678 



AMERICAN MUSEUM OF NATURAL HISTORY 



Doryichthys, 375 

 " Dotterkern," 529 

 " Dotterorgan," 411 

 " Dotterstrang," 413 

 Double embryos, 413 

 Double monstrosities, 604, 



605 

 Dour, 531 

 Dove Marine Laboratory, 



469 

 Dover, 537 

 Drag seine, 463 

 Dragonet — see CalUony- 



Dredging, 476, 477 



" Drehkrankheit," 549 



Drepanaspid^, 663 



Drepanaspis, 663 



Drugs, 552, 553 



Drumfish — see Pogonias 



Drying, 468 



Dseha R., 422 



Dublin, 518 



Ductless glands, 597, 605, 

 606 



Ductus Cuvierii, 391 



Ductus cysticus, 512 



Ductus endolymphaticus, 

 380 



Ductus pneumaticus, 363, 

 364 



Duero R., 449 



Duisburg, 447 



Dumbleton, 535 



Duna R., 450 



Dunbar Marine Hatchery, 

 482, 561 



Dunedin, N. Z., 480 



Duodenal segment, 366 



" Duplicities," 604, 605 



Dura Den, 532 



Dutch East Indies, fauna, 

 454 f . ; fisheries, 488 

 palseontology, 538, 542 

 ■pisciculture, 570; poison- 

 ous fishes, 574 — see also 

 East Indies 



Dutch Guiana, fauna, 434, 

 435; fisheries, 479 



Ttuymaeria, 393 



Dwarf fishes, 498, 602 



Dynamite, 488, 489 



Dynamometer, 601 



Eagle Rays — see Mylio- 

 batidse 



Ear, morphology, 379 f. ; 

 membranous labyrinth, 

 380, 501, 502; of deep- 

 sea fishes, 396; functions, 

 501, 502; otoliths, 527; 

 parasites, 549 



"Ear stones," 527 



Earlston, 532 



Earthquakes, 516 



East Friesian Is., 446 



East Indies, 508, 582; in- 

 dustries, 465, 466, 568; 

 fishing, 489, 490 — see 



• also Dutch East Indies 



Eastbourne, 442 



Easter I., 456 



Ebro R., 452 



Ecbasis captivi, 505 



Ecca shales, 532 



Echeneididse, 593, 657 



Echeneis, 394, 399, 459, 493, 

 657; adhesive disk, 362; 

 symbiosis, 395; fishing 

 with, 490; shipholder 

 myth, 521 



Echidion — see Fierasfer 



Echinorhinus, 368, 385, 524, 

 612; occurrence, 619, 620 



Echinorhynchus (parasite) , 

 546 



Ecology, 394, 405 f., 498, 

 552; deep-sea, 396 



Ectoderm, 362, 412, 509, 

 510, 586, 589, 607 



Ectoparasites, 543, 544, 

 545, 550 



Ecuador, 434 



Edestida;, 618 



Edestus, 618 



Edinburgh, 467, 518 



Eel R., 427 



Eels — see Anguillidae; 



Electric Eel — see Gym- 

 notus 



Eggs — see Ova and Ovum 



Egg-cases, 52S, 602 



"Egg-cells," 547, 602 



Egypt, 372, 468, 504, 521; 

 fauna, 421; fisheries, 475; 

 palteontology, 536, 538, 

 540, 542 



Eiohstadt, 536 



Eifel chalk, 532 



Einsiedel, 565 



Eisleben, 534 



Elacate — see Rhachicentron, 

 415, 652 



Elacatidse — see Rhachicen- 

 tridae 



Elasmobranchii, 616-621; 

 abdominal pores, 361, 

 362; head cavities, 362; 

 anatomy, 368; in aquaria, 

 373; auditory organs, 

 380; blood, 383; brain, 

 385, 386, 387; circulation, 

 390, 391, 392; dentition, 

 397 f.; fossil forms, 398, 

 616; dermal skeleton, 

 400, 402; embryology, 

 410, 411, 412, 413, 414; 

 eye, 418; fins, 458, 459, 

 460, 461; gustatory or- 

 gans, 498; size, 498; 

 habits, 499; heart, 502, 

 503; lateral line, 511; 

 liver, 512; myology, 519, 

 520; nervous systeru, 522, 

 523, 524, 525, 526, 527; 

 ova and ovum, 528, 529; 

 pancreas, 543 ; pectoral 

 girdle, 550; pelvic girdle, 

 551; reproduction, 580, 

 581; respiration, 583, 584, 

 585; skeleton, 588, 589; 

 skull, 593; spermato- 

 genesis, 596; suprarenals, 

 597, 598; thymus glands. 



605; thyroid gland, 606; 

 urinogenital system, 608; 

 vertebral column, 611, 

 613 



Elastic fibers, 502 



Elastic tissues, 587, 588 



Elastica externa, 611 



Elastica interna, 611 



Elba I., 448 



Elbe R., 446, 483, 563 



Elbeuf, 518 



Electric Rays — see Torpe- 

 dinidse 



Klectrical fishes, 406, 407, 

 408, 586, 601; electrical 

 organs, 388; color, 392; 

 medical use, 408, 514; 

 effect of curare, 553 



Electro-cardiography, 601 



Electrolysis, 407 



Electrophorus, 634 — see also 

 Gymnotus 



Eleotridin^, 657 



Eleotris, 374, 577 



Ellice Is., 456 



Elobey I., 422 



Elopidse, 594, 625 



Elops, 625 



Elver — see Anguilla, 639 



Embiotocidas, 409, 582, 583, 

 651 



Embryology, 383, 406, 

 408 f., 413 f., 417, 418, 

 494, 520, 575, 580, 581. 

 585, 588, 599, 609, 628; 

 circulation, 389, 390, 601, 

 603 ; double embryos, 

 412; fins, 458, 459, 461; 

 head, 500; yolk-sac dis- 

 ease, 549; foetal mem- 

 branes, 581; food, 581, 

 582; respiration, 583, 584; 

 skull, 591 f. ; twin em- 

 bryos, 604, 605 



Emden, 484 



Emotions, 381 



Ems R., 483 



Enamel, 397, 399, 400, 401 



Encheliophis, 572, 643; 

 adult form, — see Fier- 

 asfer 



EnchodontidEe, 641 



Encyclopedias, 494, 495 



End-organs, 526, 586 



Endocardium, 502 



Endolymph, 380 



Endoparasites, 545 



Endoskeleton, 457, 458, 

 587-590, 593 



Endothelium, 389, 390 



Engano I., 456 



Engelsberg, 568 



Engelstein, 567 



England, 468, 506, 516, 

 548, 576; fauna, 441, 

 442; fisheries, 462, 469, 

 471, 472, 473, 474, 481; 

 markets, 468; museums, 

 518; palaeontology, 531, 

 532, 533, 534, 535, 537, 

 539, 542; fishes intro- 

 duced, 556, 557, 558, 



