232 CHELYDIDiE. 



3. Emydura albertisii. 



Eniydura albertisii, Boulcng. Ann. Mus. Genova, (2) vi. p. 449 (1888). 



Carajiacc oval, obtusely keeled in tbc male, convex aud very 

 nigose in the female ; the depth of the shell contained twice and a 

 half in its length. Trent lobe of plastron obtusely acuminate. No 

 trace of barbels. Otherwise as in E. macquarice aud hnfftii. 

 Carapace blackish brown, ])lastron bright yellow ; an olive band on 

 the bridge bordered on each side by a more or less distinct festooned 

 brown baud ; soft parts dark brown ; a bright yellow band from the 

 nostrils to above the ear, passing on the upper eyelid ; a yellow 

 bund on the upper jaw and another on the lower. 



Length of shell IG centim. 



S.E.-New Guinea. 



4. Emydura subglobosa. 



Euchelymvs subglobosa, Krefft, Aiia. Mus. Genova, viii. p. 390 



(1876) ;' Peters Sf Dorln, Ann. Mus. Genova, xiii. p. 328 (1878). 

 Emydura subglobosa, Bouleng. Ann. Mus. Genova, (2) vi. p. 450 



(i888). 



Shell very convex, a little more than twice as long as deep, oval, 

 rugose, with a linear vertebral groove ; nuchal well developed. 

 Plastron three times as long as the vridth of the bridge, front lobe 

 broadly truncate anteriorly ; iutergular shield large, a little longer 

 than broad, much larger than the gulars. A pair of small barbels. 

 Brown above, yeUow inferiorly ; soft parts brown ; a yellow band 

 from the end of the snout to above the ear, passing through the eye ; 

 a yellow baud on the upper jaw and another on the lower. 



Length of shell 22 centim. 



S.E. jSTow Guinea. 



5. Emydura australis. 



Hj'draspis australis, Gray, in Grey, Trav. Atistr. ii. p. 445, pi. vi. 



(1841). 

 Chelymys macqiiaria, part., Gray, Cat. Tort. p. 42 (1844), and Sh. 



Kept. i. p. 57 (1855). 

 macquaria, Gray, App. Cat. Sh. Bept. p. 20 (1872). 



Shell convex, tcctiform, twice and one third as long as dec]), 

 expanded posteriorly ; nuchal well developed. Plastron not three 

 times as long as the width of the bridge, front lobe rounded ; iuter- 

 gular shield not twice as long as broad, larger than the gulars. No 

 barbels ; lower jaw very strong, its diameter at the symphj-sis con- 

 siderably greater than the diameter of the orbit. Dark brown 

 above, yellowish inferiorly. 



Length of shell 14 centim. 



f/. $,stffd. W.Australia? J. Gould, Esq. [P.]. (Type.) 



