4. RANA. 



Habit generally moderate ; fingers quite free ; toes more or less 

 webbed, generally with broad web ; skin smooth, or with cutaneous or 

 glandular folds, sometimes with flat, in one species "with rough tuber- 

 cles ; never a large, paratoid-like gland ; vomerine teeth in two series 

 or groups. Tongue large, oblong, free, and deeply notched behind. 

 Tympanum generally distinct. Metatarsus with one or two blunt 

 tubercles. Males with two lateral vocal sacs, exceptionally wanting. 

 Cosmopolitan. 



Eana. auctorum. 



Rana et Stvoiigj'lopus, TucJufdi, Batr. p. 78, 79. 



1. Eana kuhlii. 



Rana kuhlii, Schley. Mus. Lugcl. Batav. ; Dum. iSf Bihr. p. 384. 



Muzzle short; tympanum indistinct; skin with longitudinal or 

 transverse plaits ; toes with slightly swollen tips, broadly webbed ; 

 metatarsus with only one tubercle ; vomerine teeth small, in two 

 oblique series, convergent behind ; lower jaw with two very promi- 

 nent, pointed, fang-like apophyses in front. A yellowish cross band 

 between the eyes. 



A. With longitudinal plaits. 



a. Half-grown. Java. From the Leyden Museum. 



B. With transverse plaits. 



6. Adult. Ceylon. From Mr. Cuming's Collection. 



c. Young. Ceylon. From Mr. Cuming's Collection. 



d. Half-grown. Ningpo. From Mr. Cuming's Collection. 



C. Upper parts with small warts, each ■wdth a horny spine. Per- 

 haps a species. 



e. Large female. Ningj)o. From Mr. Cuming's Collection. — This 



specimen exhibits only two blunt prominences in the lower jaw ; 

 but the form of all the parts is the same as in the other speci- 

 mens ; there is also a lighter indistinct cross band between the 

 eyes, and this difference may prove to be only a difference of 

 sex or of age. 



2. Rana macrodon. 



Rana macrodon, Kuhl, Mus. Liigd. Bat. ; Tschadi, Batr. p. 80 (but 

 not p. 40) ; Dum. 8,- Bihr. p. 382. 



Tympanum distinct, small ; skin smooth, with a plait above the 

 tympanum, no plaits on the occiput ; upper eyehd tubercular ; fourth 

 toe one-third longer than the fifth ; toes with slightly swollen tips, 

 broadly webbed ; metatarsus Avith only one tubercle. Crown of head 

 one-half broader than upper eyelid. Vomerine teeth in two oblique 

 series, convergent behind ; lower jaw with two very prominent. 



