KEFERKNCK TO I'LATES. 185 



FIGURE. PAGE. 



17. Helcioni?cus ornatus Dillw. Voy. E. & Ter., . . 137 



20-22. HelcioniscLis ornatus v. incoiispicuus (luctuosa Gld.). 



Expl. Exped., 138 



23,24. Helcioniscus deiiticulatus Martyn. Univ. Conch., . 138 



Plate 69. 



25-28. Helcioniscus radians Gm. Original, . . . 139 



29-31. Helcioniscus radians V. decora Ph. Abbild., , .140 

 32, 33. Helcioniscus radians v. affinis Rv. Conch. Icon., . 140 

 34-36. Helcioniscus radians V. earlii Rv. Original, . .140 

 37. Helcioniscus radians Gni. Original, . . . .139 



58, 39. Helcioniscus radians v. pholidota Le.-=s. (floccata 



Reeve). Conch. Icon., 140 



Plate 70. 



40-42, Helcioniscus illuniinatus Gld. U. S. Exped., . . 142 

 43, 44. Helcioniscus stelliferus Gm. Conch. Icon., . . 141 



45. Helcioniscus stelliferus. Q. & G., 141 



46-48. Helcioniscus olivaceus Hutt. Original, . . . 141 

 49. Helcioniscus traraoserica Mart. Conch. Icon., . . 142 



50-52. Helcioniscus tramoserica Mart. Original, . .142 



Plate 71. 



53-55. Helcioniscus linibatus Ph. Abbild., . . .143 



56. Helcioniscus limbatus Ph. Original, . . . .143 



57, 58. Helcioniscus araneosa Rv. Conch. Icon., . . . 144 



59, 60. Helcioniscus cernicus H. Ad. P. Z. S., . . . 149 

 61, 62. 64. Helcioniscus eucosmius Pils. (variegata Rv.). 



Conch. Icon., 148 



'63. Helcioniscus eucosmius Pils. Original, . . . .148 



Plate 72. 



65-69. Helcioniscus rota Gm. Original, .... 144 



70, 71. Helcioniscus petalata Rv. Conch. Icon , . . . 145 



72, 73. Helcioniscus luzonica Rv. Conch. Icon., . . . 145 



74, 75. Helcioniscus scalata Rv. Conch. Icon., . . . 145 



76,77. Helcioniscus rota v. orientalis. Original, . . . 146 



78-80. Helcioniscus rota ^'. discrepans Pils. Original,. . 146 



Plate 73. 



^1-84. Helcioniscus nigrolineatus v. divergens. Original, . 134 

 85-87. Helcioniscus lineatus Lmk. Deless., . . .153 



88,89. Helcioniscus dirus Rv. Conch. Icon., . . . 153 

 1)0-92. Acmtea araneosa Gld. U. S. Exped., . . .170 



93,94. Acmsea onychina var.noronheusis Smith. Lin.Soc. J., 167 



