7. EMYDttRA. 



233 



G. Emydura latistenmm. 



Elsova latistermim, Grai/, Ann. ^- Ma;/. X. II. (4) xx. p. 44 nsn7)> 

 in'idSuppL Cat. iSh. Itept. i. p. 77 (lyjO), and App. p. L'2 (lb72), «/«</ 

 7'/-oc. Zoo/. Soc. 1872, p. 511, pi. xxix. 



Euchelymys spinosa, Gray, Ann. ^- May. N. II. (5) viii. p. 118 

 (1871). 



Elseya spinosa, Gray, App. p. 23. 



Carapace very much depressed, keeled in the young, with a more 

 or less distinct vertebral groove in the adult ; posterior margin 

 more or less strongly serrated ; nuchal shield nortnally absent ; 

 dorsal shields sligbtly rugose. Plastron moderately large, frt)nt 

 lobe rounded, hind lobe angularly notched ; the width of tlie bridge 

 is contained three and a half to four times in the length of the 

 plastron ; intergular shield much larger than the gidars, once and 

 two thirds to twice as long as broad ; suture between the anals 

 much longer than that betAveen the abdominals. Head large, with 

 the skin closely adhering to the skull ; snout very prominent ; 

 interorbital space concave in the adult ; chin with a pair of well- 

 developed conical dermal appendages ; upper surface of neck with 

 large, erect, conical tiibercles. EroAvn above ; lower surface of 

 shell yellow or brownish ; a whitish baud may be present along 

 each side of the neck. 



Length of shell 24 ccutim. 



Queensland. 



a-h. Hgr., spir. Cape York. Museum Godeffroy. 



c. J,ppir. Gavndah. Museum Godeffroy. 



d. Ilgr., itffd. Burcett Eiver. G. Krefft, Esq. P. 



e. Hgr., spir. Burnett Eiver. G. Krefft, Esq. 

 /. 5 , stffd. Queensland, G. Krefft, Esq. 

 g. $ , stffd. Australia. (Type.) 

 /t. J, spir. Australia. G. Krefft, Esq. [P.] 



P. 

 P. 



i. Yg., skel. Australia. 



(Tj'pe of E. sjjinosa.) 



7. Emydura novse-guinese. 



Plateniys novaj-guiueae, Meyer, 3Ion. Berl. Ac. 1874, p. 128. 

 Emydura novte-guineae; Bouleny. Ann. Mus. Genova, (2) vi. p. 450 



(1888). 



Closely allied to the preceding, but nuchal shield well developed' 

 and plash-on smaller, with narrower front lobe ; the width of the 

 bridge is contained thrice and one fouith in the length of the 

 plastron ; intergular shield very narrow, thrice as long as broad, 

 much smaller than the gulars. Shell and soft parts brown above 

 and yellowish interiorly ; a small blackish spot on each vertebral 

 and costal shield. 



New Guinea. 



