conspersus, Arnoglossus, 179 

 laterna, 179 



— Pleuroncctes , 178 

 constellatus, Bothus, 221, 232, 2 a 



— Platophrys, 232 



cooperi, Metoponops, 139, 140 

 corallinus, Samaris, 409 



— Samariscus, 407, 409, 410 

 coreanicus, Paralichthys, 84 



— Paralichthys olivaceus var., 84 

 cornuta, Parophrys, 319 



— Platessa, 317, 319 

 cornutum, Syacium, 153 

 cornutus, Citharichthys, 140, 153 



— Heteroprosopon, 319 



— Pleuronickthys, 317, 3t9 



— Rhomboidichthys, 153 

 Cranium, asymmetry of, 10-13 

 Crested Flounder, 202 

 cris/a/KS, Lophorhombus, 202 



— PUuronectcs, 268 



— Rhombus, 269 



— Samaris, 402, 403, 404, 405, 406 

 Crossolepis, 199 



— brevirictis, i()g 

 Crossorkombus, 172, 173, io<(. 217 



— azureus, 217, 219 



— dimorphus, 218, 219 



— valde-rosiratus, 217, 218 

 crossoius, Citharichthys, 159 



— Citharichthys crossotus, 159, r6o 



— Etropus, 154, 157, 158, 159 

 crumenalis, Pelecanichthys, 252 

 ctenosqiiamis, Pseudorhombus, 90, 101 



— Spinirhombus, 8g, loi 

 cuspidatus, Pleuronectes , 224 

 Cyclops, Platessa, 264 



— Pleuronectes, 263 

 Cyclopsetta, 62, 134, 139 



— chittendeni, 135, 136, 137 



— fimbriata, 135, 137 



— maculifer, 135, 138, 139 



— panamensis, 135, 137, 138 



— ^Mfir«fl, 135 

 Cynjcog/ossMs, 355 



— bathybius, 361 



— microcephalus, 357 



— pacificus, 36a 

 Cynogiossa, 355 



— microcephala, 356 

 cynoglossa, Platessa, 364 



— Solea, 364 



Cynoglossids, 4, 9, 14, 18, 20, 30, 35, 36, 37, 56 

 cynoglossus, Glyptocephalus, 364, 365, 366 

 X Pleuronectes platessa, hybrid, 354, 366 



— PUuronectes, 288, 289, 355, 356, 362, 364 

 Cynopsetta, 294 



— dubia, 301 



Dab, 23, 26, 334 



— Alaska, 336 



— Lemon, 356 



414 



Dab, Long Rough, : 



— Rough, 297 



— Rusty, 338 



— Sand, 296 



— Smear, 356 

 dalgleishi, Arnoglossu 



— Trichopsetta, 19. 

 darwinii, Oncopteru 

 debilis, Anticithartts, 194 



— Arnoglossus, 175, 194 

 decurrens, Pleuronichthys, 14, 317, 318 

 Deep Flounder, 108 



Deep-water Flounder, qs 

 delagoensis, Samaris, 402, 405 

 Delothyris, 164 



— pellucidus, 165, 166 

 dendritica, Ancylopsetta, 124, 125 



— Pseudorhombus, 125 



— Ramularia, 125 

 Dental formula, 51 

 dentata, Cheznopsetta, 74 



— Platessa, 294, 296 



— Pomatopsetta, 297 

 dentatus, Hippoglossoides, 296 



— Paralichthys, 24, 70, 72, 73, 74, 75, 7G 



— Pleuronectes, 72 



— Pseudorhombus, 71, 7: 

 dentex, Hippoglossus, 58 

 Dentition, see Teeth 

 Dermal lobe, 18 

 Development, 30-33 

 Dexistes, 46, 285, 347, 362 



— kitaharo', 362 



— nkuzeniits, 347 

 diagrammus, Bothus, 435 



— Pleuronectes, 328, 329 

 Diamond Flounder, 316 

 diaphanus, Bothus, 223 



— Pleuronectes, 178 



— Rhombus, 224 



dignabilis, Pseudopleuronectes, 345, 347 

 dilecta, Ancylopsetta, 126 



— Notosema, 124, 126 

 Dimorphism, sexual, 33-35 

 dimorphus, Crossorkombus, 218, 219 



— Platophrys, 217 



dinoccros, Citharichthys, 140, 144 

 diplospilus, Pseudorhombus, 89, 93. 04 

 Distribution, geographical, 48-50 ; of post- 



74. 77 



33 



diurus, Scophthalmus, 378 

 Dollfusina, 173 



— rueppellii, 184 



Dorsal tin, anterior extension of, 14, 15 

 40 



— tentacle, 30 

 Drepanopsetta, 294 



— platessoides, 296, 297, 298 

 dubia, Cynopsetta, 301 

 dubiosa, Monolene, 164, 165 



dubius, Hippoglossoides, 294, 295, 301 



— Hippoglossoides elassodon, 301 



