PLATE XXVIII. 



FIG. 



1, 1. LAOMEDEA OBLIQUA, p. 106, of the natural size and 



magnified. From specimens for which I am indebted 

 to W. W. Saunders, Esq. 



2, 2. CAMPANULABIA INTEGRA, p. 109, of the natural size and 



magnified. 



3, CAMPANULARIA LACERATA, p. 1 1 1 . A portion of a speci- 



men magnified. 



