460 PHILOMYCIDJ;. 



median projection, though sometimes bUmtly prominent. Extremi- 

 ties attenuated. The whole anterior surface covered with converg- 

 ing vertical stria? and arched striae. 



Lingual nicnibrane with one hundred and fifteen rows of one 

 hundred and thirteen tcetli each (56-1-56) ; centrals conical, sur- 

 mounted by a sharper point ; laterals of the same shape, l)ut nar- 

 rower, becoming modified into bicuspid and papilloe-likc uncini. 



Of the syuonymes 1 have quoted, Llmax togata is said by Gould 

 (Otia, 182) to be identical ; and Liinax marmoraius of De Kay I 

 have ascertained to be the same from the correspondence of my 

 father with Dr. Newcomb. 



Tebennophorus dorsalis. 



Body cylindrical and narrow, terminating posteriorly in an acntc point; mantle 

 closely connected with the body ; base of loot very narrow, its separation Irom 

 the body not well defined. 



Philomycns dorsalis, Binney, Bost. Jouvn. Nat. Hist. iv. 174 (1842) ; Tror. Bost. Soc. N. 



II. 1841, 52. — Ad.vms, Vermont Moll. 1G3 (1842). — Gkay and Pfeiffek, Brit. 



Mus. Cat. 159. 

 Limax dorsalis, De K.w, N. Y. Moll. 22 (184.3). 

 Tebennophorus dorsalis, Binney, Terr. Moll. ii. 24, pi. G3, fig. 3 (1851). — W. G. Binney, 



Terr. Moll. iv. 31. 

 PaWfvra dorsalis, Morse, Journ. Bortl. Soc. i. 8, fig. 5 ; pi. 3, fig. G (18G4). 



Color of upper surface ashy, with a shade of blue, an interrupted 



black line extending down the centre of the back ; eye-peduncles 



black, al)0ut one eighth of the length of the body ; 



^^^^_ - tentacles l)lackish, very short. Body cylindrical 

 ■^^^^^^ and narrow, terminating posteriorly in an acute 

 ^ ''"""'"■ point ; base of foot white, very narrow, its separa- 

 tion from the body not well defined. Upper surface covered with 

 elongated and slightly prominent glandular projections, the furrows 

 between indistinct. Respiratory orifice very minute, situated on 

 the right side, about one eighth of an inch behind the insertion of 

 the eye-peduncle. Tlie mantle is closely connected with the body. 

 Length, eighteen millimetres. ^ 



Vermont and Massachusetts. 



This animal is found in woods and forests, in the soil under de- 

 caying trunks and logs. It is lultricated l»y a watery mucus, which 

 is not secreted in quantity sufficient to preserve its life when re- 

 moved from its native haunts and exposed to the air. It is even 

 difficult to preserve it long enough for examination, as it becomes 



