'ih 



144 MR. H. ADAMS ON NEW SPECIES OF SHELLS. [April 9, 



2. Physa (Ameria) truncata, H. Adams. 



P. testa truncato-ovali, pellucida, fragili, pallido-fusca ; spira 

 truncata ; anfractibus 3, valde carinatis ; apertura subovali, 

 peritremate continuo ; plica columellari obsoleta. 



Shell truncate-ovate, translucent, fragile, pale brown ; spire trun- 

 cate ; whorls three, strongly keeled ; aperture subovate, peritreme 

 continuous ; columellar plait obsolete. 



Long. 4, diam. 2^ lin. 



Eab. Calliope Eiver, Australia. 



3. Physa (Ameria) obesa, H. Adams. 



P. testa truncato-ovata, brevi, tenui, fusca ; spira brevissima ; 

 anfractibus 3, postice carinatis et planatis ; apertura subovali, 

 lata, peritremate continuo ; plica columellari obsoleta. 



Shell truncate-ovate, short, thin, brown ; spire very short ; whorls 

 three, keeled and flattened posteriorly ; aperture suboval, wide, peri- 

 treme continuous ; columella fold indistinct. 



Long. 3|^, diam. 2^ lin. 



Hab. Fitzroy River, Australia. 



4. Physa (Ameria) cumingii, H. Adams. 



P. testa ovali, tenui, pallido-fusca ; spira brevi, anfractibus 4, 

 postice angulatis et planatis ; apertura subovata, peritremate 

 continuo ; plica columellari mediocri. 



Shell ovate, thin, light brown ; spire short ; whorls four, angu- 

 lated and flattened at the posterior part ; aperture subovate, peri- 

 treme continuous ; columellar plait moderate. 



Long. 8, diam. 5;^ lin. 



Hab. Port Essington, Australia ; New Zealand. 



5. Physa (Ameria) mcesta, H. Adams. 



P. testa oblique ovali, tenui, olivaceo-fusca ; spira mediocri ; an- 

 fractibus 5, postice carinatis et planatis ; apertura ovali, plica 

 columellari conspicua. 



Shell obliquely ovate, thin, olive-brown ; spire moderate ; whorls 

 five, carinated and flattened posteriorly ; aperture oval, columellar 

 plait distinct. 



Long. 7, diam. 5^ lin. 



Hab. New Zealand. 



Genus Physopsis, Krauss. 



Physopsis jukesii, H. Adams. 



P. testa subfflobosa, tenui, albida; spira brevi, obtusa; anfrac- 

 tibus 4, convexis ; apertura subovali, peritremate continuo ; 

 columella recte truncata. 



Shell subglobose, thin, white ; spire short, obtuse.; whorls four. 



