Mouusks 9 A 



STATION 24. 



Sandspit at point Barrow, Alaskan Arctic coast. 



Mytilus edulis L. 



Musculus niger Gray. 



Musculus laevigatus Gray. 



Serripes gronlandicus Gmel. 



Astarte borealis Schum. 



Macoma calcarea Gmelin. 



Liocyma beckii Dall. 



Saxicava drctica L. 



My a truncata L. 



Mya truncata var. uddevallensis Forbes. 



My a intermedia Dall. 



Zirfoea gabbi Tryon. 



Chrysodomus solutus Herrman. 



Chrysodomus saturus Martyn . 



Plicifusus johanseni Dall. 



Volutopsius stefanssoni Dall. 



Buccinum normale Dall. 



Bibccinum angulosum (Gray) subcostatwm Dall. 



Buccinum angulosum Gray (s. s.). 



Buccinum plectrum Stm. 



Buccinum polare Gray. 



Buccinum cyaneum Hancock. 



Buccinum glaciate Phipps. 



Boreoscala greenlandica (Perry). 



Velutina zonata Gould. 



"Vdutina" spongiophila Midd. (Hydroid). 



Piliscuscommodus Midd. 



Natica clausa Brod. & Sby. 



Euspira pallida Brod. & Sby. 



Amauropsis purpurea Dall. 



Buccinum, Chrysodomus, etc., -(ovicapsules). 



STATION 26. 

 ' Spy island, Alaskan Arctic Coast, beach. 



Astarte borealis Schum. 

 Cyrtodaria kurriana Danker. 



STATION 28i. 



Hot Spring creek, Sadlerochit river, inland from Camden bay, Alaskan Arctic 



coast. 



Lymnea caperata Say, dwarfed. 

 45508—2 



