PLEUROCERA. 



113 



Fig. 213. 



Fig. 214. 



Habitat. — Niagara Falls, New York, St. Lawrence at Montreal ; 

 E. Billings, Esq. 



Diameter, •40; length, l-SC inches. 



Observations. — Many years since I found two specimens of this 

 species above the Falls, on the New Yoi'k side. They were accom- 

 panied with Melania {Trypano stoma) Kiagaren- 

 sis and subularis (nobis). I hesitated when I 

 described the above two, whether this was a 

 new species. There is no doul3t in my mind 

 now. It is nearest allied perhaps to Melania 

 {Tnjpanostoma) Sayi, "Ward, but it is a more 

 slender species and has a higher spire and more 

 whorls. The aperture is rather more than the 

 fourth of the length of the shell. — Lea. 



Fig. 213 is a copy of Mr. Lea's figure ; 

 the banded shell (fig. 214) is from an Ohio specimen named by 

 ]Mr. Anthony "J/, neglecta." — See remarks on that species. 



The '■^Melania Sayi, Ward " quoted above by Mr. Lea is doubt- 

 less intended to be Melania (Strombus) iSayi, Wood (Lidex Tes- 

 taceologlcus), as Dr. Ward never published a species under 

 that name. Mr. Lea has, however, entirely mistaken the char- 

 acters of this species, his shell being the neglecta of Anthon}', 

 while the true J/. Sayi is a caiialiculatian, as will appear by 

 reference to the Index Testaceologicus, Supplement, t. 4, f. 24. 



• 56. P. neglectum, Anthony. 



Melania neglecta, Anthony, Ann. Lye. N. Y., p. 128, t. 3, f. 29, March, 1854. Binney, 

 Check List, No. 173. Brot, List, p. 34. CrRRiKR, Shells of Grand River Val- 

 ley, Mich., 1859. Reeve, Monog. Melania, sp. 217. 



Description. — Shell conical, rather thin, light yellow; whorls ten, 

 upper ones nearly flat, with a slight ridge revolving just above the 

 suture. This ridge disappears as it approaches the penult whorl, but 

 two of them become visible on the last whorl, which is subangulate. 

 Sometimes the last whorl is encircled by two dark brown bands, of 

 which the uppermost is also visible throughout the upper whorls, 

 covering the ridge above mentioned ; sutures impressed ; aperture 

 ovate, of a delicate rosy hue within; outer lip waved; columella 

 nearly straight, twisted, roseately recurved into a deep sinus. 



L. F. W. 8. IV. 8 



