188 



456. proxima, Aider; 2, 3. 



457. vitrea, Montagu; 1,2, 3. 



458. pulcherrima, Jeffreys ; 2, 



3. 



459. fulgida, Adams; 1, 2, 3. 



460. Alderi, Jeffreys; 1, 2, 3. 



461. semistriata, Montagu ; 1, 



2,3, 



462. cingillus, Montagu; 1, 2, 3. 



PLAGIOSTYLA, Fischer. 



463. Asturiana, Fischer; 3. 



FOSSARUS,Pliilippi. 



464. ambiguus, Linné; 3. 



465. costatus, Brocclii; 3. 



4 



var. clatJifata^ Philippi; 3. 



LACUNA, Turton. 



466. pallidula,Da Costa; 1,2,3. 



467. vincta, Montagu, {dwarî- 



cata, Fabricius); 1, 2, 3. 



468. crassior, Montagu; 1, 2. 



469. puteolus, Turton;!, 2, 3. 



LITTORINA, Férussac. 



470. littorea, Linné; 1, 2, 3. 



471. rudis, Maton; 1, 2, 3. 



var. saxatilis , Johnston ; 



1,2,3. 

 var. teiiébrosa , Montagu; 



2,3. 

 var. patula, Thorpe; 2. 



472. ol)tusata, Linné, [retusa 



Lamarck); 1, 2, 3. 



473. neritoides.Linné, {çœrules- 



cens, Lamarck); 1, 2. 3, 



HOMALOGYHA, Jeffreys. 



sîma, Forbes et Hanley); 

 1, 2. 

 475. rota,ForbesetHanIey;2, 3. 



SKENEA, Fleming. 



476. planorbis, Fabricius; 1, 2, 



3. 



ADEORBIS, S. Wood. 



477. subcarinatus , Montagu; 



1,2,3. 



SOLARIUM, Lamarck. 



478. conulus, Weinkauff, {l%- 



teum, Auct., non Lk.); 3 



(Guéthary). 

 470. fallaciosum, Tiberi, (sira- 



mîneîiM, Auct., non Lk.); 



3. 



LAMELLARIA, Montagu. 



480. perspîcua, Linné; 1, 2, 3. 



forma tentacuïata, Monta- 



g-u; 2. 



YELUTINA, Gray. 



48L capuloidea,Blainville, (7^- 



vigata, Pennant, no7i L.) ; 



1, 2, 3. 



NATICA, Lamarck. 



482. monilifera, Lamarck, {ca- 



tenay Da^ Costa); 1,2, 3. 



483. fusca, Blaînville, {sordida, 



Philippi, non Swainson); 



1,2, 3. 



484. Alderî, Forbes, {nitida, 



Auct., ^^07^ Donovan): Ij 

 2,3. 



474. atomus, Philippi, (nitidiS' j 485? Guillemîni, Payraudeau ; 



