46 REPTILES. 



** Scales slightly keeled, 



2. Belcher's Aturia. Aturia Belcheri. 



Pale brown in spirits ; back obscurely cross-banded ; scales 

 with a very slight short keel, occupying the centre of the scales, 

 which is longest over the dorsal scales ; lower labial shields 4-4, 

 broad. Perhaps the adult of the preceding. 



a. In spirits. Adult. New Guinea. Presented by Capt. Sir Ed- 

 ward Belcher, .K.C.B., R.N. 



3. The Ringed Aturia. Aturia Lapemoides. 



Whitish in spirits ; neck with broad black rings ; body with 

 narrower black rings, which fonn rhombic spots on the back ; head, 

 throat and ventral line blackish ; band across forehead and streak 

 along the side of the head over the eyes white ; tail black : scales 

 of the neck lanceolate ; of the body nearly square, with a slightly 

 raised central keel, like A. Belcheri^ but scales squarer. 



a. In spirits. India, Ceylon. 



h. In spirits. Younger. The black bands broader, leaving oblong 



white spots, only rather broader than the bands ; scales smooth. 



India, Madras. Presented by J. C. Jerdon, Esq. 



4. MiCROCEPHALOPHIS. 



Head small, rather depressed in front ; neck slender, elongate ; 

 rostral shield broad, six-sided : labial shields, first upper triangular, 

 small ; second, third, fourth and fifth large; sixth smaller: temples 

 with two large shields, one behind the other ; hinder margining the 

 occipital: lower rostral small; first to fifth lower labial narrow, 

 high; the sixth and seventh small and square: chin shields two 

 pairs: nasal slender, truncated in front: scales of neck elongate, 

 and of body broad, short, six-sided, slightly keeled: ventral shields, 

 of the neck six-sided, smooth ; of the hinder part of the belly keeled ; 

 the scales of which they are formed often separate : pupil round (not 

 linear, erect, as figured by Lesson). 



Microcephalophis, Lesson, Belanger, Voy. RepL 183 (not Mi- 

 crocephalus, as quoted by Schlegel, Phys. Serp. 508). Liopala, 

 Gray, Zool.Misc.QO, 1842. Hydrus sp., Shaw, Zool. iii. 560. En- 

 hydris sp., Merrem, Tent. 141. Hvdrophis sp., Cuvier, R.A. ii. 74. 

 Disteira sp., Fitz. N. Syst. Rept. 55, 1826. Isis, 1827, 733. 



1. The Kadell Nag am. Microcephalophis gracilis, Lesson, 

 Belanger, Voy. Rept. t. 3. Liopala gracilis. Gray, Zool. Misc. 60. 



