404 
EXPLANATION OF PLATES: 
FIGURE. 
. Bullia (Pseudostrombus) polita, Linn. Senegal, . 
. Bullia callosa, Gray. Habitat unknown, 
80. Bullia (Molopophorus) striata, Gabb. Cretaceous, Cal., 156 
81. Nassa mutabilis, Linn. Mediterranean, . 156 
82, 83. Nassa ( Arcularia) thersites, Brug. Indian Ocean, . 157 
84. Nassa (Natia) glabrata, Sowb. W. Africa, 157 
85. Nassa ( Alectrion) glans, Linn. Philippines, 157 
86, 87. Nassa (Zeuxis) canaliculata, Lam. Philippines, . 157 
88. Nassa (Aciculina) maculata, A. Ad. Philippines, 158 
89. Nassa (Phrontis) luteostoma, Br. et Sowb. Panama, . 158 
90. Nassa (Hebra) muricata, Quoy. Philippines, 158 
91. Nassa ( Hima) Tritoniformis, Kiener. Philippines, 158 
92. Nassa (Niotha) Kieneri, Desh. Singapore, . 158 
93. Nassa (Tritia) trivittata, Say. United States, 158 
94. Nassa (Ilyanassa) obsoleta, Say. United States, 158 
95. Nassa (Ptychosalpinx) scalaspira, Conr. Miocene, Va., 159 
96. Nassa (Paranassa) granifera, Conr. Tertiary, Virg.,. 159 
97. Nassa (Tritiaria) peralta, Conr. Miocene, Virginia, . 159 
98, 99. Neritula neritea, Linn. Mediterranean Sea, . 169 
100. Desmoulea abbreviata, Gmelin. Cape of Good Hope, 160 
1. Turbinella pyrum, Linn. Ceylon, 161 
2. Turbinella (Caricella) praeetenuis, Conr. Eocene, Asli 161 
3. Vasum cornigerum, Lam. Philippines, . 161 
PLATE 53. 
4. Cymbium proboscidale, Lam. W. Coast Africa, . 162 
5. Melo tessellata, Lam. Indian Ocean, ; . 162 
6. Voluta musica, Linn. West Indies, . 168 
7. Voluta (Harpula) vexillum, Lam. Indian Ocean, tos 
¥. Voluta (Fulgoraria | rupestris, Gmel. China, . 164 
9. Voluta : Vespertilio) vespertilio, Linn. Philippines, . 164 
10. Voluta (Aulica) imperialis, Lam. Philippines, . 164 
11. Voluta (Amoria) undulata, Lam. Australia, . 164 
12. Voluta (Alcithoé) Pacifica, Sol. New Zealand, . 164 
13. Voluta (Cymbiola) ancilla, Sol. Patagonia, . 164 
14, 15. Voluta (Volutella) angulata, Swains. Patagonia, 164 
16. Voluta (Psephza) concinna, Brod. Japan, . 165 
17. Voluta (Ausoba) cymbiola, ‘Sowb. Moluccas, 165 
18. Voluta (Volutilithes) abyssicola, Ad. et Reeve. Cape 
of Good Hope; ‘ ~ £65 
19. Voluta (Volutoconus) coniformis, ‘Cox. Australia, . 165 
20. Voluta (Callipara) bullata, Swains. So. Africa, deal ins) 
21. Voluta (Mamillana) mamilla, Gray. Australia, . 165 
22. Lyria Delessertiana, Petit. Madagascar, ced I nig 
23. Lyria (HEneta) harpa, Barnes. WwW. Coast Cent. Amer., 167 
24, 25. Microvoluta Australis;-Angas. - Australia; . 167 
