1896.] NATURAL SCIENCES OF PHILADELPHIA. 321 



20b. Cerion regina eucosmium P. & V.* Proc A. N. S., 1895, May 4, p. 208. PI. 

 XI, fig. 21. 



Turks Island. 



20c. Cerion regina percostatum P. & V.» Proc. A. N. S., 1895, May 4, p. 208. PL 

 XI, fig. 22. 



Turks Island. , 



20d. Cerion regina Swiftii P. & V.» Proc. A. N. S., 1895, May 4, p. 208. 

 Turks Island, 



20e. Cerion regina brevispirum P. & V.* Pioc. A. N. S., 1895, May 4, p. 209. PI. 

 XI, fig. 25. 



Turks Island. 



21. Cerion regium Benson.* Ann. and Mag. Nat. Hist. 2d. Ser., IV, p. 125 ; Con- 

 ehyl. Cab., t. 17, f. 13, 14. 



Fupa decuviana of authors, not F^r. 



22. Cerion oolumna P. & V.* Proc. A. N. S., 1895, May 4, p. 207. PI. XI, fig. 17. 



Inagua, Bahamas. 



22a. Cerion oolumna validum P. & V.* Proc. Acad. Nat. Sci. Phila., 1895, p. 207. 

 PI. PI, fig: 18. 



Inagua. 



23. Cerion calcareum Pfr. Zeitschr. f. Malak., 1847, p. 83; ConchyL Cab., Pupa, 

 pL 19, f. 4, 5. 



Habitat unknown. Probably will be found in the Inagua group. 



24. Cerion sarcostomum Pils. & Van.* PL XI, fig. 16. 

 Little Inagua. 



25. Cerion infandum ' Shutt.' Poey.® Memor., II, p. 29-60 ; Malak. Bl., 1854, t. 

 3, f. 4, 5. 



Punta Gorda en Matanzas, Cuba. 



26. Cerion mumia Brug.» Eneycl. Meth., I, p. 348, N. 87, Fer. Hist., 1. 153, f. 5, 6. 



S.fastigaia Maynard, Contrib. to Sci., 1896, Vol. Ill, p. 6, 7. 

 S. eurysioiiia Maynard, Contrib. to Sci., 1896, Vol. Ill, p. 7-9. 



Cuba. 



26a. Cefion mumia chrysalis Fer.* Hist., t. 153, f. 1-4. 



S. scripta Maynard, Contrib. to Sci., iii, p. 34. 



S. scripta obhierata Mayn., Contrib. to Sci., iii, p. 5. 



S. media Mayn., Contrib. to Sci., iii, p. 18. 



Differs from mumia only in the insufficient character of being 

 mottled in zig-zag pattern. The various forms described by Maynard 

 are well represented in our series, with intermediate forms also. 

 They have no racial characters worth naming. 



