EXPLANATION OF PLATES. 427 



6T. Chiton (Pterocliiton) eburonicus, Uyckholt. Carbon- 

 iferous, Belgium, ....... 339 



68, 69. Chiton (Cymatochiton) Loffcusianus, King. Per- 

 mian, England, ........ 340 



70. Chiton (Gryphochiton) prisons, Munster. Carboniferous, 



Belgium, ......... 339 



71. Chiton (Leptochiton) cancellatns, Sowb. England, . 340 



72. Chiton (Trachydei-mon) ruber, Lowe. England, . . 340 



73. Chiton (Callochiton) laevis, Mont. England, . .341 



74. Chiton (Leptoplax) coarctatus, Sowb. Philippines, . 341 



75. Chiton (Chsetopleura) Peruvianus, Lam. Peru, . . 341 



76. Chiton (Ischnochiton) longicymba, Blainv. Australia, 341 



77. Chiton (Stenoradsia) Magdalensis, Hinds. California, 340 



78. Chiton (Callistoplax) retusus, Sowb. China Seas, . 342 



79. Chiton (Ceratozona) Guildingii, Rve. W. Indies, . 342 



80. Chiton (Tonicia) elegans, Fi-embly. Valparaiso, Chili, 343 



81. Chiton (Francisia) spinosus, Brug. Australia, . . 343 



83. Chiton (Crjqjtochiton) Stelleri, Midd. Sitka, . .346 



84. Chiton (Choneplax) striatus, Sowb. Australia, . . 346 

 88. Chiton (Dinoplax) gigas, Chemn. Cape of Good Hope, 343 



95. Chiton (Chitonellus) fasciatus, Quoy. Australia, . 346 



96. Chiton (Stenoplax) liraaciformis, Sowb. Peru, . . 342 



Plate 86. 

 82. Chiton (Onithochiton) Lyelli, Sowb. Pitcairn's IsL, . 345 



85. Chiton (Nuttallina) scabra, Reeve. California, . . 344 



86. Chiton (Lorica) cimolius, Reeve. Australia, , . 344 



87. Chiton (Enoplochiton) Coquimbensis, Frembly. Chili, 344 



89. Chiton ( Euplaciphora) petholatus, Sowb. Australia, . 345 



90. Chiton (Mopalia) Blainvillei, Brod. Lobos Is., Pern, . 345 



91. Chiton (Katherina) tunicatus, Wood. Sitka, . . 345 



92. Chiton (Amicula) Pallasi, Midd. Siberia, . . . 346 



93. Chiton (Chlamydochiton) amiculatus, Pallas. Boreal 



Seas, .......... 346 



94. Chiton (Acanthopleura i spiniger, Sowb. Philippines, 343 



97. Firola Quoyana, d'Orb. So. Atlnntic 0., . . . 349 



98. Firola (Firoloides) Gaimardi, d'Orb. N. Atlantic 0., 349 



99. Carinaria fragilis, Bory. Mediterranean, . . . 349 

 100. Carinaria vitrea. Lam. Indian Ocean, . . . 349 



1, 2, 3. Cardiopoda placenta, Eyd. Atlantic 0., . . 350 

 4, 5. Atlanta turriculata, d'Orb. S. Atlantic 0., . . 350 

 6, 7. Oxygyrus Keraudrenii, Rang. S. Atlantic 0., . 351 



Plate 87. 

 8, 9. Brownia Candei, d'Orb. Cuba, . . . .208 

 10, 11. Ethella Macdonaldi, A. Ad. Anstralia, . .203 



