38 LIMACID^. 



mantle, with a furrow on each side. Superior tentacle 

 cjlindi'ical, about one-eighth of the length of the body, 

 with small, black, ocular points on the superior part of 

 the terminal bulb ; inferior tentacles immediately imder 

 the upper, very short. Respiratory foramen near the pos- 

 terior 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 distmct 

 longitudinal furrows. Generally about one inch in length, 

 but when fully grown nearly two inches. 



Geogkaphical Distribution. Inhabits the neigh- 

 borhood of Boston, New York, Philadelphia, and other 

 maritune cities. It will probably be found difiiised pretty 

 generally along the whole searboard, but has not yet pen- 

 etrated far into the interior of the country. We have 

 not noticed it at a greater distance than one hundred 

 miles from the coast. 



Remarks. It is undoubtedly of European origin. 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 consid- 

 erable number of individuals often congregate in the 

 same retreat. Their food appears to be the gi-een leaves 

 of succulent plants, and sometimes ripe fruits ; they feed 

 during the night, and are rarely found out of their re- 



