- = 
7." BOIDE. 
Premaxillary bone toothed. Anterior maxillary teeth longest, 
gradually decreasing in size ; anterior mandibular teeth very large. 
Head slightly distinct from neck, covered with symmetrical shields ; 
nostrils lateral, between two small nasals, which are separated from 
their fellows by a pair of internasals; some of the lower labials 
pitted. Eye small, with vertical pupil. Body slightly compressed ; 
scales moderate, smooth. Tail rather short, conical, not or but 
slightly prehensile ; subcaudals mostly in two rows. 
New Ireland. 
1. Nardoa boa. 
i an. Schleg. Phys. Serp. ii. p. 22 (1887), and Abbild, pl. xiii. 
Nardoa Shep Gray, Zool. Miscell. p. 45 (1842); Dum. §& Bibr. 
vi. p. 447 (1844) ; Gray, Cat. p. 93 (1849) ; Jan, Icon. Gén. p. 99, 
1. 7, pl. vi. ig. 2 (1864). ; 
—— boa, F. Miller, Verh. nat. Ges, Basel, vii. 1882, p. 168, 
Rostral nearly twice as broad as deep, not visible from above; 
internasals broader than long, two fifths to one third the length of 
the preefrontals ; latter, one pair ; frontal as long as broad or a little 
longer than broad ; two pairs of parietals; a small loreal; a very 
large preocular ; two postoculars; ten to twelve upper labials, two 
or three of which enter the eye ; three or four of the posterior lower 
labials pitted. Scales in 35 to 38 rows. Ventrals 245-267; anal 
entire; subcaudals 47-52. Young with alternate black and orange 
rings; adult brown with black rings, or nearly uniform blackish 
brown ; head black, with a light spot behind the eye. 
Total length 950 millim.; tail 120. 
New Ireland. 
a, b, c, d-f. Ad. (V. 251, Duke of York Is, Rey. G. Brown [C.]. 
252, 267; ©. 52, ?, ?) 
& yg. (V. 248, 246, 
245; C. 50, 48, 51). 
g. Ad., skel. Duke of York Is. Rey. G. Brown [C.]. 
3. LIASIS. 
Liasis, Gray, Zool. Miscell. p. 44 (1842). 
Nardoa, part., Gray, l. c. p. 45, and Cat. Sn. p. 98 (1849). 
Liasis, part., Dum. & Bibr. Erp. Gén. vi. 31 (1844); Gray, Cat. 
p- 91; Jan, Icon. Gén. Ophid. p. 98 (1864) 
Lisalia, Gray, Cat. p. 92. 
Leiopython, Hubrecht, Notes Leyd. Mus. i. 1879, p. 14. 
Premaxillary bone toothed. Anterior maxillary and mandibular 
teeth very long, gradually decreasing in size, Head distinct from 
neck, covered with symmetrical shields; nostrils supero-lateral, in 
a large semidivided nasal, which is separated from its fellow by a 
pair of internasals; rostral and upper labials without or with 
shallow pits ; some of the lower labials pitted. Eye moderate or 
rather small, with vertical pupil. Body cylindrical or slightly 
