460 PHILOMYCID^. 



median projection, though sometimes bhmtlj prominent. Extremi- 

 ties attennated. The whole anterior surface covered with converg- 

 ing vertical stria3 and arched strise. 



Lingual membrane with one hundred and fifteen rows of one 

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

 mounted by a sharper point ; laterals of the same shape, but nar- 

 rower, becoming modified into bicuspid and papillce-like uncini. 



Of the synonymes 1 have quoted, Limax togata is said by Gould 

 (Otia, 182) to be identical ; and Limax inarmoratus of De Kay I 

 have ascertained to be the same from the correspondence of my 

 father with Dr. Nevvcomb. 



Tebennopliorus dorsalis. 



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

 closely connectetl with the body ; base of loot very narrow, its separation from 

 the body not well defuied. 



Plidomijcits dorsalis, Binney, Bost. Journ. Nat. Hist. iv. 174 (1842) ; Proo. Bost. Soc. N. 



H. 1841, 52. — Adams, VennoiU Moll. 163 (1842). — Gray and Pfeiffer, Brit. 



Mas. Cat. 1.59. 

 Limax dorsalis, De Kay, N. Y. Moll. 22 (184-5). 

 Teliennophoriis dorsalis, Bi^t;EY,Tiivr. Mull. ii. 24, pi. 63, fig. 3 (1851). — W. G. Binney, 



Terr. Moll. iv. 31. 

 Pallifera dorsalis, Morse, Journ. Portl. Soc. i. 8, fig. 5 ; pi. 3, fig. G (1864). 



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 blackish, very short. Body cylindrical 



•^ and narrow, terminating posteriorly in an acute 



T. dorsalis. , . 



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. The 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 lul)ricated by a watery mucus, which 

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

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

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



