135 Bulletin 13 13 



one-third the width in P. etna. 



Locality. — Not coninion in the secftion. The large specimen 

 (figs. 1,2) was found in VI 2, the smaller ones in \ 2. 



Pleurotomaria floridensis, n. s., Pi. 15, fig. 12 



Shell small, conical, apical angle 44° ; volutions five, trape- 

 zoidal in section; surface of volution slightly rounded; outer lip 

 parallel to the surface of the upper whorls. Umbilicus minute. 

 Total height of shell 4 mm. diameter at base 3mm. 



This species differs from P. beekmancnsis, Whitfield*, in its 

 smaller size, smaller umbilicus, more acute apical angle, and in 

 the surface of the volutions, which are sloping in P. bcckmanensis 

 and rounded in this species. 



Locality, — Found near the top of V 2. A rare fossil at Ft. 

 Hunter, Florida township, N. Y. 



HO LOPE A Hall 



Holopea turgida, Hall, PI. 17, fig. 14 



Pal. N. Y., vol. I, p. 12, pi. 3. 



Bull. A. M. N. H., vol. 2, p. 50, pi. 9, figs. 3-7. 



A single imperfect specimen preserving two whorls answers 

 the de.scription given by Hall: "Depressed — conical; whorls 

 about four, subangular, rapidly increasing from apex; last whorl 

 very large, ventricose, expanded; height and greatest breadth 

 about equal." 



Size, 14 mm. in diameter. 



Localities. — Reported by Hall from Saratoga Co., N. Y., b)^ 

 Prof. H. M. Seely from Beekmantown, N. Y. A single speci- 

 men was found at Ft. Hunter. 



RAPHLSTOMA Hall 



Raphistoma obtusa, n. s., PI. 15, figs. 7, 8, 9 



Shell of medium size, much compressed, convex above; volu- 

 tions three, the upper surface more compressed than the lower; 



*A. M. N. H. Bull., vol. 2, pi. 8, p. 53. 



