REFERENCE TO PLATES. 



VOL. XIII. 



Plate 1. 

 figure. page. 



1, 2. Acnijea viridula Lm. Concli. Icon., 

 3-6. Acmjea viridula Lni. Original, 

 7-9. Acmiea spectrum Rv. Original, 



10. Scurria zebrina Less. Original, 



11. Scurria zebrina Less. Conch. Icon., 



Plate 2. 



12-17. Acmjea conclnna Lischke. Jap. Meeres-Conchyl., 

 18-20. Acnifea heroldi Dkr. Moll. Jap., 

 21-24. Acmtea schrenckii Lischke. Jap. Meeres-Conchyl. 

 25-28. Acmiea persona Esch. Original, ... 



29. Acmaea persona Esch. (P. oregona Rve.). Conch. Icon. 



30, 31. Acnuea persona Esch. var. Original, 



32, 33. Acmrea patina Esch. (P. nuttalliana Rv.). C. Icon. 

 34-37. Acra?ea ])atina Esch. Original, . . . , 



Plate 3. 



38-40. Acmjea scabra var. limatula Cpr. Original, 

 41. Acmsea scabra Rv. Conch. ]con., 

 42-44. Acniffia scabra Rv. Original, ... 



45-46. Acmjiea scabra var. limatula. Original, 

 47-49. Acmsea scabra var. miirchii Dall. Original, 



50. Acmrea mitra Esch. Original, .... 



51, 52. Acm?ea persona Esch. typical. Mai. Bl., 



53, 54. Acraa^a persona var. digitalis Esch. Mai. BL, 

 55, 56. Acm?ea persona var. digitalis Esch. Original, 



Plate 4. 



32 

 32 

 14 

 62 



62 



44 

 45 

 44 

 15 

 15 

 15 

 11 

 11 



56, 57. Acmiea cubeusis Rv. (melanolenca Rv.). C. Icon., 41 



58-60. Acmaea cubensis Rv. typical. Original, . . 41 



61, 62. Acmsea cubensis var. Original, . . . .42 



63. Acmaea cubensis v. simplex Pils. Original, . . 42 



64, 65. Acmiiea cubensis v. simplex ( leucopleura Rv.). C. Ic, 42 

 66-68. Acmjea cubensis v. simplex Pils. Original, . . 42 

 69, 70. Acmtea cubensis Rv. Conch. Icon., . . .41 



(173) 



