164 ENGYSIOMATID^, 



Hylaplesia, sp., Boie, Isis, 1827, p. 291. 



Enfrystoma, sp., Bum. ^ Bibr. \m. p. 738 ; Cope, I. c.jp. 191. 



Diplopelma, Gunth. Cat. p. 50. 



Scaptopliryne, Fitzing. Sitz. Ah. Wien, xlii. p. 146. 



Ranina, David, Nouv. Arch. Mas. vii. 1872, JBtiU. p. 76. 



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

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

 and another in front of the oesophagus. Tympanum 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 bej-ond 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. pidclira, p. 165. 



Toes webbed at the base, the tips dilated into 



•weJl-developed disks 4. achatina, p. 166. 



Toes entirely webbed, the tips dilated into vs^eil- 



developed disks , 5. berdmorii, p. 166. 



1. Microhyla rubra. 



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

 Engy stoma rubrum, Jerclon, Journ. As. Soc. xxii. 1853, p. 534. 



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

 diameter ; intcrorbital space broader than the upper eyelid. Eingers 

 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. Keddish bz'own 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 



