REFERENCE TO PLATES. 251 



PLATE 66. 



FIGURE. PAGE. 



11-13. Dolabella ecaudata Rang. After Rang, 157 



14. Dolabella californica Stearns, diagram of the mantle cav- 

 ity, the dorsal slit indicated by dotted lines. Pilsbrv, 



del., ".150 



15-18. Dolabella californica Stearns. Pilsbry, del., .... 159 



PLATE 67. 



17, 18. Dolabella californica Stearns, teeth. Pilsbry, del., . .150 

 19,20. Dolabrifera swiftii (? =ascifera Rang). Pilsbry, del. 125 

 21-25. Dolabrifera ascifera Rang, teeth. After Bergh, . . .117 

 26. Phyllaplysia lafonti Fisch., teeth. After Mazzarelli, . . 132 

 27-30. Dolabrifera hollbolli Bgh., teeth. After Bergh, . . .127 



PLATE 68. 



31-34, 36. Runcina coronata Quatref. After Vayssiere, . . 172 



35. Runcina coronata Quatref. After Quatrefage? 172 



37-41. Runcina coronota Quatref. After Alder & Hancock, 172 

 42, 43. Runcina prasina Morch. After Bergh, 173 



PLATE 69. 



44. Umbraculum mediterraneum Lam. After Vayssiere. . .179 



45. Umbraculum mediterraneum Lam., (head). After Vays- 



siere, . 179 



46. Umbraculum mediterraneum Lam. After Philippi, . . 179 

 47-49. Umbraculum mediterraneum Lam. Ross, del., . . . 179 



50, 51. Ildica nana Bergh, shell. After Bergh, 174 



52, 53. Ildica nana Bergh, from right side and above. After 



Bergh, 174 



54, 55. Ildica nana Bergh, dentition. After Bergh, .... 174 



56. Ildica nana Bergh, penis. After Bergh, 174 



57. Ildica nana Bergh, stomach plates. After Bergh, . . .174 



PLATE 70. 



58-60. Umbraculum sinicum Gmel. Zool. Bonite, 180 



61. Umbraculum ovalis Cpr. Conch. Icon., 177 



62. Umbraculum corticalis Tate. After Tate, 183 



PLATE 71. 



63-65. Umbraculum sinicum Gmel. Ross, del., 180 



66, 67. Haliotinella montrouzieri Souv. Journ. Conch., . . .210 

 68, 69. Bertinia bertinia Jouss. Bull. Soc. Zool. Fr., 1883, t. 



10, f. 6,8, 189 



