164 ENGYSXOJIATID^. 



Hylaplesia, sp., Boie, Isis, 1827, p. 294. 



Engystonica, sp., Dum. 8f Bibr. viii. p. 738 ; Cope, I. c. p. 194. 



Diplopelma, Giinth. Cat. p. 50. 



Scaptophrjne, Fitzing. Sits. Ak. Wien, xlii. p. 146. 



Eanina, David, Nouv. Arch. Mus. \n. 1872, Bull. p. 76. 



Pupil erect. Tongue elliptic, entire, free behind. Yomerine 

 teeth none. A cutaneous ridge across the palate between the choanse, 

 and another in front of the oesophagus. T^'mpanum hidden. Fin- 

 gers free ; toes more or less webbed, sometimes very slightly ; tips of 

 fingers and toes blunt or more or less dilated. Outer metatarsals 

 united. Coracoids united by a simple epicoracoid cartilage ; pre- 

 coracoids none ; no omosternum ; sternum cartilaginous. Diapo- 

 physes of sacral vertebra moderately dilated. Terminal phalanges 

 simple. 



China ; East Indies. 



Synopsis of the Species. 



Toes very slightly webbed ; metatarsal tuber- 

 cles strong, compressed 1. rubra, p. 164. 



Toes webbed at the base ; metatarsal tubercles 

 very small ; tibio-tarsal articulation not 

 reaching beyond the eye 2. ornata, p. 165. 



Tibio-tarsal articulation reaching the tip of the 

 snout, or beyond ; toes half webbed, the tips 

 not dilated 3. indchra, p. 165. 



Toes webbed at the base, the tips dilated into 



wcH-developcd disks 4. achatina, p. 166. 



Toes entirely webbed, the tips dilated into well- 

 developed disks , 5. berdmorii, p. 166. 



1. Microhyla rubra. 



Diplopelma ornatum, part., Giinth. Cat. p. 50. 

 Engystoma rubrum, Jerdon, Journ. As. Soc. xxii. 1853, p. 534. 



Habit stout. Snout rounded, a little shorter than the orbital 

 diameter ; interorbital space broader than the upper eyelid. Fingers 

 moderate, first much shorter than second ; toes moderate, one-third 

 webbed ; tips of fingers and toes not swollen ; subarticular tubercles 

 very distinct; two rather large, oval, compressed, very prominent 

 metatarsal tubercles, outer somewhat larger than inner. The 

 hind limb being carried forwards along the body, the tibio-tarsal 

 articulation reaches somewhat beyond the shoulder, never to the eye. 

 Skin smooth. Ecddish brown above, sides darker ; a dark-brown 

 line from the tip of the smout through the eye along the side of the 

 back to the groin ; a dark-brown mark across the thigh, beginning 

 on the loin ; limbs with more or less distinct cross bars ; sometimes 

 a dark X-shaped marking on the front of the back, commencing 

 between the eyes ; beneath immaculate, or with a few brown dots 



