Fig. 
Fig. 
Fig. 
on | 
10. 
PLATE XLI. 
VERMIPORAUSERPULOMDES  Evaillseeccrse cieweterenaiene rae eben ai cieiete 
. A Jarge colony (after Hall). 
OREICULOID EA. AMPT Ate (CELA) ma -peree cherie ice elects ie aioieseies 
. Two views of a large brachial valve. Nearpass section, 
Locality 2A. 
SCHIZOCRANIA SUPERINCRETA Barrett...........cccse0. 
. A large brachial valve, partially restored. Peters Valley, 
Locality 53 A. 
STROPHEODONTA MAGNIFICA (Hall))...........+s0+e55- 
. A nearly complete brachial valve. Nearpass section, 
Locality 2 A.* 
. An exfoliated pedicle valve. Same locality. 
STROPHMODONMA™ SPs cUIM GE te cre ieqees) eretey cheie te icieneheloneiotsiianisustets 
. External impression of a brachial valve. Nearpass sec- 
tion, Locality 2 A.* 
. An incomplete pedicle valve. Same locality. 
IANOPEEAW NIU CLEVATTHACs TEL aller saettroienotetel slekeralclicitetetecansrenonatay eles 
. The internal cast of a pedicle valve. Peters Valley, 
Locality 53 A. (x2). 
LEPTAENA RHOMBOIDALIS (Wilck).............--.+000- 
Internal cast of an incomplete pedicle valve. Nearpass 
section, Locality 2A. 
(489) 
323 
325 
825 
325 
