CONCHGLOGICAL WRITINGS. 65 
71. Philomycus fuscus. Entirely brown, tentacula thick, back 
smooth, tail compressed, acute.—In Ohio, on Amanita aifemines j 
lergth one fourth of an inch. 
12. Philomycus flexuolaris. Fulvous, back variegated with 
flexuose brown lines, slightly wrinkled transversally ; attenuated 
behind, tail obtuse. —Length from one to two inches, it may change 
its shape. Found onthe Catskill mountains. There are many other 
species of this genus in the United States. 
XVII. N. G. Eumetus. Differs from Limax by no visible 
mantle, the four tentacula almost in one row infront and cylindrical, 
nearly equal, the smallest pair between the larger ones.—Name 
mythological. 
73. EHumelus nebulosus. Body nearly cylindrical, rounded at 
both ends; back smooth, crowded with grey and fulvous spots inter- 
mixed of the same tinge, without spots beneath ; tentacula brown.— 
Length about one inch; in Ohio and Kentucky. 
14. Eumelus lividus. Livid brown above, greyish beneath, 
antenna black, obtuse behind, back smooth and convex.—Length 
one inch; in Ohio, Indiana and Kentucky. 
15. Limaxz gracilis. Body slender, head and lower tentacula 
fulvous, neck grey, upper tentacula brownish, mantle dark fulvous, 
back smooth brown, beneath dirty white ; tail brown, obtuse above, 
mucronate and acute beneath.—Probably a real Limax. Yet it has 
the two long tentacula inserted above the neck, while the small ones 
are terminal, and all slightly club shaped. It may perhaps form a 
sub-genus Deroceras. Length over one inch. Found near Hen- 
dersonyille in Kentucky, and in woods. 
XVIII. N. G. Hemiroma. (Univalve land shell.) Spire raised 
and smooth; opening obliqual elliptic, with an interior raised half 
margin on the inside lip, a little twisted; Columella decurrent on 
the whorl obliquely and with a very small umbilicus.—The name 
means half margin. 
16. Hemiloma ovata. Ovate, very obtuse, smooth, six spires, 
breadth two-thirds of the length.—Found near Lexington, in nearly 
a fossil state, by Mr. John D. Clifford; whitish, length three- 
sixteenth of an inch. . 
[1%] 
7. Pleurocera verucosa. FEllipsoidal, top very obtuse, base of 
the opening obtuse, inside lip thickly plaited ; four spires, the two 
0) 
