108 OXYSTYLA, ANTILLES. 



Alt. 50, diam. 27-J, longest axis of aperture 28 mill. (Kingston). 



Alt. 70, diam. 39, longest axis of aperture 40 mill. (Yallahs). 



Alt. 59, diam. 32, longest axis of aperture 33 mill. ( Yallalis). 



Alt. 53J, diam. 27, longest axis of aperture 28^ mill. (Yallahs). 



Jamaica : " Rock Fort," etc., near Kingston (Gloyne, Feilden, W. 

 J. Fox, C. W. Johnson) ; east of Kingston, and Hope River (Hen- 

 derson & Simpson); Tallahs (U. C. Smith). Transported from near 

 Kingston to the Suburbs of Bridgetown and on Pelican Island, Bar- 

 bados (Feilden), 



Bulimus zebra Mull., C. B. ADAMS, Contrib. to Conch, no. 3, pp. 

 40, 48; Catalogue of Land Shells which inhabit Jamaica, 1851, p. 

 184. Orthalicus zebra (Mull.), E. A. SMITH and H. W. FEILDEN, 

 Ann. Mag. Nat. Hist. (6), viii, 1891, p. 253 (exclusive of reference 

 to Reeve). CROSSE & FISCHER, Miss. Scient. Mex., Moll., p. 441 

 (exclusive of much of the synonymy and distribution), pi. 18, f. 8 

 (epiphragm). 



Orthalicus undatus var. a, SHUTTLEWORTH, Notitiae Malacologicae 

 i, p. 63, pi. 3, f. 4. Orthalicus undatus Brug., GLOYNE, Journ. de 

 Conchyl., 1875, p. 120. W. G. BINNEY, Annals of the Lyceum of 

 Nat. Hist, of New York xi, p. 41, and also the notes on genitalia 

 (and probably jaw and dentition) of undatus in Terr. Moll, v, p. 410, 

 and Man. Amer. Land Shells, p. 440. STREBEL, Beitr. Mex. Land- 

 und Siisswasser Conchylien v, p. 26, form A, pi. 2, f. 11 (shell of a 

 Jamaican specimen) TRYON, Amer. Journ. Conch, iii, p. 166, pi. 

 13 (9), f. 1. HENDERSON, Nautilus viii, p. 19, 1894. 



More or less doubtfully pertaining to the Jamaican form : Bulla 

 zebra <?, GMELIN, Syst. Nat. (13), p. 3431, based on Zebra mulleri 

 CHEMNITZ, Syst. Conch. Cab. ix, pt. 2, p. 24, pi. 118, f. 1015, 1016. 

 See also new edition, Bulimus, pi. 2, f. 4, 5. Helix (Cochlostyla') 

 undata FERUSSAC, Prodr. no. 337; Histoire, pi. 114, f. 5, 6 Orthal- 

 icus undalus (in part) Beck, Index, p. 59. ? Orthalicus zebra O. F. 

 Miiller, STREBEL, Beitrage Mex. Land- und Siisswasser- Conch, v, p. 

 24, pi. ll,f. 20. 



The dead, lustreless, and rather rough surface of most Jamaican 

 shells is apparently due to the extreme dryness of the climate of the 

 southern portion of the island. East of Kingston the species is locally 

 very abundant, on trees, but its range is confined to a small area. This 

 limited range, with the fact that the species lives mainly near human 

 habitations, caused C. B. Adams to suggest that it had been intro- 



