178 



THE BRITISH NATURALIST, [September 



A CATALOGUE OF THE SLUGS OF THE 



BRITISH ISLES. 



Family.— ARIONID^. 



Sub-family. — Arionin^. 

 Genus. — Arion, F^r. 



1 Arion empiricorum, Fer., 



1819. 



= A. ater, Brit. Auctt. 



a. fasciatus, Ckll. 



b. elineolatus, Ckll. 



c. swammerdamii, Kal.^ 



1851. 

 = marginatus, Moq. 



d. razoumowskii, Kal., 



1851. 

 =^ nigrescens, Moq. 



e. albus, Fer. 



f. rufus, L . 



g. hibernus, Mab. 



h. bicolor, Moq. 



i\ pallescens, Moq. 

 j. albolateralis, Roebuck. 

 k. reticuuitjts, Roebuck. 

 1. bocdgci, Simroth. 



2 Arion lusitanicus, Mahille. 



3 Arion subfuscus, Dm p. 



a. succineus, Bouill. 



b. griseus, Cllge. 



c. lateritius, Cllge. 



d. brunnea, Lelim. 



e. aurantiacus, Loc. 



4 Arion cottianus, Polloneva. 



5 Arion intermedius, Normand, 



1852. 



^A- minimus, Simvoth. 



6 Arion hortensis, Fev. 



a. cseruleus, Cllge. 



b. rufescens, Moq. 



c. niger, Moq. 



d. griseus, Moq. 



e. fasciatus, Moq. 



f. subfuscus, C. Pfv. 



7 Arion celticus, PoUonera. 



8 Arion ambiguus, PoUonera. 



a. armoricana, Poll. 



9 Arion circumscriptus, Johnst. 



=^A. bourgiugnati, Mahille. 



a. flavescens, Cllge. 



b. neustriacus, Mahille. 



Genus. — Geomalacus, Allman. 



10 Geomalacus malculosus, 



A II in . 



Family. -TESTACELLID^. 

 Genus.- Testacrlla, Cuvier. 



11 Testacella haliotidea, Cvvier. 



12 Testacella scutulum, Shy. 



a. pillida, Ckll. 



13 Testacella maugei, Fer. 



a. viridans, Morelct. 



Family.— LIMACID.'E. 



Sub-family. — Limacin^e. 

 Genus. — Lininx, L. 

 S u 1 ) - g e n u s . - H E Y N E m a n n i a , Malm. 



14 Limax maximus, L. 



a, marmoratus, Ckli. 



