454 A MANUAL OF AMERICAN LAND SHELLS. 



tudinal Hues or shallow furrows, darker than the general surface, 

 sometimes black, anastomosiug with each other, and forming a sort of 

 network ; between the reticulated lines are narrow, irregular, oblong 

 plates, or smooth, flattened tubercles, giving the surface the appear- 

 ance of a mosaic work, with lineS of dark cement; reticulations less 

 distinct on the sides and disappearing towards the base ; a prominent 

 tubercular ridge extends from between the eye-peduncles backward to 

 the mantle, with a furrow on each side. Eye-peduncles cylindrical, 

 about one-eighth the length of the body, with small, black, ocular 

 points on the superior part of the terminal bulb; tentacles immediately 

 under, very short. Respiratory foramen near the posterior lateral 

 edge of the mantle, large, surrounded with a whitish border. Orifice 

 of rectum immediately adjacent, but a little above and anterior to the 

 respiratory foramen. Foot narrow ; locomotive band bounded by two 

 distinct longitudinal furrows. 

 Generally about 25'^'" in length, but when fully grown nearly SO*""^. 



Limax agrestis, LiNNiEUS, Syet. Nat. [x], 1758, i, 652. — Moquin-Tandon, Reeve 

 &c.— BiNNEY, Bost. Journ. Nat. Hist., iv. 166 (1842); Terr. Moll., ii, 37, pi! 

 Ixiv.fig. 2 (1851).— Leidy, Terr. Moll., i, 250, pi. ii, figs. 7-9 (1851), auat.— 

 De Kay, N.Y. Moll., 20, pi. i, fig. 4 (1843).— Tryon, Am. Journ. Concb., hi, 

 315(1868).— W. G. BiNNEY, L. & Fr.-W. Sh. N. A., i, 64 (1869); Terr. Moll.^ 

 V, 146. — Gould and Binney, Inv. of Mass.,ed. 2, 408 (1870). — Morse, Jouru. 

 Portl. Soc, i, 7, fig. 1, pi. iii, fig. 2 (1864). 



lAmax tunicata, Gould, olim. Invert. 3 (1841). 



It is undoubtedly of European origin. Inhabiting Boston, New 

 York, Philadelphia, and other maritime cities of the Atlantic coast; 

 also in Greenland.* It is common in the neighborhood of Boston, 

 under stones at road-sides and about stables and farm-yards, and in 

 other moist situations, under wet and decaying pieces of wood. It is 

 also found in cellars and gardens, and causes some mischief by its 

 depredations. A considerable number of individuals often congregate 

 in the same retreat. Their food appears to be the green leaves of 

 succulent plants, and sometimes ripe fruits ; they feed during the 

 night, and are rarely found out of their retreats in the daytime. Their 

 growth is rapid, the animal excluded from the egg in the spring ar- 

 riving at full maturity and producing eggs before the succeeding 

 winter. They defend themselves from injurious contact by instantly 

 secreting, at the part touched, a quantity of milky-white, glutinous 

 mucus. They are active in their motions, and soon escape when dis- 



' Doubted by M6rcb,*Am. Jouru. Conch., IV, 37. 



i 



