212. AIPYSITRTJS. 305 



Head more or less regularly shielded, the shields granulate ; a 

 large frontal ; supraocular undivided ; one prae- and two postoeulars ; 

 second upper and lower labial extremely large, covering nearly the 

 whole upper and lower lip. Scales in 17 rows, rough with five or 

 more tubercles. Ventrals 135-144. Purplish brown or black, 

 some of the scales lighter or forming whitish annuli. 



Total length 800 millim. 



Loyalty Islands. 



3. Aipysurus IsBvis. 



Aipysurus laevis, LacSp. Ann. Mus. iv. 1804, pp. 197, 210, pi. Ivi 



fig. 3 ; GiiTith. Rcpt. Brit. Ind. p. 356 (1864). 

 Stephanohydra fusca, Tschudi, Arch.f. Nat. 1837, p. 331, pi. viii. ■ 



Oray, Cat. p. 60 (1849) ; QUnth. Cat. p. 272 (1868). 

 Hydrophis pelamidoides, part., Schleg. Phys. Serp. ii. p. 512 (1837). 



and Abbild. p. 116 (1844). ^ r t: \ i, 



Hypotropis jukesii, Gray, Ann. % Mag. N. H. xviii. 1846, p. 284, 



and in Jukes, Voy. Fly, ii. p. 383, pi. i. (1847). 

 Aipysurus fuliginosus, Bum. ^ Bihr. vii. p. 1327, pi. Izxvii. b. 



figs. 1 & 2 (1854) ; Fischer, Abh. Naturw. Hamb. iii. 1856, p. 33 ; 



Bavay, Mem. Soc. Linn. Norm. xv. no. 5, 1869, p. 33 ; Jan, Icon. 



GAi. 40, pi. i. fig. 3 (1872) ; Sauvage, Bull. Soc. Philom. (7) i! 



1877, p. 112. 



fuscus, Fischer, I. c. 



duboisii, Bavay, I. c. 



Eye shorter than its distance from the mouth. Head with 

 distinct shields above, which are more or less divided and often 

 very irregular ; rostral broader than deep ; frontal a little longer 

 than broad, often longitudinally bisected ; supraocular divided into 

 two ; one or two prae- and two or three postoculars ; eight to ten 

 upper labials, fourth, fifth, and sixth entering the eye if not broken 

 up ; chin-shields small or indistinct. Sales in 21 to 25 rows, 

 smooth, vertebrals often more or less enlarged. Ventrals 137-162. 

 Brown, uniform or with small darker spots. 



Total length 1720 millim. ; tail 170. 



Pacific Ocean, from Celebes to the Loyalty Islands. 



a. Ad., skin (V. 143). Arafura Sea. J. J. Walker, Esq. 



[P.]. 



b. 6 (V. 148). Kei Is. • Capt. Langen [P.]. 



c. cf (V. 146). New Guinea. Mrs. Stanley fP.]. 



d. 2 (.V. 151). Torres Straits. Mr. Comrie [0.]. 



e. 2 (V. 153). Baudin I. J. J. Walker, Esq. 



[P.]. 

 /. Yg. (V. 137). Rockhampton, Queens- Museum GodeBroy. 



land. 

 g. 2 , 'skin (V. 151). Darnley I. J. B. Jukes, Esq. [P.]. 



(Tvpe of Hypotropis jukesii.) 



A. cJ(V. 155). ? 



». Skull of ^. 



4. Aipysurus australis. 



Aipysurus fuscus {non Tschudi), Gunth. Rept. Brit. Ind. p. 358 

 (1864) ; Krefft, Sn. Austral, p. 91 (1869). 



VOL. in. X 



