4. CniROMASTIS. — 5. IXALUS. 93 



2. Chiroinantis xerampelina. 



Chiromantis xerampelina, Gilnth. Cat. p. 85. 

 Chiromantis xerampelina, Peters, Arch.f. Naturg. 1855, p. 56. 



Vomcriue teeth between the choanae. Head broader than long ; 

 snout shorter than, or as long as, the greatest orbital diameter, 

 luner fingers -webbed at the base, outer ones half webbed. Sides 

 with reddish-brown spots and bands. lEale without vocal sac. 



Mozambique. 



3. Chiromantis petersii. (Plate X. fig. 1.) 



Vomerine teeth in two oblique groups between the choanje. 

 Head broader than long ; snout rounded, as long as the greatest 

 orbital diameter, with indistinct canthus rostralis ; loreal region not 

 concave ; nostril equally distant from the eye and the tip of the 

 snout ; interorbital space scarcely broader than the upper eyelid ; 

 tympanum half the width of the eye. Inner fingers webbed at the 

 base, the outer ones one-third webbed ; toes short, nearly entirely 

 webbed ; disks very small ; subarticular tubercles well developed ; 

 a small inner metatarsal tubercle. The hind limb being carried 

 forwards along the body, the tibio-tarsal articulation reaches the 

 eye. Skin smooth, granular on the belly and under the thighs ; a 

 slight fold above the tympanum. Greyish brown above, indistinctly 

 marbled ; a dark-brown stripe on the temporal region. Male with 

 an internal vocal sac. 



Interior of E. Africa. 



a. c? • Interior of E. Africa 



. / ^H'^^^^i^^^t-^^t.^t' J 



5. IXALXJS*. 



Orchestes, TscJmdi, Batr. p. 76. 



Ixalus, Dum. Sj- Bibr. viii. p. 523 ; Gilnth. Cat. p. 74 ; Cope, Nat. Hist, 



Ret). 1865, p. 116. 

 ? Leptomantis, Peters, 3fon. Berl. Ac. 1867, p. 32. 



Pupil horizontal. Tongue free and deeply notched behind. Vo- 

 merine teeth none. Tympanum distinct or hidden. Fingers free 

 or webbed at the base ; toes webbed : tips of fingers and toes dilated 

 into regular disks. Outer metatarsals separated by a groove or 

 narrow web. Omosternum and sternum with a bony style. Ter- 

 minal phalanges obtuse. 



East Indies. 



SO/ 



Ixalus jcqwnicus, Hallow. Proe. Ac. Philad. 1860, p. ?l*i, — Japan. 



