PANAMIC-PACIFIC PELECYPODA %-87 



EXPLANATION OF PLATE 14 

 Figure Page 



1-lb. rerumj tilus purpuratus (Lamarck) 117 



Fig. 1, length 32 mm.; Fig. la. length 27.2 mm.; P^ig. lb. a young 

 shell with coarse sculpture, length 18.2 mm. Paracas, Peru. PRI 

 25577. 



2-2a. Modiolus pseudotulipns, new species 127 



Length 64.5 mm. Punta Blanca, Ecuador. Holotype, ANSP 218957. 



3-3a. 3Iodiolus pacificus, new species 127 



Length 93 mm. Salinas, near Bayovar, Peru. Holotype, ANSP' 218957. 



4-4a. Modiolus capax (Conrad) 126 



Length 77 mm. Venado Beach, Panama Canal Zone. PRI 25578. 



5-5a. Modiolus eiseni Strong and Hertlein 126 



Length 50.5 mm. Manta, Ecuador. PRI 25579. 



6. Mytella speciosa (Reeve) 124 



Length 101 mm. Negritos, Peru. P'RI 25580. 



7. Mytella tumbezensis (Pilsbry and Olsson) 125 



Length 44.50 mm. Tumbez, Peru. Holotype. ANSP 164618. 



8. Semimytilus algosus (Gould) 114 



Length 29.5 mm. Bahia Lagunillas, Paracas, Peru. PRI 25581. 



'"9. Aulacomya ater (Molina) 116 



Greater length 100 mm. Paracas, Peru. PRI 25582. 



