584 REPORT 18G3. 



1596. Mentis rigida, Gld. [MS. non Old., Otia, p. 85,= Tapes, var. Petitii. The 

 Japanese shell is Adamsii, Rve., from type]. Ilakodadi Bay. Four to 

 ten fm. sand. 



The above occur in connexion with local and with diffused tropical species. 



1601. Euthriaferrea, live. Simoda. Among stones and pebbles, 3rd level. [Al- 

 most identical with the Cape Horn species, JE. plumbea, Phil.] 



1630. Tritonium \_Chrysodomus} cassidarictfortnis, live. East Coast of Japan, lat. 

 37, and Hakodadi. Twenty fm., black coarse sand. 



1632. Chiton "largest" [? Cryptochiton Stelleri]. Ilakodadi. On large stones 

 and under shelving rocks, low-water mark. 



1634. Pecten, like [ = ] Islandicus. Hakodadi. Ten fm. shell-sand. 



1635. Sanguinolaria Nuttallii, Conr., = decora, lids. Ilakodadi. " Possiblv= Sole- 



tellina obscurata, Desh." Sand, low-water mark. 

 1637. Macoma lata, " Gmel. in Mus. Cum.,= calcarea, Chem.,=proxima, Brown, = 



sordida, CoMth.^Suensoni, Morch." Ilakodadi. 4th level, sandy mud. 

 1639. Litorina Grcenlandtca, Chem. Ilakodadi. Hocks, 1st level. 



1648. Cardium pseudofossile, Hve., = blaHdum, Gld., perhaps = Californicnsi ', Desh. 



Hakodadi. Twentv fin. sand. 



1051. Ttrebratida \_Waldieimia~} Grayi, Desh. Ilakodadi. Sb ell y gravel, 8-15 fi. 

 1665. Leda arctica, Brod. [=1^. lanceolata, 3 . Sbv.]. Hakodadi. Saudy mud, 4-12 



fm. Seniavine Str., 10-30 fm. 



1674. Drillia inennis, Hds. Hakodadi. Shelly sand, 4-10 fm. 

 1700. Pecten Yessoensis, Jay. [Probably a var. of Amusium caurmumJ] Hakodadi. 



Weedy mud, 4 fm. 



1702. Cardium (Serripes) Grcenlandicum. Awatska Bay, Kamtschatka. Mud, 



12 fm. Also Avikamcheche Is., Behring Str., and Arctic Ocean. 



1703. Yoldia thraciceformis, Storer. Hakodadi. Mud, 12 fm. 



1704. Mytilus edulis. Hakodadi. Also Avikamcheche Is., Behring Str., and 



Arctic Ocean. Low-water mark, and in 3rd and 4th level. 



1705. Cardium Calif omiense, Desh. Ilakodadi. Mud, 12 fm. [= no. 1648.] 



1706. Mya truncata. Hakodadi ; also Avikamcheche Is. Mud, 6-15 I'm. Al r o 



Arctic Ocean, in mud, 30 fm. 



1708. Buccinum glaciate. Hakodadi, and Straits of Seniavine, at Aminchecho 

 Is., Behring Str. 



1710. Tritonium [Chrysodomw~] antiquum+ deformis, Hve. ; and vars. Hakodadi 



and Avikamcheche Is. Gravel, 4 fm. 



1711. Buccinum tortuosttm, Rve., = 6Ta/an/orme-f-vars. Straits of Seniavine. 



1714. Mya ?arenaria. Hakodadi and Avikamcheche Is. 



1715. Bullia [ Volutharpa~]ampullacea, Midd. Hakodadi. Gravel, 5-6 fm. 



1716. Lanistes Icevigata, Gray (^discors, Ln., teste Dkr. in Mus. Cum.). Mud, 



20 fm. Hakodadi and Arctic Ocean ; common, in nests, 30 fm. ; no. 17ot). 



1717. Trichotropis midticaudata [?=Tr. coronata, Otia, p. 121: related to insignia^ 



Midd., teste A. Ad.]. Hakodadi. Gravelly mud, 15 fm. 



1718. \Lepeta'] caca, var. concentrica, Midd. Hakodadi and Arctic Ocean. 



1719. Trichotropis bicarinata, Sby. Hakodadi. Not uncommon in laminarian zone. 



Arctic Ocean ; common. 



1720. Macoma proxima, Brown. Hakodadi; mud, 5-25 fm. Awatska Bay. 



Arctic Ocean ; common, no. 1727. 



1721. Macoma edentula, Brod. and Sby. Hakodadi. Avikamcheche Is. 



1722. Crepidula grandis, Midd. Hakodadi. Okhotsk, 15 fm. : no. 2002. 



1723. Venus Jluctuosa, Gld., 1841. ? = astartoides, Beck, 1849. Hakodadi and Arctic 



Ocean : not uncommon. Mud, 5-10 fm. 



1725. Cardita (Actinobohis) borealis, Conr. Avikamcheche Is., Behring Strait? ; 



mud, 5-30 fm. Awatska Bay ; 10 fm. mud. Arctic Ocean ; common. 



1726. Saxicava pholadis } I^.^ruyosa+dintorta. Avikamcheclie Is., Arctic Ocean. 



Awatska Bay; on shells, &c. Lam. zone ; no. 1729. 



1728.. Margarita obscura, Couth. Awatska Bav, Kamtschatka. Mud, 10 fm. 

 1732. Bela turricida., Mont Awatska Bay -, mud, 6-15 fm. Also Seuiaviae Str,; 



no. 1782. 



70 



