f. B. Meek—Fossiis of the Illinois Geological Report. 489 
in 
Paleontology of Eastern Nebraska, published in Hayden’s 
Nebraska Report of 1872. . 
The other form, numbered 8a, 4, on the same plate, is Vucula 
parva of McChesney. au 
Nuculana (sp. undt.); pl. xxv1, fig. 10.—This is the same as 
at least one of the forms referred by Prof. Geinitz, in his work 
on the Nebraska fossils, to Nucula Kazanensiz de Vernueil. It 
* ike the shell under 
= chbrscip ag “rs — ccs eaiaties: cams Amusium, tis 
only necessary to compare the e of our shell sebssy “g in Hayden's Nebraska 
: iculatum Swallow (sp.), which is exactly 
like the type of P. excepting in not ving a crenate hinge. 
t See page 445 of this volume. 
