ADAMS: CONCHOLOGICAL NO! ES FROM CHILE AND BRAZIT.. 35I 



IJltoridi?ui cuiiosa Preston, sp. nov. - Port Famine. 



Z. lioneli Preston, sp. nov. - - Port Famine. 



L. famiiiensis Preston, sp. nov. - Port P'amine. 



Z. afigustiariiin Preston, sp. nov. - Port Famine. 



Prisogaster niger Gray - - - Pisagua. 



Clilorostoma atruin Lesson - - Pisagua. 



Acincza ceciliana d'Orbigny - - Pisagua. 



A. viridula Lk., \ar. - - - Pisagua. 



Chiton cumingil Fremb. - - - Pisagua. 



Cyreiia sp. ? (dead valves only) - Rio Grande do Sul. 



The Port Famine mud also contained a number of odd valves of 

 various Pelecypods, but all in too poor condition to be of any use for 

 purpose of identification. 



'J'he following are the descriptions of the new species : — 



Astyris caletse sp. nov. - 



Shell somewhat radiiform, solid, reddish-chestnut flecked and 

 transversely banded, especially on the last whorl below the peri- 

 phery, wnth yellow ; whorls seven, regularly increasing, the first 

 six smooth, but for indistinct transverse growth lines, the last 

 bearing a number of revolving lirje at the base ; suture impressed, 

 very narrowly margined with white below ; columella slightly 

 callously thickened, bearing about six weak plaits ; labrum thick- 

 ened, of a darker chestnut colour than the remainder of the shell, 

 broadly and shallowly notched above, bearing five pinkish den- 

 ticles on the inner margin ; aperture subrectangular ; canal short 

 and somewhat broad. 



Alt., 8"5 mm. ; diam. maj., 4'5 mm. ; diam. min., 375 mm. 



Aperture: Alt., 4*25 mm. ; diam., 175 mm. 



Hab. : Caleta Buena, Chile (Lionel E. Adams). 



Astyris lioneli sp. nov. — 



Sliell allied to A. caktce. Preston, but differing from that species 

 in its much smaller size and narrower form, and in having one 

 whorl less ; it has but three weak plaits on the columella, and the 

 labrum is quite destitute of denticulation within. 



Alt., 6'5 mm. ; diam. maj., 3"5 mm. ; diam. min., 275 mm. 



Aperture: Alt., 3"25 mm. ; diam., 1-25 mm. 



Hab. : Caleta Buena, Chile (Lionel E. Adams). 



Littoridina limosa sp. nov. — 



Shell small, subulate, with slightly obtuse apex, reddish-horn 

 colour; whorls six, regularly increasing, flattened, smooth ; suture 



