408 



HELICID^. 



delicate and arranged concentrically ; orifice of respiration very- 

 large at its hinder lateral portion. Foot with a narrow locomotive 

 disk. Length about four inches. 



L. maximus. 



A specimen of this common European slug was found in Newport, 

 R. I., in a garden, by Mr. Samuel Powel (1868). It is figured 

 above. This species has also been recently noticed in Philadelphia 

 by Mr. Tryon (" Am. Journ. Conch," iii. 315), and in Brooklyn, N. 

 Y., by Messrs. Sanderson Smith, and Prime. It is an introduced 

 species. Its rich brown or black stripes giving it a leopard-like ap- 

 pearance, and its great size at once distinguish it from any species 

 hitherto known to inhabit Eastern North America. 



Limax agrestis. 



Color varying from whitish to blaclv and yellowish to rather brown, sometimes 

 Irregularly spotted with black; body cylindrical, elongated, terminating acutely; 

 mantle oblong-oval, rounded at both extremities; foot narrow, base sallow- 

 white. 



Limax aqrestis, Li?rN.¥:ns, Syst. Nat. [x.] 1758, i. 652. — Moquin-Tandon, Reeve, &c. 

 — RiNNEY, Bost. Journ. Nat. Hist. iv. 166 (1842) ; Turr. Moll. ii. 37, pi. 64, fig. 2 

 (1851). — Leidy, Terr. Moll. U. S. i. 2.50, pi. 2, figs. 7-9 (1851), anat. — De Kay, 

 N. Y. Moll. 20, pi. 1, fig. 4 (1843). — Morse, Journ. Portl. Soc. i. 7, pi. 3, fig. 2 

 (1864). 



Limax tunicata, Gould, olim, Inv. 3 (1841). 



Color varying from wliitish through every shade of cinereous and 

 gray to black, and through various shades of yellowish, or amber 



color, to brownish, and some- 



Fiff 670. . . 



times irregularly spotted with 

 small, black points or dots ; eye- 

 peduncles darker than the gen- 

 eral surface, sometimes black ; 

 mantle sometimes mottled with a lighter color ; base of foot sallow- 

 white ; sheath of eye-peduncles indicated by black lines extending 



:s^^ 



L. agrestis. 



