 



Calamites cajruleus, Wuc/l. Amph. p. 200. 



Calamita cyanea, Tschudi, Batr. p. 73. 



Above uniform green, in spirits bluish, beneath uniform whitish. 

 Vomerine teeth in two oblique series, convergent posteriorly. 



a-d. Adult. Port Essington. Purchased of Mr. Gould. 



e. Adult. Port Essington. Presented by the Earl of Derby. 



/. Adult. Port Essington. Presented by the Earl of Derby". 



if. Adult. North Australia. Presented by Dr. J. E. Elsey. ' 



h, i. Adult. Australia. Presented by the Earl of Derby. 



k. Adult male : skeleton. Australia. 



/. Adult. Australia. Voyage of the Herald. 



m. Adult male. Antarctic Expedition. 



n. Adidt. Moreton Bay. Piu-chased of Mr. Stevens. 



Descrij^tioH. — In habit very similar to PhyUomedusa bicolor ; head 

 broader than long, with broad cro^ni and short, roimded muzzle ; eye 

 moderate ; cleft of mouth rather large ; behind the eye a large broad 

 paratoid, extending to the shoulder, projecting far above the tympa- 

 num, with many pores; skin of the back minutely granular, the 

 granules on the sides and beneath larger. Disks of the fingers very 

 large, as large as the tympanum, those of the toes rather smaller ; 

 fii-st finger opposite to the three others ; a rudimentary membrane 

 between the first and second fingers ; the three outer ones one-third 

 webbed, with moderate subarticular tubercles ; in specimen »i. (fig. b) 

 the web extends over one-half of the length of the fingers ; fore- arm 

 with a cutaneous ridge to the elbow. Toes two-thirds webbed, the 

 membrane being deeply notched ; subarticular tubercles moderate ; 

 metatarsus with one small, oval, bhmt tubercle ; a cutaneous fold along 



