PLATE CXX. 
PAOE 
Figs. la-2b. Scutella aberti Conrad 432 
la. Lower surface of test. Jones Wharf. 
lb. Lateral surface of test of same specimen. 
2a. Interambulacral plate. 
2b. Another view of the same (?). 
Fig. 3. Ophioderma (?) sp 433 
3. Fragment of arms. St. Mary's River. 
112 
