ON MOT.LrSCA OF THE WEST COAST OF NORTH AMERICA. 587 



Otia.p. Bost. Proe. S.N.H. 



122. 1860. Sept. Buccinum Stimpsoni, Gld. ; like tmdntum, but quite distinct. 

 Av'ikamcheche Is., Behring Str., W. S. Arctic Ocean, Rod- 

 f/crs. [ Not B. Stimpsoniamim, C. B. Ad.] 



Ncpfunea {Sipltd) terehralis, Gld. ; like Ici-landica. Arctic Oc 

 Troplion incomptus, Gld. ; like crassus. Hakodadi, W. S. 



Brla firrf/ida, Gld. Kamtschatka, W. S. 



Margarita iantliina, Gld. j like Schantarica. Arctic Ocean. 



Marffurita albula, Gld. ; like an overgTown arctica. Arctic 

 Ocean., W. S. 



Margarita iiumteUna, Gld. Hakodadi ; low water, W. S. 



Gihhula redimita, Gld. ; like nivosu, A. Ad. Ilalcodadi, \V. S. 



Lyonsia ventricosa, Gld. ; shorter than Xorvec/ica. Hakodadi, 

 2-6 fm., sandy mud, W. S. l"? = 9iavicnla, jun." A. Ad.] 



Lyonsia (Pandorina) Jlabellata, Gld. ; like arenosa. Arctic 

 Ocean, W. S. 



Theora luhrica, Gld. Hakodadi ; common in mud, 6 fm., W. S. 



Panopt^a fragilis, Gld. Hakodadi, W. S. 



Panopcea ? generosa, var. sagrinata. Awatska Bay, Kamts- 

 chatka, W. S. ["Epidermis projects \ in., as in Glymneris, 

 Mud, 12 fm." Smiths. Cat. 1701] 



Corbula venmta, Gld. Hakodadi, 5-8 fm., shelly sand, W. S. 



Solen strictvs, Gld. ; like corneas. Hakodadi, W. S. 



Solen gracilis, Gld. [non Phil.] Hakodadi, sandy beaches, W. S. 



Machcera sodalis, Gld. ; like costata. Hakodadi, W. S. 



Solemya jnisilla, Gld.; like velum. Hakodadi, 5 fm., mud, W.S. 



Tellina luhrica, Gld. ; \\ke felix smdi fabagella. Hakodadi, 6 Ihi., 

 sandy mud, W. S. 



168. „ „ Saxidomus aratus, Gld. ; like V. maxima, Phil. San P'rancisco. 



[Described as 4-5 in. long, yet] smaller than Xuttallii. ["Open 

 bays at Sir F. Dralve's ; 1. w., sand." Smiths. Cat. 1842.] 



169. ff „ Venus (Mercenaria) StimjKoni, Gld. ; like the Atlantic forms. 



Hakodadi, 6 fm., W. S. 



170. „ „ Mysia (Felania) itsta, Gld. ; like an Astarte. Hakodadi, 8 fm., 



sandy mud, W. S. 

 173. „ Apr. Montacata divaricata, Gld. Hakodadi, on ^S;w^f,,iJr7^^<f-spines,W. S. 

 175. „ „ Nticula (Acila) insiqnis, Gld. ; like ■mirahilis : [identical, teste 



A. Ad.] E. Japan, lat. 37°, and Hakodadi, W. S. [" 20 fm. 



black coarse sand." — Smiths. Cat. 1628.] 

 177. „ „ Mytihts coruscus, Gld.* Hakodadi ; common on rocks between 



tide-marks, W. S. \?=M. splendens., no. 1956.] 

 177. „ ff Pecten hetiis, Gld. ; resembles generally P. senatorius, is still more 



like P. [^Amusimii] caurimis. Hakodadi, shellv mud, 10 fm., 



W_. S. [Non P. Iftus, Gld., in U. S. Expl. Exped. Shells, 



Otia, p. 95, = P. Diffenbachii, Gray, teste Cuming.] 

 95. The United States Expedition to Japan, under Commodore M. C. Perry, 

 1852-4, was not undertaken for scientific purposes ; and no special provision 

 was made either for collecting or describing objects of natural history. A 

 large number of shells, however, were obtained, and identified by Dr. Jay of 

 New York. In Vol. II. of the ' Narrative of the Expedition, etc' ( Washing- 

 ton, 1856, pp. 289-297) is given a list of Japanese shells, with descriptions and 

 figures of the (supposed) new species. The following are related to the mol- 

 luscs of the West Coast t. Specimens of the most imj)ortant may be seen 

 in the Cumingian Collection. 



* The M. mutabilis, described on the same page from Kagosima, is & Septifer; it is pre- 

 sumed that the learned author did not open a specimen. 



+ The student should also consult, for related forms, the ' MoUusea Japonica ' by Dr. 

 W. Dunker, Stuttgart, 1861 ; — ^like aU the other works of the same author, most valuable 

 for the patient care, accurate judgment, and enlarged experience displayed; but relating 

 clueflj to the subtiopical portion of the fauna. 



73 



