586 

‘% , “< 
Figure 24.—Sipho Stimpsonit, young, x 4, a : o 
Figure 25.—Sipho pubescens, p. 501, young, x 4. ; 
Figure 26.—Calliostoma Bairdii, with animal, p. 530, natural size. 
Figure 27.—Torellia fimbriata, &, p. 520, x 14. 
Figure 27a.—The same, ¢. Radula, x 22. 
Figure 28.—Fossarus latericeus, x 6. 
Figure 29.—Solarium boreale, p. 529, young, x 4. 
Figure 30.—The same. Adult, x 2. 
Figure 31.—Aelis gracilis V., p. 528, x 6. 
Figure 32.—Scalaria Pourtalesii, p. 527, x 2. 
Figure 83.—Scalaria Dalliana, p. 527, x 4. 
Figure 34.—Scalaria Leeana, p, 526, x 4. 
Figure 35.—Scalaria ( Opalia) Andrewstt, p. 526, x 4. 
Figure 36.—<Aelis Waller, p. 528, x 6. 
Figure 37.—Margarita regalis, p. 530, x 2- 
Figure 38.— Margarita lamellosa, p. 530, x 6. 
Figure 39.— Cyclostrema Dallé, p, 532, x 8. 
Piate LVIII. 
Figure 1.—Sipho glyptus V., p. 505, the shell. Enlarged 14 diameters. 
Figure la—The same. Apical whorls, enlarged. 
Figure 2.—Astyris diaphana V., p. 513, x 3. 
Figure 3.—Lamellaria pellucida, var. Gouldii V., 4, p. 518, ventral view of the living 
animal, x 14. 
Figure 4.—Zamellaria pellucida V., & , p. 518, ventral view of the living animal, x 14. 
Figure 5—The same. The shell, front view, x 2 
Figure 5a.—The same. Part of ecoh, much enlarged. 
Figure 6.— Cingula harpa V., p. 523, the shell, x 6 
Figure 7.—Assiminea Grayana Teta: p. 525, dorsal view of the animal and shell, 
much enlarged. 
Figure 8.— Truncatella truncatula, p. 525, dorsal view of the living animal, enlarged. 
Figure 8a.—The same. Adult shell, with truncated apex, x 4. 
Figure 8).—The same. Young shell, x 4. 
Figure 9.—Buectnum Sandersont V., p. 490, apical whorls, x 
Figure 10.—Buecinum undatum Linné. Apical whorls, x 4. 
Figure 11.—Buceinum cyaneum Brug., p. 492, apical whorls, x 4. 
Figure 12.—Nassa nigrolabra V., p. 512, the shell, x 8 
Figure 13.—Aclis striata V., p. 528, the shell, x ¢ 
Figure 14.— 7wrbonilla Hmertont V., p. 536, the shell, x 6 
Figure 14a.—The same. Apical whorls, x about 30. 
Figure 15.—Turbonilla Rathbunit V. and S., p. 536, the shell, x 3. 
Figure 16.—Turbonilla Bushiana V., p. 537, the shell, x 3 
Figure 17.—Menestho sulcata V. The shell, x § 
Figure 18.— Budimella Smithii, p. 538, the shell, x 4. 
Figure 19.—Aelts tenuis V., p. 528, the shell, x 7. 
Figure 20.—Eulima intermedia, p. 535, the shell, x 6 
Figure 21.—Aeteon nitidus V., p. 540, the shell, x 4. 
