CONOHOLOGIOAL WRITINGS. 65 



11. Philomycus fuscus. Entirely brown, tentacnla thick, back 

 smooth, tail compressed, acute. — In Ohio, on Amanita elliptica ; 

 length one f6urth of an inch. 



'12. Philomycus flexuolaris. EuItous, back Tariegated with 

 flexuose brown lines, slightly wrinkled transversally ; attenuated 

 behind, tail obtuse. — Length from one to two inches, it may change 

 its shape. Found on the Catskill mountains. There are many other 

 species of this genus in the United States. 



XVII. N. Qt. EuMELUS. Differs from Limax by no visible 

 mantle, the four tentacnla almost in one row in front and cylindrical, 

 nearly equal, the smallest pair between the larger ones. — Name 

 mythological. 



73. Eumelus 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. 



74. Eumelus lividus. Livid brown above, grgyish beneath, 

 antenna black, obtuse behind, back smooth and convex — Length 

 one inch ; in Ohio, Indiana and Kentucky. 



75. Limax 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 Jjimax. Tet it has 

 the two long tentacula inserted above the neck, while the small ones 

 are terminal, and all slightly club shaped. It may perhaps fdrm a 

 sub-genus Deroceras. Length over one inch. Found near Hen- 

 dersonville in Kentucky, and in woods. 



XVIII. N. G. Hemiloma. (Univalve land shell.) Spire raised 

 and smooth ; opening obliqual elliptic, with an interior raised half 

 margin on the inside lip, a Uttle twisted ; Columella decurrent on 

 thfe whorl obliquely and with a very small umbilicus. — The name 

 means half margin. 



76. 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. 



[11] 



77. Fleurocera verucosa. Ellipsoidal, top very obtuse, base of 

 the opening obtuse, inside lip thiekly plaited ; four spires, the two 



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