46 REPTILES. 
** Scales slightly keeled. 
2. Betcuer’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 Rincep Aturta. Aturia Lapemoides. 
Whitish in spirits; neck with broad black rings; body with 
narrower black rings, which form 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. 
b. 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. Rept. 183 (not Mi- 
crocephalus, as quoted by Schlegel, Phys. Serp. 508). Liopala, 
Gray, Zool. Misc. 60, 1842. Hydrus sp., Shaw, Zool. iii. 560. En- 
hydris sp., Merrem, Tent. 141. Hydrophis sp., Cuvier, R. A. ii. 74. 
Disteira sp., Fitz. N. Syst. Rept. 55, 1826. Isis, 1827, 733. 
1. The Kapett Nacam. Microcephalophis gracilis, Lesson, 
Belanger, Voy. Rept. t.3. Liopala gracilis, Gray, Zool. Mise. 60. 
