155 



of toes a little larger; first finger much shorter than second, 

 which is about as long as fourth ; third toe longer than fifth ; 

 toes feebly webbed at the base; subarticular tubercles distinct ; 

 two small metatarsal tubercles; the heel reaches the tip of 

 the snout or a little beyond; tibia l j 2 to 3 / g length of head 

 and body. 



Skin smooth. 



Brownish, reddish or greyish above, usually with dark brown 

 spots or symmetrical markings, or with chevron-shaped darker 

 and lighter lines; a light vertebral line sometimes present; 

 sides of head and body dark brown 

 or black; limbs usually with more 

 or less distinct dark cross-bars; anal 

 region blackish ; lower parts pur- 

 plish buff, the throat sometimes 

 powdered with brownish or blackish. 

 Length 28 mm. 



Male with a subgular vocal sac. 



Tadpole. — Length of body 

 i 3 / 4 times to twice its width; tail 

 twice the length of the body, vary- 

 ing in depth (about 2'/ 3 to 4 times 

 as long as deep). Nostril in the 

 middle between eye and upper lip; 

 eyes lateral, the distance between 



them about 4 times that between the nostrils; spiraculum 

 median, its transparent sheath opening below the belly; anal 

 tube median, long, opening at the lower edge of the sub- 

 caudal crest. Tail ending in a fine flagellum ; crests moderate, 

 the upper one convex, about '/■> to nearly equal to the depth 

 of the lower one, extending on to the base of the tail. 



Mouth terminal, without upper lip; lower lip large, with 

 undulated border; jaws colourless; papillae and teeth absent. 



Body colourless, with the back and lip brown, a brown 

 streak between eye and mouth and a small brown spot at the 

 base of the spiracular sheath ; muscular part of tail, except 

 the tip, brownish, the crests colourless. Length 25 mm. 



Habitat: Simalur!; Nias ! ; Sumatra (Takengan, Gajo 

 countries!; Medan ! ; Brastagi, Karo highland, 1400 m. ! ; Laut 

 tador; Agam ; Singkarah!); Java (Posata, Bantam ; Buitenzorg !; 

 Tjibodas, + 1200 m. ! ; Sukabumi, +900 m. ! ; Tjiandjur; Mt. 



Fig. 22. 

 Microhyla achatina Boie, X *• 



