214 BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 



Plate 6. 



Page. 



Figure 1. Tritonalia painei Dall, alt. 15 mm 107 



2. Tachyrhychus lacteolus Carpenter, alt. 10.5 mm 152 



3. Moniliopsis fancherae Dall, alt. 10.5 mm 70 



4. Philbertia crystallina Gabb, alt. 7.7 mm 79 



5. Tritonalia barbarensis Gabb, alt. 17 mm 10S 



6. Neptunea elegantula Dall, alt. 31.5 mm 109 



7. Neptunea orphcus Gould, from type, alt. 22 mm 110 



8. Ptychatractus occidentals Stearns, from type, alt. 14 mm 87 



9. Amphissa columbiana alitor Dall, alt. 29 mm 105 



10. Alia hypodra Dall, alt. 6.5 mm _: 104 



11. Epitonium loxoei Dall, alt. 7 mm 114 



12. Epitonium saicinae Dall, alt. 10.5 mm 115 



Figures 2 and 6 drawn by Miss Evelyn Mitchell, the others by the late 



Doctor J. C. McConnell. 



Plate 7. 



Figuke 1. Pyrulofusus harpa Morch, alt. 140 mm 89 



Plate 8. 



Figure 1. Searlesia dira Reeve, alt. 47 mm 98 



2. Aulacofusus calathus Dall, alt. 27 mm - 94 



3. Aulacofusus gcorgianus Dall, alt. 40 mm 95 



4. Aulacofusus herendceni Dall, alt. 70 mm 94 



5. Neptunea peregrina Dall, alt. 21.5 mm 110 



6. Liomesus nassula Dall, alt. 43 mm 91 



7. Latisipho halli, Dall, alt. 45 mm 96 



8. Neptunea avalonensis Dall, alt. 16.5 mm 110 



9. Volutopsius stejnegeri Dall, alt. 60 mm 90 



10. Buccinum glaciate parallclum Dall, alt. 70 mm 98 



11. Volutopsius trophonius Dall, alt. 67 mm 90 



All these figures drawn by the late Doctor J. C. McConnell. 



Plate 9. 



Figure 1. Volutopsius simplex Dall, alt. 101 mm 90 



2. Volutopsius stefanssoni Dall, 110 mm ^ 89 



3. Beringius tnarshalli Dall, alt. 100 mm 91 



4. Aesopus goforthi Dall, alt. 12.6 mm 105 



5. Ancistrolepis trochoidcus Dall, alt. 18.5 mm. (Japan, extra - 



limital?). 



6. Chrysodomus variciferus Dall, diam. 118 mm 97 



7. Chrysodomus variciferus Dall, alt. 186 mm 97 



8. Chrysodomus onchodes Dall, alt. 103 mm 96 



All these figures drawn by Miss Evelyn Mitchell. 



Plate 10. 



Figure 1. Volutopsius filosus Dall, alt. 64 mm 90 



2. Buccinum cnismatum Dall, alt. 38 mm 99 



3. Buccinum diplodetum Dall, alt. 38 mm 99 



4. Buccinum simulatum Dall, alt. 38 mm 100 



5. Aulacofusus calamaeus Dall, alt. 57 mm 94 



6. Neptunea beringi Dall, alt. 40 mm 109 



7. Neptunea kamchatkana Dall, alt. 24 mm 111 



8. Aulacofusus esychus Dall, alt. 52 mm 94 



