Z aa 32 
7 2 7 2 An , 
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2 : 7 = a) 
pong 
EXPLANATION OF PLATE XXXV. 
LEPTOMARIA ? PERLATA Con. (p. 232). 
Fies. 1,2. Summit and basal views of a small specimen showing the apertural slit along the angn- 
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. 
368 
