650 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [148] 
PLATE XXIV. 
Fic. 66. Pleurotoma Dalli, enlarged two diameters. ° 
Fic. 66a. The same. Side view of the anterior whorls, enlarged two diameters. 
Fic. 67. Pleurotomella Agassizii V., enlarged two diameters. 
Fig. 68. Pleurotomella Bairdii V. Female, enlarged one and one-half diameters. 
Fic. 69. Pleurotomella Pandionis V., enlarged one and one-half diameters. 
Fig. 70. Pleurotomella Benedicti V. & S., enlarged three diameters. 
Fig. 70a. The same. To show nuclear whorls, enlarged twenty-two diameters. 
Fic. 71. Plewrotomella Sandersoni V., enlarged six diameters. 
Fig. 71a. The same. ‘To show nuclear whorls, enlarged twenty-two diameters. 
Fig. 72. Pleurotomella Saffordi V. & S., enlarged four diameters. 
Fig. 73. Plewrotomella bandella, enlarged four diameters. 
Fig. 74. Pleurotomella Emertoni V. & S., enlarged three diameters. 
Fig. 68 was drawn by Ensign W. E. Safford, U.8.N. The others, by J. H. 
Emerton. : 
