bicoloratus, Karcius, 385 



— Flatichthys, 376, 385 



— Pleuronectes, 385 

 hUyclophorus, Paralichthys, 70, 78 

 bilineata, Lepidopsetta, 329, 330, 33- 

 X Flatichthys stellatus, hybrid, 375 



— Platessa, 330 

 bilineatus, Pleuronectes, 330 



biscayensis, Arnoglossus latertui tnicrosloma form., 



170 

 Black Flounder, 429 

 Black Sea Turbot, 268 

 bleekcri, Arnoglossus, 208 



— Boihus, 222, 235, 236 



— En^yprosnpon, 204, 208 

 Bloch's Topknot, 280 

 Body, asymmetry of, i')-22 

 bogdanovi, Pleuronectes, 378, 381 



— Pleuronectes flesus, 378, 381 

 bollmani, Hippoglossina, 66, 68 

 hoops, Arnoglossus, 175, 196 



— Caulopsetta, 196 



— Pseudorhombus, 195, 196 

 Boopsetta, 387 



— maculosa, 390, 392 



— pmlonga, 390, 391 



— umbrarum, 387, 391, 392 

 borealis, Lepidorhombus megastoma, 273 



— Pleuronectes, 350 

 boscii, Arnoglossus, 274 



— Hippoglossus, 274 



— Lepidorhombus, 272, 274, 275 



— Pleuronectes, 274 



— Rhombus, 274 



Bothidae, 56, 60 ; classification of, 38, 41, 43 

 Bothin^e, 35, 36, 38, 39, 171, 172 ; distribution, 



48, 49. 50 

 Boihus, 0, 169, 172, 173, 220, 229, 240, 244, 262 ; 

 colour changes, 21 ; cranium, 11 ; dorsal 

 tentacle, 30, 32 ; in Middle Eocene, 9 ; larva;, 

 31-33; migration of eye, 15; olfactory 

 lamina;, 41, 42 ; sexual dimorphism, 33, 

 34, 35 



— aspilus, 187 



— assimilis, 222, 239 



— atlanticus, 222, 223 



— bleekeri, 222, 235, 236 



— brevirictis, 199 



— circularis, 239 



— cocosensis, 204 



— constellatus, 221, 232, 233 



— diagrammus, 435 



— diaphanus, 223 



— cllipticus, 221, 229, 230 



— elongatus, 189 



— imperutlis, i8i 



— intermedius, 198 



— leopardinus, 221, 231, 232 



— lunatus, 221, 226, 227 



— maculatus, 271 



— maculiferus, 221, 228, 229, 230 



— maotictts, 268 



172. 221, 230 



Boihus 



hybridus, 266 



— mellissi, 221, 226 



— microstoma, 219 



— mogki, 207 



— myriaster, 222, 235, 236, 237, 239 



— nebularis, 223 



— ocellatus, 221, 222, 223 



— ovalis, 222, 235, 236, 238, 239 



— pantherinus, 221, 233, 234 



— podas, 34, 221, 223, 224, 229 



— pcecilurus, 210 



— polylepis, 241 



— polyophthalmus, 245 



— polyspilus, 190 



— profundus, 201 



— punctatus, 435 



— rhomboides, 224 



— rhombus, 269 

 hybridus, 266 



— rumulo, 220, 223 



— tapeinosoma, 185 



— lappa, 175 

 Bowenia, 429, 432 



— nov£B-zeelandi(E, 429, 431, 432 

 bozzianum, Amphistium, 10 

 Brachypleura, 399, 400 ; pectoral arch, pelv 



bones, 40 



— novcE-zeelandics, 400 



— xanthosticta, 400 

 Brachyprosopon, 355 

 Brain, asymmetry of, 14 

 Branchiostegal rays, 18, 19 

 brasiliensis, Hippoglossus, 77 



— Paralichthys, 70, 71, 77 



— Pseudorhombus, 77 



— Xystreurys, 121 

 Breathing, see Respiration 

 brevipinnis, Ammotretis, 420, 421 

 brevirictis, Arnoglossus, 199 



— Boihus {Arnoglossus), I99 



— Crossolepis, 199 



— Psettina, 199 

 Brill, 268, 426 



— X Turbot, hybrid, 266 



cacatutE, Arnoglossus, 405 



— Samaris, 402, 405 

 ccsruleo-oculea, Platessa chinensis var., 63 

 California " Sole ", 307, 328 

 californica, Uropsetta, 8r 

 californicus, Hippoglossus, 69, 81 



— Paralichthys, 69, 70, 71. 81, 82 



— Pseudorhombus, 81 

 calimanda, Pleuronectes, 278 

 callarias, Gadus, 5 



camtchaticus, Hippoglossus hippoglossus, 293 

 catuiidissimus. Rhombus, 178, 224 

 caninensis, Pleuronectes flesus, 378, 381 

 Cape Scald-fish, 183 

 capensis, Arnoglossus, 174. 183 



