8. ELSETA. 235 



1. Elseya dentata. 



Chelvnivs dentata, Gruxj, Ann. ^- Mag. N. H. (4) xii. pp. 98 & 246 



(18G;3). 

 Podocuomis ? dentata, Sfrauch, Verth. Schihlkr. p. 104 (180o). 

 Elseya dentata, Gray, Ann. Sf M(i(j. N. 11. (4) xx. p. 44 (1807), and 



Suppl. p. 76 (1870), and App. p. 23 (1872), and Proc. Zool. Soc. 



1872, p. 51;}, fig. 5. 

 intermedia, Gray, App. p. 23, and Proc. Zool. Sac. 1872, p. 51 2. 



Carapace more or less depressed, keeled in the young ; posterior 

 margin strongly serrated in the young, feebly in the adult ; shields 

 nearly smooth. Plastron large, front lobe rounded or subaeu- 

 minate, hind lobe strongly notched ; the width of the bridge is 

 contained twice and two thirds to thrice in the length of the 

 plastron; intergular shield narrow, more than twice as long as 

 broad. Head rather large, with the skin closely adhering to the 

 skull ; snout prominent ; a pair of well-developed barbels ; the 

 width of tlie lower jaw at the symphysis equals the diameter of the 

 orbit ; upper surface of neck with small tubercles. Limbs very 

 broadly webbed, strongly fringed on the outer side ; anterior 

 surface of fore limb with several transverse lamellfc. Carapace dark 

 brown above, yellowish or brown inferiorly ; soft parts olive. 



Length of shell 27 centim. 



North Australia. 



a, b. Bgr. & jg., Upper Victoria Elver, N.W. J. E. Elsey,Esq. [P.]. 



shells. Australia. (Types.) 



c. 2 ) shell. Upper Victoria River, N.W. (Type of U. inter- 



Australia. media.) 



f/, e. J'ifchgr., spir. Gayudah. Museum Godeffi'oy. 



/. Ad., skel. Gayndah. Museum Godefiroy. 



