FROGS Of THE GENUS MANTIDACTYLUS. 259 



I). Tibio-tarsal articulation reacliing eye or between eye and nostril ; toes 

 f to f webbed ; tympanum f to once diameter of eye. 

 tioreal region oblique ; tympanum not more than 

 1^ times its distance from the eye ; tibia 2^ to 

 3 times as long as broad ; inner metatarsal 

 tubercle ij to j length of inner toe ; back with or 

 without small elongate warts ; belly perfectly 



smooth .' Jf. amboJi imitombi, sp. n. 



Loreal region oblique ; tympanum 2 to 3 times its 

 distance from the eye; tibia 3 to 8^ times as 

 long as broad ; inner metatarsal tubercle ^ to j 

 length of inner toe; back with elongate warts 

 or glandular folds ; belly granulate on the sides 



aud behind M. ulcerosus Boettg. 1880. 



Loreal region nearly vertical ; inner metatarsal 

 tuberele ^ length of inner toe; two glandular 



folds along the back M. hellyi Mocquard, 1895. 



c. Tibio-tarsal articulation reaching be- 

 yond tip of snout; toes \ webbed; 

 tympanum a little smaller than the 

 eye; three glandular folds along the 



back ; belly smooth M. opiparis Peracca, 1893. 



3. Head a little longer than broad; snout pointed, stronglj' projecting beyond 

 the mouth ; tibio-tarsal articulation reaching anterior border of eye or 

 nostril; toes not more than^ webbed; belly smooth. 

 Tympanum larger than the eye ; first finger 

 shorter than second; two glandular folds along 



the back M. cerumnalls Peracca, 1893. 



Tympanum about i diameter of eye; first finger as 

 long as or slightly shorter than second ; back [Hew. 1913. 



with large glands 31. glandulosus Meth. & 



C. Discs of fingers rather large, at least nearly twice as broad as the penultimate 

 joint, as large as or larger than those of the toes. 



1. Belly perfectly smooth ; tibio-tarsal articulation reaching eye ; heels meet- 



ing ; tibia 3 times as long as broad, 2 to 2^ times in length from snout to 

 vent ; toes entirely or nearly entirely webbed ; first finger much shorter 

 than second ; loreal region nearly vertical. 

 Head longer than broad ; snout pointed, strongly 

 projecting beyond the mouth; tympanum £ 



diameter of eye If. wa/ori Blgr. 1896. 



Head as long as broad ; snout rounded or obtusely 

 pointed, moderately projecting; tympanum \ to 

 I diameter of eye M. cowanii Blgr. 1882. 



2. Belly granulate behind and on the sides onlj^ ; heels overlapping ; tibia 



3^ to 4 times as long as broad; toes f to nearly entirely webbed; inner 

 metatarsal tubercle 5 to g^ length of inner toe ; first finger a little shorter 

 than second ; t3anpanum | to f diameter of eye ; loreal region nearly 

 vertical. 

 Tibio-tarsal articulation reaching eye, nostril, or 



tip of snout; tibia If to 2 times in length from 



snout to Vent ; tongue usually with a conical 



papilla in the middle of the anterior third M. luguhris A. Dum. 1853*. 



Tibio-tarsal articulation reaching tip of snout or 



beyond ; tibia If times in length from snout to 



vent M.flavicrus Blgr. 1889. 



3. Belly granulate ; heels stronglj* overlapping. 



a. Tibio-tarsal articulation reaching eye or tip of snout ; tibia 3^ to 

 4^ times as long as broad. If to 2 times in length from snout to vent ; 

 tympanum i to f diameter of eye; loreal region nearly vertical. 

 Toes f webbed ; inner metatarsal tubercle small, 

 feebly prominent, \ length of inner toe ; a narrow 

 dorso-lateral glandular fold M. granulatus Boettg. 1884. 



* Includes M. femoralis Blgr., 1882, and amhreensis Mocquard, 1895. 



