8. LY@osoma. 
251 
a. Ad. Luzon. Dr, A. B. Meyer [C.]. 
b,c. Ad. Negros, Dr. A. B. Meyer [C.}. 
d, Ad. Dinagat Island. A. Everett, Esq. [C.]. 
e. Ad, Zebu, Philippines. H.MLS, ‘ Challenger.’ 
f. Ad. Ternate. H.M.S, ‘ Challenger,’ 
g-h. Ad. Misol. 
wk, Ad. N. Ceram, 
in. Ad. Molucca, Leyden Museum. 
o, Ad. Timor Laut. H. O. Forbes, Esq. [C.]. 
p. Ad, Pelew Islands. G. L. King, Esq. [P.]. 
g. Ad. Wild I., Admiralty Islands, H.M.S. ‘ Challenger.’ 
vr Ad. Duke of York Island. Rey. G. Brown [C.]. 
8,t. Many spec. Treasury I., Solomon Islands. H., B. Guppy, Esq. [P.]. 
35. Lygosoma olivaceum. 
Dasia olivacea, Gray, Cat. p. 108. 
Tiliqua grisea, Gray, Jc, p. 110. 
Dasia olivacea, Gray, Ann. N. H. ii. 1838, p. 331. 
gy a ernestii, Dum. § Bibr. v. p. 696; Cantor, Cat. Mal. Rept. 
p. 47. 
— olivaceus, Giinth. Rept. Brit. Ind. p. 80, pl. x. fig.p; Theob, 
Cat. Rept. Brit. Ind. p. 51. 
—— (Tiliqua) semicinctus, Peters, Mon. Berl. Ac. 1867, p. 21. 
Tiliqua olivacea, Stolkiczka, Journ, As, Soc. Beng, xxxix. 1870, p, 172. 
Habit lacertiform ; the distance between the end of the snout and 
the fore limb is contained once and one fifth to once and ahalf in the 
distance between axilla and groin. Snout rather elongate, obtusely 
acuminate, much depressed. Lower eyelid scaly. Nostril pierced 
in the middle of a small nasal; a supranasal, rarely in contact with 
its fellow; frontonasal broader than long, usually in contact with 
the rostral, and frequently also with the frontal; latter as long as 
‘ or a little longer than the frontoparietals and parietals together, in 
contact with the first and second, or first, second, and third supra- 
oculars; four supraoculars, subequal in length; seven or eight 
supraciliaries, first largest ; frontoparietals and interparietal distinct, 
latter as large as or a little smaller than former, and entirely sepa- 
rating the parietals ; a pair of nuchals ; four labials anterior to the 
subocular, ar-opening very small. 28 or 3U scales round the 
middle of the body ; the-dorsals and laterals with three to nine more 
or less strong keels ; nuchal scales smooth or indistinctly keeled ; 
dorsals a little larger than ventrals. Preanals not enlarged. ‘The 
adpressed limbs feebly overlap, the hind limb never reaching beyond 
the wrist. Digits moderately elongate, with strong sharp claws, 
the basal phalanges cyclotetragonal, the distal strongly compressed ; 
subdigital lamelle smooth, 17 to 20 under the fourth toe. ‘ail 
about once and one third the length of head and body. Young with 
transverse.dark brown bands separated by narrow pale olive inter- 
spaces, Adult olive or olive-brown above, with more or leas regular 
transverse series of pale, dark-edged spots or traces of dark cross 
bands; a more or less distinct pale dorso-lateral band on the 
