196 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Trophon beringi, 99 



clathratus, 98 



pacifies, 100 



paciflcus, 100 



scalariformis, 98 



truncatus, 101 

 truncata, Mya, 190 

 truncatum, Buccinum, 101 

 truncatus, Trophon, 101 

 Turbo biearinatus, 88 



cinereus, 75 



corneus, 75 



obscurus, 80 

 turgida, Panomya, 189 

 Turitella reticulata, 86 



umbilicata. Bulla, 138 

 umbilicatus, Utriculus, 138 

 undata, Morvillia, 94 

 undatum, Velutina, 94 



Utriculus candidus, 139 

 nitidulus, 138 

 umbilicatus, 138 



vahlii, Defrancia, 136 



Margarita, 79 

 variciferus, Chrysodomus, 121 

 Velutella cryptospira, 96 

 velutina, Bulla, 95 

 Velutina cryptospira, 96 



laevigata, 95 



schneideri, 95 



sitkeQsis, 96 



undatum, 94 



zoData, 94 

 Venericardia alaskana, 169 



crassidens, 170 



crebricostata, 169 



paucicostata, 170 

 ventricosum, Buccinum, 121 



venulosa, Peronidia. 180 

 Venus compressa, 167 



flexuosa, 171 



fluctuosa, 177 



montagui, 167 

 verkruzeni, Fusus, 126 



Plicifusus, 126 

 vestita Amicula, 147 

 vestitus, Chiton, 147 

 vinosa, Neptunea, 124 

 viridis, Liocyma, 177 

 virldula, Cancellaria, 129 

 Volutopsius beringi, 117 



kobelti, 117 



warhami, Astarte, 107 

 woodiana, Defrancia, 135 



zetlandica, Doris, 143 

 zonata, Velutina, 94 



References 



Abbott, R. Tucker 



1954. American seashells. 541 pp., 40 pis. (1-16, 33-40 in color), 100 text 

 figs. 

 Adams, Arthur 



1851. Descriptions of new shells, from the Cumingian Collection; with a 

 note on the genus Nematura. Proc. Zool. Soc. London, pp. 224-225. 

 Alder, Joshua, and Hancock, Albany 



1845-1855. A monograph of the British nudibranchiate Mollusca .... 

 Pts. 1-7, 80 pis. [Fam. 1, pis. 1-27; fam. 2, pis. 1-5; fam. 3, pis. 1-48]. 

 1910. A monograph of the British nudibranchiate Mollusca . . . with a 

 supplement by Sir C. Eliot. Pt. 8 (Supplementary), col. illus. 

 AscANius, Peder 



1774. Beskrivelse over en norsk sueppe og et S0dyr. K. Norske Vid. Selsk. 

 Skrift., vol. 5, pp. 153-158. 

 Bartsch, Paul 



1921. Observations on living gastropods of New England. Nautilus, vol. 



35, pp. 85-90. 

 1941. The nomenclatorial status of certain northern turritid moUusks. 

 Proc. Biol. Soc. Washington, vol. 54, pp. 1-14, pi. 1. 

 Bartsch, Paul and Rehder, Harald A. 



1939. Two new marine shells from the Aleutian Islands. Nautilus, vol. 52, 

 No. 4, pp. 110-112, pi. 8. 

 Beck, H. 



1842. In Moller (see Moller, 1842b). 

 Beechey, Frederick William 



1839. The zoology of Captain Beechey's voyage . . . in HMS Blossom ... . 

 xii+186, pp., 44 col. pis., 3 col. maps. 

 Belcher, Sir Edward 



1855. The last of the Arctic voyages; being a narrative of the expedition in 

 HMS Assistance ... in search of Sir J. Franklin, during . . . 

 1852-54. With notes on the natural history by Sir J. Richard- 

 son .... Vols. 1-2, illus. [Vol. 2 contains "Account of the 

 shells collected . . . north of Beechej^ Island," by L. Reeve.] 



