kkfkrence to i'lates. 183 



Plate 53. 



figure. page. 



1-3. Patella ferruginea (J inel. Original, . . . .81 



4. Patella caerulea v. spinulo.sa. Original, . . . .84 



6. Patella caerulea v. tarentina. Original, . . . .84 



7-11. Patella cferulea v. lowei Orb. Original, . . .84 



Plate ~)4. 



12, 13. Patella can-ulea v. crenata Orb. Moll. Can., . . 84 



14. Patella cperulea v. crenata Orb. Original, . . .84 



15, 16. Patella baudoni Drt. Moll. A9ores, . . .86 

 17, 18. Patella ca?rulea v. goniesii Drt. Moll. Acores, . . 86 



Plate 55. 



19-21. Patella safiana Link. Deless. Rec, . . . .90 

 22-24. Patella candei Orb. Moll. Can. and C. Icon., . . 86 



Plate 56. 



25, 26, 26. Patella conspicua Ph. Abbild., (^safiana Lmk.) 90 

 27, 28. Patella caerulea v. moreleti Drt. Moll. Acores, . 85 



29-31. Patella guttata Orb. Moll. Can., . . . .88 



Plate 57. 



32. Patella lugubris Gm. Conch. Icon., . . . .90 



33-35. Patella lugubris. Original, . . . . .90 



36, 37. Patella plumbea v. canescens Rv. Conch. Icon., . 91 



38, 39. Patella plumbea Lmk. Original, . . . .91 



40-43. Patella vatheleti Pils. Original, 92 



Plate 58. 



40, 41. Patella neglecta Gray. Original, . . , .95 

 42, 43. Patella rangiana Val. Nouv. Arch., . , . .89 



44. Patella argenvillei Kr. Original, 95 



45. Patella moreli Dh. Moll. Reun., 98 



Plate 59. 



46. Patella levata Dh. Moll. Reun., 98 



47-49. Patella pica Rv. Original, 97 



50-55. Patella barbara L. Original, 96 



Plate 60. 



56-58. Patella barbara v. ovalis Pils., 97 



59-61. Patella funebris Rv. Conch. Icon., . . . .98 



