301 Mr. Gray on the Slender-tongutd Saurians. 



* Scales over the orbits small, 



Hydrosaurus varius. Lac. varia, Shaw, Not. Hist. iv. t. S3. Tup. 

 variegatus, Daud, Hyd. variegatus, Wagler, Uaranua varius, Mer- 

 rcm . 



New Holland. 



Hydrosaurus marmoratus, Wiegmann, Acta Acad. Nat. Cur. xviii. 

 t. 14. Monitor marmoratus, Cuv, Reg, Anim, 



Manilla. 



** Scales over the orbits icith a scries of larger plates. 

 Hydrosaurus chlorostigtnus, Gray, Griffith Anim. Kingd. Dum. 

 and Bib. 



India. 



Hydrosaurus Gouldii, with two yellow streaks on the sides of the 

 neck ; scales over the orbits small, flat. 



New Holland. 



Hydrosaurus Bellii. Uaranus Bellii, Dum. and Bib. iii. 493. t. 35. 

 f. 1. 



HydrosaurusTimorensis. Monitor Timorensis, Gray, Griffith Anim. 

 Kingd. ix. 36. Tup. viridimaculatus, Daud. 



Timor. Mus. Paris. 



Hydrosaurus bivittatus, Wagler. Stellio salvator, Laur. Tup. bi- 

 vittatus, Kuhl. Uaranus vittatus, Lesson. Monitor elegans, Gray, 

 Zool. Journ. Seba/ii. t. 30. f. 2. cop. Shaw, Zool. t. 66. Monitor 

 Lizard. 



Young — Tupinambis exilis, Reeve. 



India. Java. 



Odatria, Gray. Nostrils subanterior ; teeth compressed, acute ; 

 tail round elongate, with rings of keeled subspinose scales, and with- 

 out any keel along its upper surface. 



Odatria punctata. Head, tail, and limbs black (perhaps disco- 

 loured), the limbs and base of the tail yellow dotted ; body brown, 

 black spotted, beneath yellowish, with darker cross bands. Body 

 and head 8, tail 1 6 inches long. The ventral shields are long and 

 narrow and perforated behind ; the shields of the head are flat, rather 

 unequal ; and those over the eyebrows small, rather granular and 

 equal ; those of the back are rather small ovate and surrounded 

 with a series of small granules ; the toes are rather strong and mode- 

 rate. 



Western Australia, Shark's Bay. 



[To be continued.] 



