319 



shield well developed. Plastron truncate or broadly rounded 

 anteriorly, more than three times as long as the width of the 

 bridge; intergular shield large, not quite twice so long as 

 broad. No barbels. Fore limbs with five, hind limbs with 

 four claws; digits entirely webbed. 



Coloration as in E. niacquarri; a yellow band between the 

 eye and the ear and another from the corner of the mouth 

 along the neck. Length of shell 250 mm. 



Habitat: New Guinea (Erima on Astrolabe Bay). — 

 Australia: Queensland, Burnett river, Rockhampton, PortBowen. 



3. Emydura albertisi Boulenger. 



Emydura albertisii^ Boulenger, Ann. Mus. Civ. Geneva (2) VI 1888, p. 449; 



Cat. Chel. 1889, p. 232. 

 Emydura albertisii^ Siebenrock, Zool. Jahrb. Suppl. X 1909, p. 584. 



Carapace oval, keeled in the male, convex and rugose in 

 the female, two times and a half as long as high; posterior 

 margin not or slightly serrated. Nuchal shield well developed. 

 Plastron obtusely pointed and somewhat narrower anteriorly; 

 intergular shield nearly twice as long as broad. No barbels. 

 Fore limbs with five, hind limbs with four claws; digits enti- 

 rely webbed. 



Carapace blackish-brown; plastron bright yellow; on the 

 bridge an olive band, bordered by brown; soft parts dark 

 brown; a yellow band beginning at the nostril, passing on the 

 upper eyelid to above the tympanum, two others on the upper 

 and lower jaw. Length of shell 160 mm. 



Habitat: New Guinea (Katow, Lorentz river!). 



4. Emydura subglobosa (Krefft). 



Euchelymys subglobosa^ Kreft't, Ann. Mus. Civ. Geneva VIII 1876, p. 390. 



Emydura subglobosa^ Boulenger, Cat. Chel. 1889, p. 232. 



Emydura subglobosa^ Siebenrock, Zool. Jahrb. Suppl. X 1909, p. 584. 



Carapace very convex, oval, with a linear vertebral groove, 

 a little more than twice as long as high; posterior margin 

 not or slightly serrated. Nuchal shield present, one time and 

 two thirds to two times and a half as long as broad (sometimes 

 absent); the dorsal shields rugose. Plastron broad anteriorly, 

 three times as long as the width of the bridge; intergular 

 shield large, larger than the gulars, one time and a third to 

 two times as long as broad. Two small barbels present. Fore 



