55 



Genus Murchisonia, De Verneuil et D'Archiac. 



M. GRACILIS, Hall. — Gamache Bay, Cape Sand-Top and other localities 

 in Divs. 1, 2, A. G . Also in H. R. 



M. GiGANTEA, B., Rep. 1857, p. 298.— Prinsta Bay; Div. 1, A. G. 



M. TERETiFOEMis, B., op. cit., p. 298. — Gamache Bay , Div. 1, A. G. 

 Also in H. R. This species has a wide flat band about the middle of the 

 whorl and appears to be a large variety of M. bellicincta, Hall. 



M. VENTRicosA, Hall. — Gamache Bay ; Div. 1, A. G. Also in H. R. 



M. TURRICULA, B., op. cit., p. 301.— The Jumpers ; Div. 4, A. G. 



M. PAPILLOSA, B., op. cit., p. 301. — Gamache Bay ; Div. 1. A. G. 



M. FUN ATA., n. sp. — The casts of the interior have about eight uniformly 

 ventricose whorls. Length 21 lines ; width of body whorl 8 lines. This 

 species is larger than 31. gracilis and smaller and more gradually tapermg 

 than M. bellicincta. There are obscure indications on one specimen of 

 revolving striae. The Jumpers ; Div. 4, A. G. 



M. RUGOSA, B., op. cit., p. 299. — Gamache Bay ; Div. 1, A. G. Also 

 in H. R. 



Genus LoxoNEMA, Philhps. 



L. ACULEATA. — Shell small, very slender consisting of about ten moder- 

 ately and uniformly ventricose whorls. Length of a specimen of eight 

 whorls 13 lines ; width of the body whorl 3i lines. Near Challoupe River ; 

 Div. 3, A. G., J. Richardson. 



Genus Cyclonema, Hall. 



C. Thalia, B., op. cit., p. 303 = Pleurotomaria Thalia. — Gamache 

 Bay ; Div. 1, A. G. Also in H. R. 



C. Percingulata, B., op. cit., p. 304. — South-west Point ; Div. 4, 

 A. G. 



C. varians, B., op. cit., p. 305. — South-west Point ; Div. 4. A. G. 



C. COMMUNIS, n. sp. — Cast of the interior depressed turbinate, consisting 

 of three ventricose whorls with a deep suture, the lower outer side of the 

 whorls projecting or more convex than the upper part. Umbilicus about 

 one-fourth of the whole width (sometimes a little less). Apical angle about 

 11 0'^- Width of the base 15 lines ; height of spire about 12 lines ; width 

 of last whorl 9 lines. The Jumpers ; Div. 4, A. G. J. Richardson. 



C. BELLULA, n. sp. — Shell small, conical, consisting of three ventricose 

 whorls which are most prominent in the basal half or two-thirds of their 



