qo ences 
118 , i ee Bi: 
2623 Bittium armillatum ornatissimum Bartsch. 
8037 Bittium Arnoldi 
21:0806 Bittium asperum Gabb, 1861 sub Turbonilla.. 428. 
3030 Variety Lomaense 
676 Bittium attenuatum Carpenter. 
3018 _ B: attenuatum boreale 
38019 Variety multifilosum. San Pedro, Cal. 
3020 Variety latifilosum. Terminal Island, Cal. 
677 B. (Elachista) californicum 
3036 = Bittium casmaliense 
3026 Bittium (Lirobittium) catalinense 
3031 £Bittium cerralvoense 
2410 Bittium eschrichti Midd. 
566 Bittium (Stylidium) eschrichti icelum 
567 _B. Eschrichti montereyensis. Monterey, Cal. 
21:0807 Bittium esuriens Cpr. (427), 2624. 
568 \ Bittium esuriens multifilosum 
678 Bittium fastigiatum Carpenter. 
427 Variety Esuriens Carpenter. 
3034 Bittium fetellum 
426 Bittium filosum Gould. 
2625 Bittium fortior Cpr. 
3035 Bittium giganteum 
3027 Variety inornatum 
3025 Bittium (Lirobittium) imterfossa Cpr. 
3015 Bittium Johnstonze ; 
3032 Bittium (Semibittium) Larum 
3038 Bittium mexicanum 
679 Bittium munitum Carpenter. 
2626 Bittium munitum munitoides Bartsch. 
3023 Bittium (Semibittium) Nicholsi 
3024 Bittium (Semibittium) nitens Cpr. 
2627 Bittium Oldroydii Bartsch. 30383 
3028 Bittium (Lirobittium) ornatissimum 
3016 Bittium purpureum 
208 Bittium quadrifilatum Cpr 
570 Bittium quadrifilatum ingens 
3022 Bittium (Semibittium) rugatum Cpr. 
3021 Bittium (Semibittium) subplanatum 
569 Bittium tumidum 
3017 Bittium vancouverense 
489 Bivonia compacta Carpenter. 
21:0213 BOREOSCALA Koblet, 1902. Subgenus of Epitonium. 
21:1516 BOETICA Dall. 
21:1517 Boetica vaginata Dall. 
21:0808 Boreotrophon Fischer. Subgenus of Trophon. 
1414 Boreotrophon alaskanus Dall. 
1417 SBoreotrophon avalonensis Dall. 
1418 B. (avalonensis variety?) eucymatus Dall. 
1410 Boreotrophon beringi Dall. 
1420 Boreotrophon cepula Sby. 
1421 Variety cymatus. Pribilof Islands, 71 fms. 
1422 Boreotrophon dalli Kobelt. 
1423 Variety altus. Spire exceptionally elevated. 
1412 Boreotrophon disparillis Dall. 
2628 SBoreotrophon gracilis Perry. 
1404 Boreoptrophon Kamchatkanus Dall. 
1415 RBoreotrophon mazatlanicus Dall. 
1 rama tema 
