EXPLANATION OF PLATE XXXV. 
LEPTOMARIA ? PERLATA Con. (jp. 232). 
Figs. 1,2. Summit and basal views of a small specimen showing the apertural slit along the anyn- 
lation. Am. Mus, Nat. Hist., New York City. 
3,4. Lateral and basal views of Courad’s type specimen. 
TREMATOFUSUS VENUSTUS Whitf. (p. 235), 
5,6. Views of two individuals differing in the height of spire and angulation of body volution. 
7. View of another specimen as obtained by gutta-percha from the matrix. 
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