322 PROCEEDINGS OF THE ACADEMY OF [1896. 



26b. Cerion maniia magister P. .t V.* PI. XI. fig. 4. 



Larger, stouter, more cylindrical, closely mottled and variegated ; 

 aperture large, with the Up hroadhj jiariug, reflexed. 



Matauziis aud other localities in eastern Cuba. This is probably 

 S. mumia Mayu., Coutrib. to Sci., I, p. 190; not of Bruguiere. 



27. Cerion mnmiola Pfr.« Arohiv f. Xaturg.. 1869. I, p. 353: Malak. Bl.. 1S54. t. 

 3, f. 7. 8. 



^latanzas; Bahia Honda, Cuba. 

 27a. Cerion niuniiola major Pfr.» Malak. Bl., 1854, t. 3, f. (>. 

 Cuba. 



28. Cerion sculptum Poey. Memorias. II, p. 3(i, pi. 2, f. 22. 



Cuba. 



Group of C. scalannum. 



This is one of the most peculiar groups of the genus, unique in 

 the sculpture of fine spiral lines crossed by very prominent ribs. 

 Mayuard proposes for it the subgeueric name Umboni^, but we 

 would hardly accord the group so high a rank. 



29. Cerion scalarinuni • Gundlach' Pfr. Xorit. Conch., p. 367, pi. S4. l". 16, 17. 

 Gibara, Cuba. 



80. Cerion Johnsoni Pils. .t Van.* Proc. A. X. S.. lS9o, May 4, p. 207. PI. XI, 

 fig. 30. 



5'./<zj-^«/Maynard, Contrib. to Sci.. iii, p. 32. 



Cuba. 



31. Cerion felis P. .t V.» Proc. A. N. S., 1S95, May 4, p. 206. PI. XI, fig. 29. 

 Cat Island, Bahamas. 



Group of C. glan-s. 



32. Cerion lentiginosnm Mayn.* Contr. Sci., 1889, Vol. 1. p. 75, t. 7, f. IS. 

 Eum Key, Bahamas. 



There is also a pure white form. 



33. Cerion album Maynard.* Contr. Sci., 1SS9, Vol. 1. p. 74. t. 7, f. 17. 



Rum Key. A closely allied form with liver-brown lip occurs on 

 Eleuthera, but our specimens are only " crab shells," not suitable 

 for exact comparisons. 

 33a. Cerion album Brownei M.^ynard.* Contr. to Soi.. I, p. 196. 



Rum Key. 



34. Cerion Abacoense P. ± V.« Proc. A. N. S., 1895, May 4. p. 209. PI. XI, fig. 11. 

 Abaco, Bahamas. 



