242 



REPORT 1868. 



Name of Species. 



Remarks as to distribution 

 arid synonymy. 



Capulus Hungaricus, L 



Scissurella crispata, Fleming 



Cyclostrema nitens, Ph 



serpuloi'des, Mont. 



Trochus helicinus, Fabr 



Grcenlandicus, Ch. . . . 



famabilis, Jeffr 



magus, L 



tumidus, Mont 



cinerarius, Z 



Montacuti, W. Wood 



millegranus, Ph 



zizyphinus, L 



occidentalis, Mighels 



Lacuna crassior, Mont 



divaricatus, Fabr. . . . 



puteolus, Turt 



pallidula, Da C. 



Littorina obtusata, L 



neritoides, L. 

 rudis, Maton 



litorea, L. 



Rissoa reticulata, Mont. . . . 



cimicoides, Forb 



t Jeffreys!, Waller . . . 



punctura, Mont. . . . 



abyssicola, Forb. . . . 



Zetlandica, Mont. . 



costata, Adams . . . 



parva, Da C. 



mconspicua, Aid. . . . 

 falbella, Lov 



membranacea, Ad. . 



violacea, Desmarets 



striata, Ad 



proxima, Aid. 



vitrea, Mont 



soluta, Ph 



semistriata, Mont. . 



cingillus, Mont. . . . 



Hydrobia ulvae, Penn 



Jefeeysia diaphana, Aid. . 



opalina, Jeffr. . . . 



,globularis, Jeffr. . 



Skenea planorbis, Fabr. . . . 



Ilomalogyra atomus, Ph. . 



rota, F.$H.. 



Caecum glabrum, Mont. . . . 



S. aspera, Ph., appears to be the 

 southern form or variety. 



The southern form is the variety 

 variegata. 



Probably arctic. 

 Gulf of Gascony. 

 Corunna and Vigo (M' Andrew). 

 Arcachon (Fischer). 

 North of Spain, and Vigo ; the Me- 

 diterranean localities are doubtful. 



Corunna and Lisbon (M'Andrew) ; 



Algiers (J. W. Flower) ; Adriatic 



(Brusina). 

 Corunna and Lisbon (M 'Andrew) ; 



the Mediterranean and Adriatic 



localities are doubtful. 



Gulf of Gascony (Marquis de Fo- 

 lin)! 



Shetland, fide Barlee. 



Adriatic, as R. Oenensis (Brusina). 



Shetland, fide Fleming. 

 Shetland, fide Barlee. 

 Turbo stagnates, L. 



