REFKRKNCE TO PLATES. 175 



FIGURE. PAGE. 



64, 65. Acmsea atrata Cpr. young. Original, . . .29 



66, 67. Acmrea apicina I)all. Original, . . . .24 



68-70. Acma.>a pediculu.s Phil. Original, . . . .30 



71-73. Acmaea rosacea Cpr. type. Original, . . .21 



74-76. Acrasea triangularis v. casta Cpr. type. Original, . 21 



77, 78. AcmjBa triangularis Cpr. type. Original, . . .20 



79-82. Acmsea filosa Cpr. type. Original 27 



83-85. Acmsea strigatella Cpr. type. Original, . . .27 



Plate 8. 



86, 87. Acmpea pelta v. cassis Esch. Original, . . .17 



88, 89. AcrQcTa pelta v. cassis Esch. Mai. Bl., . . .17 



90, 91. Acnaiea pelta Esch. typical. Original, . . .17 



92-94. Acmaa pelta var. Original, 17 



95. Acrasea pelta ;;/its nacelloides Dall. Original, . .18 



96, 87. Scurria mesoleuca Mke. Original, . . . .64 

 98, 99. Scurria mesoleuca (Patella vesj)ertina Rv.) Conch. 



Icon., 64 



100, 1. Scurria mesoleuca (P. striata Rv.) Conch. Icon., . 64 



2. Scurria mesoleuca. Original, 64 



Plate 9. 



3-5. Acmsea discors Phil. Abbild., 29 



6. Acmsea patina var. pintadina Gld. U. S. Exped., . . 12 



V-9. Acmsea patina var. ochracea Dall. A. J. C., . . 12 



10, 11. Acmsea patina v. fenestrata Nutt. Conch, Icon., . 12 



12-14. Acmsea patina v. fenestrata. Original, . . .12 



15, 16. Acmsea dorsuosa Gld. Chall. Gast., . . .45 



17, 18. Acmsea heroldi v. couulus Dkr. Original, . . 45 



19-21. Acmsea heroldi v. pygmsea Dkr. Moll. Jap., . . 45 



22-24. Acm^a sybaritica Dall. A. J. C, . . . . 22 



25, 26. Acmsea testudinalis L. F. and Hani., . . .10 



27-29. Acmsea testudinalis L. Original, . . . .10 



30. Acmsea concinna Lischke var. Original, , . .44 



Plate 10. 



1-6. Patella vulgata L. Moll. Esp., . . . .82 



7-17. Patella c^rulea L. Moll. Esp., . . . .83 



1 3, 14. Acmsea virginea Miill. Forbes & Hani., . . 9 



Plate 11. 



15-19. Patella lusitanica Gmel. Moll. Esp., . . .87 



20-23. Patella cserulea v. aspera Link. Moll. Esp., . . 84 



24-26. Patella athletica F. & H. (^vulgata) F. & H., . 82 



27-29. Patella cterulea v. lowei Orb. Moll. Guin., . . 84 



