LIMAX. 61 



Subgenus EULIMAZ, Moq.-Tand. 



Shield with more or less distinct concentric striae ; wrinkles 

 none, or scarcely none. 



Liimas: flavus, Linn. — Color brownish, yellowish-brown, or ashy 

 brown, with oblong-oval uncolored spots, which have a longitudinal dis- 

 position ; mantle with rounded spots ; head, neck, and eye-peduncles blue, 

 semi-transparent ; tentacles white ; base of foot sallow white. Body when 

 extended cylindrical, elongated, terminating acutely with a short but 



Fig. 102. 



Limax fiavus. 



prominent keel ; upper part covered with long and narrow prominent 

 tubercles. Mantle ample, oval, rounded at both ends, with numerous very 

 fine concentrical strise. Sides paler, and without spots. Respiratory 

 foramen large, placed near the posterior lateral margin of the mantle and 

 cleft to the edge. Generative orifice indicated by a white spot a little 

 behind the eye-peduncle of the right side. Length, when fully extended, 

 usually about 75 mill. ; an individual kept in confinement with abundance 

 of food attained the length of nearly 125 mill., and several others that 

 of 200 mill. 



Limax flavus, Linn^us, Syst. Nat. [X], 1758, 1, p. 652 (not MiJLtER, 1774). 



— BiNNEY, Bost. Journ. Nat. Hist. IV, 164 (1842).— DeKay, N. Y. 



Moll. 21, pi. i, f. 5 (1843).— Gray and Pfeiffer, Reeve, &c. 

 Limax variegatus, Draparxaud, Tabl. Moll. 103 (1801). — Ferussac, 



Moquin-Tandon.— Binney, Terr. Moll. II, 34, pi. Ixv, f. 1 (1851).— 



Leidy, anatomy, T. M. I, 248, pi. i (1851). 



An introduced species, noticed hitherto in Massachusetts at 

 Boston and Cambridge ; in the cities of New York, Philadelphia, 

 and Baltimore ; in Virginia at Richmond ; and at the University 

 of Virginia, and at other cities. It is also found in Europe, 

 Syria, and Madeira. 



The contrast of colors, and the elegant arrangement of the 

 spots and lines, render this a beautiful species. The tubercles 



