212 



REPORT — 1856. 



Box I. Oregon Tour. 



Anodon cognata, G., Lake near Nis- 



qually. 

 Alasmodon falcata, G., Columbia, Spo- 



kan, common. 

 Anodon feminalis, G., Wallawalla. 

 Helix strigosa, G., Interior of Oregon. 

 Lymnisa (long spire). 

 Succinea (spreading mantle). 



Box IV. PuGET Sound. 



Venus (perhaps a fourth species), Classet. 



Tellina (middle size, smooth, not po- 

 lished, smaller, and a little deflected), 

 common, sandy places. 



Tellina secta, Conr. (or allied : larger, 

 truncate at one end; ligament narrow, 

 but elongate), common, sandy places. 



Mytilus (size of edulis, with a few large 

 costse); [probably M. Calif or nianus, 

 Conr. ;] among rocks, low-water mark, 

 Classet. 



Fissurella cratitia, G., Classet. 



Cardium hlandum, G., dredged at Dunge- 

 uess. 



Acmma Imitra, Esch., Classet. 



Acmcea instabilis, G., Classet. 



Acmaa (costate and tuberculate), com- 

 mon. 



Acmaa (larger, apex more medial), 

 Classet. 



AcmcEa (finely striate), rocks, Classet. 



Pecten hericeus, G., Classet. 



Pecten (young, costae smooth), Classet. 



Scalaria ? borealis, Classet. 



Scalaria (large, much elongated, solid), 

 Classet. 



Tellina (elongate, concentric stria;), 

 Classet. 



Oliva, Classet, dead. 



Haliotis (fragment of large species), 

 Classet. 



Modiola (one valve, young). 



Triton tigrinum. 



Crepidula (Capuloid) ; [probably C. 

 adunca.'\ 



Crejndula nummaria, G., Classet. 



? Anomia, Classet, dead. 



Mytilus (common, like edulis). 



? Saxicava (very short and ventricose), 

 Classet. 



Natica algida, G., Classet. 



Nassa mendica, G., Classet. 



Purpura lagena, G., Classet. 



Cerithium Jilosum, G., Classet. 



Calyptrcea 1 pileiformis. 



Mya (very small), Dungeness. 



Cardium, Dungeness (dredged). 



Box V. PuGET Sound. 



Cardium (largest, used for food). 

 Pecten hericeus, G., Dvmgeness. 

 Purpura septentrionalis, Dungeness. 



Box VI. PuGET Sound. 



Solen sicarius, G., Dungeness (dredged). 

 Solen maximus, Classet. 

 Helix Vancouver ensis, Lea. 

 Helix labiosa, G. 



Box VIII. San Francisco. 



Cardium ? Calif orniatium (same as Ore- 

 gon). 



Mytilus (very large, a few shallow ribs, 

 like Classet). 



Mytilus trossulus, G. (see M. edulis, De 

 Fuca). 



Tellina secta, Conr. 



Mactra (a thin My«-shaped species : per- 

 haps Lutruria). 



Mya {Sphcenia, J in.; see Straits of De 

 Fuca). 



Tellina (small, like balthica). 



Fissurella ? cratitia (like Classet). 



Acmwa (nearly smooth). 



Helix Nickliniana, Lea. 



Purpura emarginata. Duel. 



Trockus mcestus. 



Littorina planaxis, Nutt. (= L. patula). 



Acmcea (angulated), Yerba Buena. 



Box IX. San Francisco. 

 Pholas (small, enlarged, rounded end). 

 Pholas (smaller, obliquely tmncate). 

 Ostrea (small), Carquinez. 

 Amnicola, Sacramento. 

 Helix Californiensis, Lea. 

 Planorbis (form of campanulatus), Sa- 

 cramento. 



Box X. San Francisco. 



Anodon (winged), Sacramento. 

 Alasmodon falcata, G., Upper Sacra- 

 mento. 

 Purpura emarginata. Duel. 

 Anodon cognata, G., near the Presidio. 



Jar 184-. Sacramento Trip. 



Tellina (small, roundish), Carquinez. 

 Mytilus glomeratus, G. 

 Helix Nickliniana, Lea. 

 Cerithium (Potamis) Californianum. 

 Anodon angulatum. Lea. 

 Planorbis (like campanulatus), up Sacra- 

 mento. 

 Planorbis (like trivolvis), up Sacramento. 

 Acmeea (smoothish), mouth of harbour. 

 Acmaa (smaller, more pointed). 



