450 G. A. BOULENGER 



2. Emydura subglobosa 



Euchelymys subglobosa, Krefft, Ann. Mus. Civ. Genova, Viii, 1876, p. 390; 

 Peters et Doria, op. cit. Xiii, 1878. p. 328. 



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

 oval, rugose, with a linear vertebral groove ; nuchal shield well 

 developed. Plastron three times as long as the width of the 

 bridge, front lobe broadly truncate anteriorly ; intergular shield 

 large, a little longer than broad, much larger than the gulars. 

 A pair of small barbels. Brown above , yellow inferiorly ; soft 

 parts brown ; a yellow band from the end of the snout to above 

 the ear, passing through the eye; a yellow band on the upper 

 jaw and another on the lower. 



Naiabui, S. E. New Guinea (L. M. D'Albertis). 



3. Emydura novae-guineae. 



Platemys novae-guineae, Meyer, Mon. Beri. Ac. 1874, p. 128. 



Shell depressed , twice and three fourths as long as deep ; 

 carapace keeled, posterior margin expanded and serrated; nuchal 

 shield well developed. Plastral lobes narrow ; the width of the 

 bridge contained thrice and one fourth in the length of the pla- 

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

 much smaller than the gulars. A pair of small barbels; temples 

 and upper surface of neck with enlarged, round or subconical 

 tubercles. Shell and soft parts brown above and yellowish infe- 

 riorly; a small blackish spot on each vertebral and costal shield. 



Passim, N. W. New Guinea (Meyer); Katow (L. M. D'Albertis). 



2. OhelodLina , Fitz. 



1. Chelodina novae-guineae, sp. n. 



Carapace as in C. longicollis. Plastron intermediate in size 

 between that of the latter species and that of C. expansa; front 

 lobe a little wider than hind lobe and considerably shorter and 

 narrower than the corresponding half of the carapace ; the 

 width of the plastron without the bridge is a little more than 

 half its length ; the largest plastral shield is the intergular , 



