NOKTHWEST COAST MAKINE SHELLBEAEING MOLLUSKS. 215 
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Figuke 9. Aulacofusus trophius Dali, alt. 32 mm 95 
10. Mohnia exquisita var., Dali, alt. 31 mm 92 
11. Mohnia exquisita typical, Dali, alt. 27 mm 92 
12. Mohnia rohusta Dali, alt. 33 mm 91 
Figures 6, 7, and 9 drawn by the late Doctor J. 0. McConnell, the others 
by Miss Evelyn Mitchell. 
Plate 11. 
Figuke 1. Trichotropis kroyeri, Philippi, alt. 30 mm 149 
2. Trichotropis (Iphinoe) coronata Gould, alt. 24 mm 149 
3. Volutomitra alaskana Dali, alt. 43 mm 87 
4. Alectrion (Schizopyga) californiana Conrad, alt. 33 mm 102 
5. Neptunea pacifica Dali, alt. 24 mm 110 
6. Turris {Aforia) circinata Dali, alt. 85 mm. Note the anterior 
sulcus in the outer lip 68 
7. Suavodrillia kennicottii Dali, alt. 21 mm 69 
8. Tritonalia interfossa Carpenter, typical ; alt. 21 mm 108 
9. Amphissa columhiana Dali, dwarfish northern form, alt. 22.5 mm_ 105 
10. Amphissa versicolor incisa Dali, alt. 13 mm 105 
11. Neptunea tenuisculpta Carpenter, frilled form, alt. 19 mm 111 
12. Neptunea tenuisculpta Carpenter, typical, alt. 22 mm 111 
All these figures drawn by the late Doctor J. C. McConnell. 
Plate 12. 
Figure 1. Buccinum oedematum Dali, alt. 56.2 mm 99 
2. Buccinum eugrammatum Dali, alt. 55.5 mm 98 
3. Buccinum rondinum Dali, alt. 18 mm 99 
4. Plicifusus elaeodes Dali, alt. 54 mm. (Japan, extralimital?). 
5. Cryptoconus trem^perianus Dali, alt. 64 mm 68 
6. Buccinum sigmatopleura Dali, alt. 59 mm 100 
7. Latisipho jordani Dali, alt. 45 mm 96 
8. Volutopsius limatus Dali, not quite mature, alt. 52 mm. (Japan). 
9. Buccinum orotundum Dali, alt. 60 mm 99 
10. Mohnia corhis Dali, alt. 30 mm 91 
11. Mohnia siphonoidea Dali, alt. 37 mm 92 
12. Buccinum fucanum Dali, alt. 45 mm 100 
All these figures drawn by Miss Evelyn Mitchell. 
Plate 13. 
Figure 1. Neptunea multicostata Eschscholtz, alt. 27 mm 110 
2. Iseliea fenestrata Carpenter, alt. 6 mm 155 
3. Murex (Triremis) santarosana Dali, lat. 28 mm 106 
4. Murex {Triremis) santarosana Dali, alt. 45 mm 106 
5. Murex (Pteropurpura) carpenteri Dali, alt. 54 mm 106 
6. Neptunea seitula Dali, alt. 40 mm 109 
7. Metzgeria ealifornica Dali, alt. 14 mm 88 
8. Neptunea smithi Dali, alt. 40 mm 111 
9. Tritonalia interfossa alpha Carpenter, alt. 25 mm 108 
10. Acirsa borealis Beck, alt. 23 mm 114 
11. Opalia varicostata Stearns, alt. 60 mm. (fossil). 
12. Tritonalia lurida aspera Carpenter, alt. 18 mm 107 
Figures 3, 4, and 6 drawn by Miss Evelyn Mitchell, the others by the 
llate Doctor J. C. McConnell. 
