ALPHABETICAL LIST OF THE SPECIES OF SCALIDE MENTIONED IN THIS PAPER. 
Acuta, Pfr., No. 29. 
Aculeata, Sowb., No. 7. 
Albida, D’Orb, No. 24. 
Attenuata, Helbl., No. 40. 
Mospila, Morch, No. 31. 
Candeana, D’Orb., No. 29. 
Centiquadra, Morch, No. 9. 
Clathrus, L., No. 25. 
Concinna, Sowb., No. 34. 
Cochlea, Sowb., No. 40. 
Coniferus (Turbo), No. 37. 
Coronata, Lam., 26. 
Crassicosta, Br. Mus., 37. 
Crassicostata, Nyst., No. 37. 
Crassilabris, Sowb., No. 39. 
Crenata, L., No. 31. 
Crenulata, Kien., No. 31. 
Denticulata, Sowb., No. 9. 
Ducalis, Morch, No. 3. 
Eburnea, Pot. and Mich., No. 24. 
Echinaticosta, D’Orb., No. 11. 
Elegans, D’Orb., No. 19. 
Elenensis, Sowb., No. 23. 
Erectispina, Morch, No. 15. 
Fasciata, Sowb., No. 2. 
Filaris, Morch, No. 33. 
Foliacea, Sowb., No. 5. 
Foliaceicosta, D’Orb., No. 7. 
Fragilis, Gray, Hanl., No. 24. 
Fusca, Sowb., No. 33. 
(206 ) 
Gradata, Sowb., No. 20. 
Gradatella, Morch, No. 20. 
Hexagona, Sowb., No. 5. 
Hotesseriana, D’Orb., No. 37. 
Hyalina, Sowb., Nos. 16 and 12. 
Inconspicua, Sowb., No. 34. 
Krebsii, Morch, No. 1. 
Lamellosa, Lam., No. 25. 
Ligata, C. B. Adams, No. 24. 
Micromphala, Morch, No. 16. 
Muricata, Sowb., No. 29. 
Modesta, C. B. Ad., No. 34. 
Nautle, Morch, No. 32. 
Novangliz, Couth., No. 31. 
Novemcostata, Morch, No. 5. 
Obtusa, Sowb, No. 4. 
Occidentalis, Nyst., No. 14. 
Octocostata, Mérch, No. 23. 
Orbignyii, Nyst., No. 19. 
Pallasii, Kien, No. 1. 
Perplexa, Pease, No. 25. 
Pernobilis, Fisch. and Bern., No. 13. 
Pretrosula, Morch, No. 2. 
Principalis, Pallas, Sowb., No. 3. 
Pseudoscalaris, Brocchi, No. 25. 
Quindecimcostata, Morch, No. 17. 
Sezeva, Morch, No. 38. 
