1892.] 



THE BRITISH NATURALIST. 



179 



D. 



verus, D, and M. 





CCildllLloj JlJ yi Ti^. 



A 



0. . 



IIIctUILloj 1 1 Ci/Ct/ • 



c. 



Ua.IIIU.U-U.UI od, llbj JTl ICCloOll 



f 



KrynicKii, ixcii., lo^i. 





joiinsLoni, ivioq. 





ornaius, ivioq. 



11 . 



ciiicveus, iVioQ. 





ODbCUluS, lYlOQ. 



J- 



iclUbbdClj IVlUu. 



L- 

 il . 



IdbCldLUb, IVluU. 



1 



i. 



rufescens, Moq. 



III. 



lllUilt;ri, IviOiJ, 



XI • 



lUCLUObUb, IVIOO, 



0. 



maculatus, Picard. 



P- 



strobelli, Pini. 



q- 



cinereo-niger, Wolf. 



15 Limax tenelLus, Nils. 

 Subg. — Lehmannia, Heyn. 



16 Limax variegatus, D/^a^. 

 = L. flavus, Auctt. 



a. lineolatus, Cllge. 



h. maculatus, /ic?/. 



c. virescens, Moq. 



d. rufescens, Mory. 



e. colubrinus, Pini. 



f. suffusus. Roebuck. 



g. griseus, Roebuck. 



17 Limax marginatus, ilf 1774 

 = L. arborum, j5. C/?., 1838. 



a. nemorosus, Baud. 



b. decipiens, Ckll, 



c. rupicolus, L. and P. 



d. pallens, L. ajtd P. 



e. alpestris, L. and P. 

 {. fulva. Norm. 



g. maculatus, Roebuck. 



h. bettonii, Sordelli. 



Genus, — Agriolimax, Malui. 



18 Agr. agrestis, L. 



a. griseus, Ckll. 



b. rufescens, L. and P. 



c. sylvaticus, Moq. 



d. lilacinus, Moq. 



e. reticulatus, Moq. 



f. tristis, Moq. 



g. obscurus, Moq. 



h. nigra, Movelet. 



i. punctatus, Picard, 

 j. albidus, Picard. 



19 Agr laevis, Milller. 



a. maculatus, Ckll. 



Genus. — Amalia, Moq., 



Pirainea section, Poll. 



20 Amalia gagates, Drap. 



a. plumbea, Moq. 



b. olivacea, Moq. 



c. rava, Wilms. 

 Tandoma section. Poll. 



21 Amalia sowerbyi, Fev. 



= A. marginata, Brit. Auctt. 



a. bicolor, Ckll. 



b. nigrescens, Ckll. 



Notes. 



The Genus Rissoa (cont.) — Sub-genus Ciugula, Fleming.— -The 

 name of this group stands well established, chiefly on the authority of 

 Dr. Gray in 1847, though it was proposed originally for certain Rissoas 

 by Fleming as far l)ack as 1828. The shells are all thin, orn mcnted 



