PUPISOMA. 37 



and Big Pine Keys, 011 the east and south. Ft. Lauderdale, 

 Lemon City, Miami, Snake Creek Hammock, 4 miles south of 

 Lakeview, in the Bade Co. mainland (A. N. S. P. and G. H. 

 Clapp collections). Gainesville (Clapp coll.). 



Texas: Brownsville (R. D. Camp). 



Jamaica: Stony Hill, St. Andrews; Orange Hill. Montego 

 Bay; near Mandeville, Manchester (A. P. Brown). Haiti: 

 San Lorenzo, south side Samaria Bay, Santo Domingo (Dr. 

 W. L. Abbott). Vieque (T. Bland). Costa Rica (Wm. M. 

 Gabb). Canal Zone: Juan Vinas (Jas. Zetek). Trinidad 

 (Guppy). Brazil: City of Sao Paulo (II. von Ihering). 



Additional localities on record : Merida, Yucatan ( Morelet 

 for //. punctum} ; Cuenca, Ecuador (Mlldff. for P. ameri- 

 canum). 



Helix dioscoricola C. B. AD., Proc. Boston Soc. N. H., ii, 

 1845, p. 16. PFEIFFER, Monogr. Hel. Viv., i, 42; Conchylien 

 Cabinet, Helix, p. 240, pi. 30, f. 29-31 (restoration from a 

 broken shell). Helix - , Costa Rica, BINNET, Ann. N. Y. 

 Acad. Sci., iii, p. 113, pi. 5, f. L (teeth). Thysanophora dios- 

 coricola (C. B. Ad.), PILSBRY, Man. of Conch., ix, p. 57. 



H. [elix] punctum MORELET, Testacea Novissima Ins. Cu- 

 bans et America? Centralis, ii, 1851, p. 9. CROSSE & FISCHER, 

 Miss. Sci. Mex., Moll., i, p. 228, pi. 12, f. la-b. VON MARTENS, 

 Biol. Ceutr. Arner., Moll., p. 131, pi. 7, f. 3-35. 



Helix caeca GUPPY, Proc. Sci. Asso. Trinidad (Dec., 1868), 

 1869, p. 241 ; Amer. Journ. Conch., vi, p. 307. - - PFEIFFER, 

 Monogr. Hel. Viv., vii, p. 527 ; Conchylien Cabinet, Helix, p. 

 539, pi. 163, f. 26-28. DALL, Nautilus, iii, 1889, p. 25, pi. 1, 

 f. 9 (St. Augustine, Lake Worth, Hillsborough River). Thy- 

 sanophora ca:ca (Guppy) PILSBRY, Man. of Conch., ix, p. 57. 

 -SUTER, Revista Museu Paulista, iv, 1900, p. 335, pi. 3, f. 1 

 (shell), 2 (jaw), 3 (teeth); (City of Sao Paulo). -- CLAPP, 

 Nautilus, xxxi, p. 74, pi. 8, f. 3. Thysanophora dioscoric.ola 

 cceca (Gpy.), RHOADS, Nautilus, xiii, 45 (Miami, Fla.). 



The greater distinctness of the spiral lines over the whole 

 last whorl and the coarser granulation of the early whorls 

 will usually serve to differentiate the typical form of dios- 

 coricola from Oriental orcula. As in orcula, the spire be- 



