187 



CMCmï, Fleming-. 



421. trachea, Montagu; 2, 3. 



422. glabrum, Montagu; 1, 2, 3. 



423. Armoricum, Folin; 2. 



424. spinosum, Folin; 3 (Cap- 



Breton, de Folin). 



TBUNCATELLA, Risse. 



425. truncatula, Draparuaud; 



1, 2, 3. 

 426? minuscula, Folin; 3 (Em- 



bouctiure de l'Adour, de 



Folin) . 

 427 ? Juîise, Folin ; 3 (Hendaye, 

 de Folin) . 



HYDROBIA, Hartmann. 



428. ulvse, Pennant; I, 2, 3. 



var, Barleeî , Jeffreys ; 1 , 



2,3. 



429. ventrosa,Montag'u/ezcw?a, 



Michaud); 1,2,3. 



ASSIMINEA, Leach. 



430. littorina, Dalle Chîaje; 3. 



431. Elise, Paladilhe; 3 (La Ro- 



clielle et embouchure de 

 l'Adour). 



var. interru2}ta, Adams; 1, 

 2, 



O 





i^ 



JEFFREYSIA, Aider. 



432. diaphana, Aider; 1, 2. 



433. opalina, Jeffreys; 2 (Ile 



Serk, Guernesey , Jef- 

 freys) . 



j 



BARLEEIA, Clark. 



434. rubra, Adams; \, % 3. 



RISSOA, Frémînville. 



435. parva, Da Costa; 1, 2, 3. 



436. înconspicua, Aider; 1,2,3. 



437. labiosa,Montag'u,(i'?2(?i^Jm- 



nacea, Adams); 1, 2, 3. 



438. nana, Philippi, (an R. do- 



liiim, Nyst?); 3. 



439. gemmula, Fischer; 3. 



440. vîolacea, Desmarets; 2, 3. 



var. Tufllabrwm, Forbea et 



Hanley; 1. 



441. lilacîna, Recluz; 1, 2. 



442. Guerini, Recluz; 1,2, 3. 



443. subcostulata , Schwartz, 



{costulata^ Aider , non 



Risso); 1, 2. 

 S. g. Alvanîa. 



444. strîatula, Montana; 1, 2, 3. 



445. lactea, Michaud; 1,2, 3, 



446. crenulata, Michaud, {can- 



cellata, Da Costa); 1, 2, 



3. 



447. calathus, Forbes et Han- 



ley;2, 3. 



r 



448. retîculata, Montag-u ; 2, 3. 



var. 5^iZ^^, Hanley; 2. 



449. cimicoides, Forbes; 2, 3. 



450. Jeîfreysî, Waller; 3. 

 45L punctura, Montag-u; 2, 3. 



452. abyssîcôla, Forbes; 3. 



453. Zetlandica, Montag-u, [cy- 



dosiomcUa, Reduz) ;1,2, 



3. 



454. costata.'Adaras, {exiffua, 



Michaud; 1, 2, 3. 

 s. g. Cingula. 



455. striata, Montagu, {yninM- 



tîssimaj Michaud); 1, 2, 



^ 3. 



