REFERENCE TO PLATES. 



PLATE 1. 



FIGURE. PAGE. 



1-3. Testacella Maugei,Fer. Fer.Hist., t.8,f. 10, 10a, 12, 8 

 4-6. Testacella episcia, Bourg. Spicil. Conch. ,t. 13, f. 1-3, 8 

 7, 8. Testacella Company onii, Dnpuy. Moll. France, t. 



i f q o 



J. -L O O 



9-11. Testacella Pascal!, Bourg. Ann. Malac., t. 5, f. 1, 



. 



T" 



12, 13. Testacella bisulcata, Risso. Gassies, Monog., t. 2, 



f ^ Q 



A *J * t/ 



14,15. Testacella Fischeriana, Bourg. Spicil., 1. 13, f. 5, 6, 9 

 16, 17. Testacella Williamsiana, Nevill. Zool. Proc., t. 13, 



f. 1, 1880, ........ 9 



18, 19. Testacella Dikrangensis, Austen. J. A. Soc. Ben- 



gal, xlv, t. 8, f. 7, . . . . . .11 



20-22. Testacella Bourguignati, Massot. Ann. Malac., t. 



^ f 7 Q Q 



' ' ^ i * I i/ + u 



23-28. Testacella haliotidea, Drap. Fer. Hist., t. 8, f. 5, 



O o t/ JL \J 



29-31. Testacella scutulum, Sowb. (= haliotidea). Gen. 



Shells, f. 4-6, ........ 10 



32-34. Testacella Sevvaini, Massot. Ann. Malac., t. 5, f. 



13,14,17, . ..... 10 



35, 36. Testacella trigona, Gassies et Fischer (= haliotidea). 



Gassies, Monog., t. 2, f. 6, 9, . . . . . 10 

 37, 38. Testacella drymonia, Bourg. Spicil. Malac., t. 13, 



f. 11, 12, ........ 10 



39, 40. Testacella Brondeli, Bourg. Spicil. Malac., t. 13, 



JL JL TIT J. 9 A v 



41, 42. Testacella Pecchiolii, Bourg. Spicil. Malac., t. 13, 



I. "', "Aj ......... 11 



43, 44. Testacella Beccarii, Issel. Bull. Mai. Ital., i, t. 6, 



i. , '* ^ ......... li 



PLATE 2. 



45, 47. Daudebardia rufa, Drap. Rossmassler, i, t. 2, f. 39, 12 



48, 49. Daudebardia Sardoa, Issel. Rossmassler, vii, t. 91, 



f i rmq 1 *7 



J.*J.t/Ot/* *-! 



(324) 



