PLATE cm. 
PAGE 
Fig. 1. Melina maxillata ( Deshayes) 383 
1. Interior of broken valve showing hinge and ligament grooves. 
Jones Wharf. x % 
Figs. 2, 3. Atbina harkisii Dall 384 
2. Exterior of right valve. Pawpaw Point. x % 
3. Exterior of decorticated right valve. Jones Wharf. U. S. National 
Museum. (After Dall.) x % 
