REFERENCE TO PLATES. 



PLATE 1. 



FIGURE. PAGE. 



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

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

 7,8. Testacella Companyonii, Dupuy. Moll. France, t. 



l,f. 3, . . .8 



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



3,4, 



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



f. 5, .9 



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. 



5, f. 7-9, . . .9 



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



6,8,9, ... 10 



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



Shells, f. 4-6, .10 



32-34. Testacella Servaini, 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, 



f. 14, 15, 10 



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



f. '20, 21, 11 



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



f.2,4, 11 



PLATE 2. 



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

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



f. 1939, .IT 



(324) 



