8. LYGOsOMA. 275 
parietals in contact behind the interparietal, bordered by a pair of 
nuchals and a pair of temporals; usually two or three pairs of 
nuchals behind the anterior pair; fifth and sixth upper labials 
below the eye. Ear-opening oval, about as large as the transparent 
palpebral disk, without or with a few very minuto projecting lobules 
anteriorly. 36 or 38 scales round the middle of the body ; dorsals 
largest and frequently striated or feebly pluricarinate. Praeanal 
scales not or scarcely enlarged. The adpressed limbs may overlap 
or fail to meet. Digits moderately long, subcylindrical ; subdigital 
lamellz smooth, 16 to 20 under the fourth toe. Tail about as long 
as head and body. Brown or olive-brown above, usually with small 
black spots and a more or less distinct light dorso-lateral band, which 
is edged inferiorly by the dark brown of the upper part of the sides ; 
flanks paler, often with light dots; lower surfaces yellowish or pale 
olive, throat usually variegated with blackish. Some specimens 
almost entirely black. 
millim. millim 
Total length ...... 116 Fore limb ........ 15 
Head. cseeesaietes 13 Hind limb........ 22 
Width of head .... 9 Wail, gexeeaaawe 60 
Body............ 43 
New Zealand. 
a, ie lai spec. : N. Zealand. Lieut. Alexander 
ad. & her. Smith [P.]. 
ec. Many spec.: ad., N, Zealand. Keely Expe- (Types.) 
her., & yg. dition. 
d, Ye. White Island. Colonial Museum of New 
Zealand. (Type of Norbea 
asolata. ) 
e-g. Ad. —? 
68. Lygosoma zeneum. 
Cyclodina enea, Girard, U.S. Explor. Exped., Herp, p. 236, pl. xxvi. 
figs. 9-16, ‘ 
The distance between the end of the snout and the fore limb is 
contained once and two thirds to twice in the distance between 
axilla and groin. Snout very short, obtuse. Lower eyelid with an 
undivided transparent disk. Nostril pierced in the centre of the 
nasal; no supranasal; frontonasal broader than long, forming a 
suture with the rostral and with the frontal; prefrontals small; 
frontal a little shorter than frontoparietals and interparietal together, 
in contact with the two anterior supraoculars ; four supraoculars ; 
seven supraciliaries ; frontoparictals distinct, as long as or a little 
longer than the interparietal; parietals in contact behind the inter- 
parietal; a pair of nuchals and a pair of temporals border the 
parietals. Ear-opening roundish, hardly as large as the transparent 
palpebral disk. 26 or 28 scales round the body; dorsals largest 
and more or less distinctly striated. Preeanal scales not or scarcely 
enlarged. Limbs short, widely separated when sues Digits 
r 
