PLATE 



16 



108. Alclthoe (Ericusa) fulietrum fulietrum (Broderlp), p. Jl 



109. Alctthoe {grtcusa) papulosa papulosa (Swalnson) 



Lip Immature, p. J>2 



110. Alclthoe (grlcusa) papulosa papulosa (Swalnson) 



Adult shell, reduced in size, p. 32 



111. Aullca nobilts nobilis (Solander), reduced In size, p. 39 



112. Aullca nobllls nobilis (Solander), reduced in size, p. 39 



