1898.] NATURAL SCIENCES OF PHILADELPHIA. 61 



Psammobia cerina C. B. Adams, = Macoma cerina. 



Psammobia constricta Lam., = Macoma constricta. 



Psammobia declivis Turton, = Tagelus gib bus Spengler. 



Psammobia decora Hinds, = Sanguinolaria nuttallii Conrad. 



Psammobia lusoria Say, = Macoma lusoria. 



Psammobia pacifica Conrad, = Heterodonax bimaculata. 



Psammobia purpureo-maculata C. B. Adams, = Heterodonax bi- 

 maculata. 



Psammobia rosea Deshayes, = Sanguinolaria sanguinolenta. 



Psammobia rugosa Sby., = Asaphis coccinea. 



Psaynmobia rubroradiata Cpr., (1863), = P. californica Conrad, 

 (Proc. Acad. Nat. Sci. Phila., 1848, p. 121). 



Psammobia tozniata Turton, = Tagelus divisus. 



Psammocola lucinoides H. C. Lea, = f Diplodonta sp. 



Psammocola pleiocena T. & H., = Asaphis centenaria. 



Psammocola regia H. C. Lea, = Asaphis centenaria. 



Psammocola rugosa Blainv., = Asaphis coccinea. 



Sanguinolaria californiana Conrad, = Macoma sp. 



Sanguinolaria fusca Say, = Macoma fusca. 



Sanguinolaria miniata Gould, = S. tellinoides A. Ads. 



Sanguinolaria ovalis (Desh.) Reeve, = S. tellinoides junior. 



Sanguinolaria purpurea (Desh.) Reeve, = S. tellinoides. 



Sanguinolaria rufescens Chemn., = S. operculata Gmel. 



Siliquaria caribcea Holmes, = Tagelus gibbus. 



Siliquaria carolinensis Conrad, = Tagelus sp. indet. 



Siliquaria edentula Gabb, = Psammobia edentula. 



Siliquaria equalis Conrad, = Tagelus sp. 



Siliquaria gibba A. Adams, = Tagelus gibbus. 



Siliquaria notata Schumacher, = Tagelus gibbus. 



Solecurtus angulatus Sby., = Tagelus gibbus. 



Solecurtus bideus Forbes & Hanley, — Tagelus divisus. 



Solecurtus californianus Carpenter, = Tagelus calif ornianus. 



Solecurtus caribceus Blainville, = Tagelus gibbus. 



Solecurtus centralis Sowerby, = Tagelus gibbus. 



Solecurtus cylindricus Sowerby, = Tagelus affinis. 



Solecurtus fragilis Conrad, = Tagelus divisus. 



Solecurtus subteres Emmons, = Siliquaria equalis Conrad. 



Solecurtus subteres Conrad, = Tagelus subteres. 



Solecurtus violascens Sowerby, = Tagelus violascens Cpr. 



Solen adansonii Bosc, = Tagelus guineensis. 



