ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 219 



Page 



Plate. 



Fig. 



Locality. 



25 



51 



52 

 56 

 56 

 57 

 58 

 61 



61 



62 

 62 

 62 

 62 

 66 

 66 



67 

 68 

 69 



70 



78 



7-10 



16 



15 



fl6 

 17 



17 



18 



18 



18 



17 



19 

 21 

 19 



1-5 



23-25 



10-12 



1,2 



Ll-13 

 1-3 



"'l' 



5-7 



Mytilus edulis, Linn . 



-\-M. borealis, abbrevialus, retusus, in- 

 curvatus, Lam. 



-\-M.pellucidus, Penn. 



-\-M. notatus, De Kay. 



•\-M. subsaxatilis, Williamson. 



Nucula castrensis, Hds 



arctica, Br. 8f Sow 



Cardita borealis, Conr 



Cardium Nuttallii, Conr 



+ C. Californi&num, Conr. 

 Californiense, Desk., v. Reise 



V Astarte Scotica, Mat. 8f Rack 



corrugata, Brown 



=A, semisulcata, Hanc. 



= A. borealis, Phil., Forbes. 



= A. lactea, Br. & Sow. Z. 13. V. p. 152, 



= Tellina atra, Pallas. 

 Venerupis Petitii, Desh 



— gigantea, Desh 



Venus astartoides, Beck, v. Reise 



Petricola cylindracea, Desk 



gibba, Midd. 



Saxicava pholadis, Linn 



Tellina solidula, Pult 



-10 



1-4 



1-3 



13-15 



1-3 

 4-10 



— nasuta, Conr 



— lata, Gmel.,v. Reise 



— lutea, Gray, v. Reise 



— edentula, Br. fy Sow., v. Reise 



— Bodegensis, Hds 



Mactra ovalis, Gld.,\. Reise 



Lutraria maxima, Midd. 



[? = Z. capax, Gld.] 



Pectunculus septentrionalis, Midd 



Lyonsia Norwegica, Chemn., v. Reise. . . . 

 Mya truncata, Linn 



[? = M. prcecisa, Gld.] 



arenaria, Linn 



Machsera costata, Say, v. Reise 



Sitcha, Ochotsk, Kamt., Lapl 

 Is.' Paul, Kadj., Kenai, Behr. 



Sitcha, Hds. 



Kamtsch., Beechey. 



Ochotsk. 



Sitcha, Kenai B., Is. Paul. 



Sitcha, Ochot.,Unal., Behr. Sea. 

 Ochotsk, N. Zem., Lapl. 

 Aljaska, Behr., N. Zem., Lapl, 



Sitcha, Behr. Sea. 



Sitcha, Kamtsch. 



Ochotsk, Behr. 



Sitcha. 



Sitcha, Esch. 



Site, Och., Kamt., N.Zem., Lapl 



Tugurb., Ochotsk, Behr., Kamt. 



N. Zem., Lapl., Black Sea. 

 Sitcha, Behr., Ochotsk. 

 Behr., Ochotsk, Tugurb., Lapl. 

 Behr., Schant., St. Paul. 

 Ochotsk, UnaL, Behr. 

 Bodegas. 



Ochotsk, Behr., Kenai. 

 Sitcha, Worn. 



Is. Ukamok, N.W. coast. 



Ochotsk. 



Ochotsk, Lapl., Kamt. 



Sitcha, Ochotsk, Lapl., N. Zem. 

 Sitcha, Ochotsk, Behr., Kamt. 



In the Sibiriens Reise, additional particulars are given with regard to the 

 following species. 



163 

 174 



178 

 183 



186 



187 



16 



16 



11} 



} 



1-6 



7-10 

 7,8 

 6a-c 



ia-d 

 r ob,c 

 la-d 

 la-c 

 3 



Chiton Pallasii, Midd 



Brandtii, Midd 



submarmoreus, Midd 



Patella (Cryptobranchia) caeca, Mull. ... 



-\-P. cerea, Moll. 



-f-C. Candida, Couth. Some varieties 

 resemble Acmcea testudinalis. 

 (Acmaea) pelta, Esch 



— patina, Esch 



-\-A. scutum, Esch. 

 -\-A.scutum, D'Orb.p.479, excl. f. 8-10. 

 A white var. from the Ochotsk Sea. 



Tugur. 



Sitcha, Tugur, Schantar. 

 Sitcha, Tugur, Schantar. 

 Tugur, Schantar. 



Sitcha, Tugur, Schantar, Una- 

 laschka. 



Sitcha, Tugur, Schantar, Una- 

 laschka, Aleut., Kenai. 



