REFERENCE TO PLATES, 



VOL. XIII, 

 PLATE 1. 



FIGURE. PAGE. 



1, 2. Acmsea viridula Lra. Conch. Icon., . ... 32 



3-6. Acrnsea viridula Lm. Original, . . . .32 



7-9. Acmsea spectrum Rv. Original, . . . .14 



10. Scurria zebrina Less. Original, . . . .62 



11. Scurria zebrina Less. Conch. Icon., . . . .62 



PLATE 2. 



12-17. Acmsea concinna Lischke. Jap. Meeres-Conchyl., . 44 

 18-20. Acmsea heroldi Dkr. Moll. Jap., . . .45 



21-24. Acmsea schrenckii Lischke. Jap. Meeres-Conchyl. 44 

 25-28. Acrusea persona Esch. Original, ... 15 



29. Aemsea persona Esch. (P. oregona Rye.). Conch. Icon. 15 



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



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

 34-37. Acmsea patina Esch. Original, 



PLATE 3. 



15 

 11 

 11 



38-40. Acimea scabra var. limatula Cpr. Original, . 14 

 41. Acmsea scabra Rv. Conch. Icon., . . . .13 

 42-44. Acmsea scabra Rv. Original, . . . "13 



45-46. Acmsea scabra var. limatula. Original. . . 14 



47-49. Acmsea scabra var. morchii Dall. Original, . 14 



50. Acmsea mitra Esch. Original, 24 



51, 52. Acmsea persona Esch. typical. Mai. Bl., . . 15 

 53, 54. Acmsea persona var. digitalis Esch. Mai. Bl., . 16 



55, 56. Acmrea persona var. digitalis Esch. Original, . 16 



PLATE 4. 



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

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

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



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



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

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

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



(173) 



