1896.] NATURAL SCIENCES OF PHILADELPHIA. 439 



the largest Bulimuli described from the islands. They are, however, 

 thinner than any specimens of 5. mix, in this respect resembling B. 

 unifasdatus Sby. 



Bulimulus (Naesiotus) Darwini Pfeiffer. 



Bulimus Darwini^ix., P. Z. S., 1846, p. 29 (Gal. Ids). Mon. Hel., viv. ii, 

 p. 199, 1848; Reeve, Conch. Icon., pi. XXI, fig. 136 (Gal. Ids.), 1848. 



Bulimulus (Omphalostyfla) Darwini H. & A. Ad., Gen. Eec. Moll., II, p. 

 161, 1855; Wimmer, Sitzb. Akad. Wiss. Wien, Ixxx, p. 44, 1879. 



Bitlimulzis {Nesioles) Darwini Martens, in Albers, Heliceen, ed. ii, p. 220, 

 1860. 



Btdimulus {NcBsiotus) Darwini Pfr., Mon. Hel. viv. p. 254, 1881 ; Reibisch, 

 Isis, 1892, p. 10; Stearns, Proc. U. S. Nat. Mus., XVI, p. 427, 1893. 



Bulimus manini " Pfr." Carpenter, Rep. Brit. Assoc, 1856, p. 359 ; Stearns, 

 Proc. U. S. Nat. Mus., XVI, pp. 405, 427, 1893 (Err. typ.). 



Bindloe Island, Habel, fide Wimmer. 



The type specimen of this species has disappeared from the Cum- 

 ingian Collection, and I have been unable to obtain a specimen 

 for examination. The only reference to the particular island upon 

 which it lives is derived from Habel, 



Bulimulus (Naesiotus) Wolfi Reibisch. 



Bulitnulus {Nasiotus) Wolfi Reibisch, Isis, 1892, p. 10, t. ii, figs. 1 a-b; 

 Stearns, op. cit., pp. 414, 427, 1893. 



Indefatigable Island, Wolf, fide Reibisch. 



A specimen of this species kindly forwarded for examination 

 by Herr Reibisch is clearly distinct from anything I have seen. 

 It resembles B. Simrothi Reib., but is more robust, the surface of the 

 upper whorls smoother and more regular in sculpture, the pillar- 

 tooth is more prominent and stronger, the parietal tooth, apparently 

 normal, is not found in any Simrothi I have seen, the umbilicus is 

 larger than in the latter species. It resembles Reeve's figure of j5. 

 Darwini somewhat, but the latter is 17 mm. long, while B. Wolfi 

 only reaches a length of 13'5 mm. 



Bulimulus (Naesiotus) unifasciatus Sowerby. Plate XVII, figs. 6, II. 



Bulimus unifasciatus Sby., P. Z. S., 1833, p. 37 (Charles Id. ). Conch. 111., 

 fig. 55, 1833. 



Bulimus uni/ascialus Desh. in Lam. An. s. Vert., Ed. ii, vol. viii, p. 277, 

 1838, Reeve, Conch. Icon., XXIII, fig. 149 (bad) 1848. Pfr., Mon. Hel. 

 viv. II. p. 195, 1848. Smith, P. Z. S., 1877, p. 72. 



Bulimulus unifasciatus Beck, Index, p. 67, 1838. 



Bulimulus ( Oniphalostyla) unifasciatus H. & A. Ads., Gen. Rec Moll., II, 

 p. 161,1855. 



Bulimulus {Nesiotes) unifasciatus Martens, in Albers, ed. ii, p. 220, 1860. 



Bulimulus {Ncesiotus) unifasciatus Pfr. Nom. Hel. viv., p. 254, 1881; 

 Stearns, Proc. U. S. Nat. Mus., XVI, p. 427, 1893. 



Bulimulus unifasciatus Reibisch, Isis, 1892. p. 3, syn. ; but not p. 20, pi. i, 

 fig. 1 {=nux var.). 



