NORTHWEST COAST MARINE SHELLBEARING MOLLUSKS. 201 



Drillia, see Cymatosyrinx and Clathrodrilliu. 



Drillia inermis, see ophioderma. 



Drillia cancellata, see rhines. 



Eucosmia, see Eulithidium. 



Eulima, see Melanella. 



Euthria, see Searlesia. 



Fissuridea, see Diadora. 



Fusus, see Fusinus. 



Fusus robustus' Trask, see F. monksae Dull. 



Fusus rugosus Trask, see F. traski Dall. 



Gibbula, see also Lirularia. 



Glyphis, see Diadora. 



Gyrodisca, see Megalomphalus. 



Harfordia, new section, type, Fusus harfordi Stearns. 



Hydrobia, see Cingula. 



Isapis, see Iselica. 



Jeffreysia, see Rissoella. 



Limacina, see Spiratella. 



Limatofusus, new section, type Aulacofusus tahivitanus Dall. 



Liostraca, see Strombiformis. 



Littorlna grandis, see sqvulidti. 



Lucapina, see Megathura. 



Lunatia, see Euspira. 



Maorochasma, see Megathura. 



31 aa'omphalina, see Megalomphalus. 



Mangilia funebrale, see 3/. levidensis. 



Mangilia nitens Carpenter, not Sowerby, see pulchrior. 



Margarita, see Margarites. 



Margarita inflata Carpenter, 1864, see inflatula. 



Margarita inflata Carpenter, 1865, see rhodia. 



Maugerella, see Stenoradsia. 



Mitra nodoso-cancellata, see 3/. solitaria. 



Modiolaria, see Musculus. 



Monoceros, see Acanthina. 



Monoceros engonatum, see Acanthina spirata. 



Murex californiea, see erinaceoides. 



Murex incisa, see Triremis gemma. 



Murex painei, see Tritonalia. 



Mysella, see Rochefortia. 



Mytilus hamatus, see recurvus. 



Nacella, see Rhodopetala. 



Nettastomella dartvini, see ZV. rostrata. 



Nitidella dalli E. A. Smith, see gouldii Carpenter. 



Nuttallina scabra, see N. fluxa. 



Ocinebra, see Tritonalia. 



Odostomia tenuis, see Evalea io. 



Oedalina, see Cooperella. 



Olivella intorta, see 0. pedroana Conrad. 



Onchidella, see Arctonchis. 



Opalia borealis, see tcrobletvslciL 



Pachydesma crassatelloides, see P. stultorum. 



Panomya norvegica, see P. arctica. 



Pectunculus, see Glycymeris. 



