i MM. \N \ i IMS .,i i-i :;il 



PLATE 81, 



!. Chiton PUftidU D.'-h. Moll. K.'iiri., . . 186 

 8, ( 'liiton lyratns Sowb. C-.nch. Iron 184 



37, 38. Chiton anguttiooftatai Q. v -1 187 



:;., in. Chiton mftorititnafl Voy, Voy. Astro].. . . 188 



II, I'J. Chiton oaptMisis Gray ( nigroviivns I>lv.). Conch. 

 Icon., ...... . 



43. Chiton cymbiola So\\l>. ( tulipa (,).). Conch. Icon., 



44, 46, 47. Chiton tulip* Quoy. KOSH del., . . . .185 



46. Chiton tulipa Quov. Voy. Astrol. 185 



48, 49. Chiton cymbiola Sowb. (^tulipa Q.) ... 185 



PLATE 32. 



50. Chiton patulus Brod. (stokesii Brod.). Conch. Icon., !;."> 

 51-52. Chiton stokesii Brod. Pilsbry del., . . . . I'M 



53. Chiton stokesii Brod. (1 sq. mm. of girdle indicated), 



I'.lsbrydel., 165 



54. Chiton virgulatus Sowb. Conch. Icon., .... IHO 



55. 56. Chiton virgulatus Sowb. Pilsbry del., . . . 166 



57. Chiton albolineatus Sowb. Conch. Illustr., . . . 160 



PLATE 33. 



58, 59, 60. Chiton tuberculatus L. Ross del., . . .153 



61. Chiton tuberculatus var. assimilis Rv. Conch. Icon., . !">"> 



62. Chiton tuberculatus var. assimilis Rv. Ross del., . . 155 



63. Chiton tuberculatus var. assimilis form ater. Ross del., 155 



64. Chiton foveolatus Sowb.) ( viridis Spengl.). Conch. 



Icon., . . . 156 



65. Chiton viridis Spengl. Ross del., !">> 



66 67. Chiton viridis Spengl. Pilsbry del., .... 156 



PLATE 34. 



68. Chiton lievigatus var. arfciculatus Sowb., ventral view. 



Emerton del., 1">9 



69. Chiton laevigatus var. articulatus Sowb. Conch. Icon., . 159 



70. Chiton Isevigatus var. articulatus Sowb. interior. Pilsbry 



del., . . . . . . . . . 169 



71. Chiton Isevigatus Sowb., typical. Conch. Icon., . . 159 



72. 74. Chiton marmoratus Gmel. Ross del., . . .158 



73. Chiton marmoratus Gmel. Conch. Illustr., . . . l.~>s 



75. Chiton marmoratus Gmel., interior. Pilsbry del., . . 1">* 



76. Chiton marmoratus Gmel. Conch. Icon., . . . 158 

 77-79. Chiton canariensis Orb. Moll. Canar., . . .184 



PLATE 35. 



80. Chiton marmoreus Rv. (=squamosus L.). Conch. Icon., 155 



81. Chiton siuamosus L., one-half valve. Pilsbry del., . !">"> 



