1. ICHTHYOPHIS. 2. URiEOTYPHLTTS. 



91 



good. I have seen all the possible transitions between the two ex- 

 treme positions of the tentacle ; the number of circular folds does not 

 correspond with the position of the tentacle — one specimen with 

 anterior tentacle having 270 folds, another, with the tentacle close 

 to the eye, having 280. 



2. Ichthyophis monochrous. (Plate IV. fig. 1.) 



Ichthyophis glutinosus, var., Cantor, Cat. Mai. JRept. p. 137. 

 Epicrium rnonochroum, Bleeker, Nat. Tydschr. Nederl. hid. xvi. 



1858, p. 188; Giinth. Rep. Brit. Ind. p. 443. 

 Ichthyophis monochrous, Peters, Mon. Berl. Ac. 1879, p. 932. 



Differs from I. glutinosus in the following characters : — Head 

 shorter, the distance between the eyes being more than the length 

 of the snout. Inner series of mandibular teeth indistinct, composed 

 of a few teeth only. 235 to 360 circular folds. Uniform blackish 

 brown or lead-coloured, without lateral band. Total length 330 

 millim. ; greatest diameter of body 13 millim. 



Java, Borneo, Singapore, Malabar. 



a. Adult. 



b. Adult. 



c. Adult. 



d. Adult. 



e. Larva, large size. 



Sinkawang, W. 



Borneo. 

 Java. 

 Singapore. 

 Malabar. 

 Malabar. 



Dr. Bleeker. 



Dr. Cantor. 

 Col. Beddome 

 Col. Beddome 



0.1 



c.j. 



2. UMOTYPHLUS. 



Ccecilia, sp., Dum. 8f Bibr. viii. p. 274; Gray, Cat. p. 57; A. Dum. 



Mem. Soc. Cherb. ix. p. 311. , 



Uraeotyphlus, Peters, Mon. Berl. Ac. 1879, p. 933. 



Squamosals free from parietals*. Teeth small, numerous in jaws 

 and palate ; two series in the lower jaw. Eyes visible. Tentacle 

 cultriform, exsertile, below the nostril. Cycloid scales imbedded in 

 the skin. 



East Indies. 



Synopsis of the Species. 



Snout moderately prominent, its length 



equalling the distance between the eyes : 



about 200 circular folds 1. oxyurus, p. 92. 



Snout very prominent, measuring more 



than the distance between the eyes; 



240 to 260 circular folds 2. malabaricus, p. 92. 



Snout moderately prominent, its length 



equalling the distance between the eyes ; 



130 circular folds 3. africanus, p. 92. 



U. africanus not examined. 



