NAPLES FAUNA IN WESTERN NEW YORK, PART 2 333 



Habitat. Genesee province ; Naples subprovince. Very common in 

 the soft shales and lime concretions in Ontario and Livingston counties 

 (Naples, Shurtleff s gully, Whetstone gully, Brigg's gully, Honeoye lake) ; 

 Havana, Schuyler co. ; also in the Styliola limestone, Canandaigua lake and 

 Middlesex, Yates co. 



Loxonema multiplicatum sp. nov. 



Plate 18, fig. 14 



Shell large, suture transverse and deeply impressed, nine whorls visible 

 on a nearly entire specimen. These are subequally convex and are covered 

 with numerous sharp, vertical (concentric) simple ridges, from 20 in number 

 on the early whorls to 40 to 45 on the final volution. These are nearly 

 direct or vertical on the early whorls, but later show a broad recurvature 

 toward the suture and corresponding ecurvature toward the base of the 

 whorl. The ridges remain simple over all the whorls. 



Dimensions. Length of an entire specimen (nine whorls) 50 mm ; 

 width at base 16 mm. 



Habitat. Genesee province ; Chautauqua subprovince. In the soft 

 shales on the banks of the Genesee river at the foot of the upper Portage 

 falls. 



Loxonema danai sp. nov. 



Plate 18, fig. 11-13 



Shell of larger proportions than L. n o e, terete, bearing at full growth 

 13 whorls, the surface of which is gently convex. Suture deeply impressed 

 and less oblique than in L. n o e. Surface almost smooth throughout, only 

 traces of obsolescent vertical striae being visible over the later whorls. 

 Aperture oblique or subcircular, lips not thickened. 



Dimensions. A normal adult is 26 mm long and 7 mm wide at the 

 base. 



Habitat. Genesee province ; Chautauqua subprovince. Very common 

 in the soft shales at Walnut creek and Terry's ravine, Forestville. 



