234 J. Wyman on Remains of Vertebrated Animals, &§c. 
found in digging wells in Richmond, but whether from Eocene 
or Miocene beds I am unable to state. 
odus uppendiculatus, Agass. 
Carcharodon angustidens, Agass. 
Galeocerdo contortus, Gibbes. 
G. Eigertonti, Agass 
Sphyrna lata, Agas 
Glyphis subulata, Gibbes. : 
Notidanus primigenius. This species is quite rare. The spe- 
: cimen here referred to is the only one which I have seen men- 
ye tioned as coming from the U. States. . This was described by Dr. 
oa R. W. Gibbes i in ae memoir on the fossil Squalide * 
. Gen atis.—After the genus Lamna, Myliobatis may 
he. one which: cgylenc the largest maieaber my) 
: Ne 
we BP 
- —8 an peti or pharyngeal plates, fig. 9a 
on ‘aud as ve as far as any 
et to ite Pres: e first con in the U. States. 
ier or the 
rkable genus first de&cribed by Agassiz, nothing has 
overed but the plates similar to those repre sented 3 
hae, and I have recently receive 
gO KEN oven of large | size. : oi 
| b—These exis in great numbers, bit almost 
ed. ave se means of determinitig them. 
odie ies of. t ihe Scomberoids. 
