PLATE II 
Fig. 1. Stropho7uena halite. A, brachial valve; B, interior of brachial valve; 
C, interior of fragment of pedicel valve; types, number 8848, Faber collection, in 
Walker Museum at Chicago University; Columbia Avenue, Cincinnati, Ohio, 
Southgate member of the Eden. D, pedicel valve; Limestone Creek, southeast of 
Maysville, Kentucky, in Southgate member. E, interior view of pedicel valve; 
in railroad cut, east of home of George Million, over a mile southeast of Million, 
Kentucky, at the top of the Southgate member, immediately below the Paint Lick 
member of the Eden. 
Fig. 2. Strophotnena halite, variety. Apparently only an aberrant, triangular 
form presented by a single individual. Brachial valve. Near base of Eden as 
exposed west of tunnel, 1 mile west of Million, Kentucky. 
Fig. 3. Strophotnena higginsportensis. A, B, pedicel valves, interior views. 
See also plate X, Fig. 4, for another view of 3 B. Stony Point, east of Higginsport, 
on Kentucky side of Ohio River. Apparently near base of Eden, but exact horizon 
unknown. 
Fig. 4. Strophotnena maysvillensis. A, B, pedicel valves; C, D, interiors of 
pedicel valves; F, G, brachial valves; H, /, J, interiors of brachial valves. Mays- 
ville, Kentucky. Lower part of Fairmount. 
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