Omitted. 
P, 8—Nassa incrassata. Miller. P. 9—Mangelia septangularis. Aont. 
Additional Species described by J. G. Jeffreys, Esq., in “ Annals of Natural 
History,” January, 1858. 
Porontya subirigona, n. sp. Jeffreys. Kulimella obeliscus. Jeffreys. 
Diodonta Barleei, n. sp. Jeffreys. Amphisphyra globosa. Miiller. 
Odostomia minima, n. sp. Jeffreys. Bucemnum Helbotli. A/iiller. 
