INDEX 



753 



Pteraspidae, 527, 530 



Pteraspis, 527, 530, 149 ; P.rostratu, 527 



Pterichthys, 534, 149 ; P. miller i, 533 



Pterobranchia, 21 f., 5, 31 



Pterois, 695 



Pterophryne, 720 



Pterophyllum, 672 



Pteroplatea, 464 > f- niicrura, intra- 



uterine nutrition, 4:35 

 Pteropsarion, 582 

 Pteropsaron, 705 

 Pterothrissus, 548 

 Pterycombus, 682 

 Pierygocephalus, 709 

 Pterygoplichthys, 595 

 Ptilichthys, 709 

 Ptychobarbus, 582 

 Ptychodem, 17, 5, 13, 16, 25 n. ; P. 



bahamensis, 5, 10 ; P.fiava, 10, 11 

 Ptychoderidae, 17 

 Ptyctodontidae, 468 

 Ptyctodus, 468 

 Puffers, 726 

 Punnett, 17 n., 21 n. 

 Putnam, 619 n. , 625 

 Pycnodontidae, 498, 497 

 Pycnodus, 498 

 Pycnosterinx, 656 

 Pygochord, 15 

 Pyloric caeca, 274, 275 

 Pyrosama, 91, 91, 36, 37, 70, 86, 108 ; 



structure, 91 f., 92 ; development and 



life-liistory, 93, 94 ; occurrence, 94 ; 



P. akerniosum, 94 ; P. atlanticum, 94 ; 



P. elegans, 94 ; P. excelsior, 95 ; P. 



i/it/foiteum, 94 ; P. minatum, 94 ; P. 



spinosum, 94 



Pyrosomatidae, 91, 81, 110 

 Pyrrhulina, 575 

 Pytlwnichthys, 605 



Quinnat Salmon, 566, 569 



Raad, 591 

 Raconda, 563 



Racovitzaia, 706 



Riiderorgan, 129 



Raffaele, 614 n. 



Rag-Fishes, 644 



Raia, ty'il ; dermal spines, 184 ; pectoral 

 tin, 243 ; teeth, 251 ; spiral valve, 265, 

 266 ; inter-renal bodies, 347 ; electric 

 organs, 365 ; distribution, 461 ; colora- 

 tion, 461 ; sexual dimorphism, 462 ; 

 R. abyssicola, 462 ; R. alba, 46'2 ; /.'. 

 In 1 1 is, 462 ; R. circularis, 462 ; R. 

 clavata, 462 ; R. fullonica, 462 ; R. 

 i/im-i'iirlnpii'lnis, 462 ; R. maculata, 267, 

 462 ; R. mamillidens, 462 ; R. microcel- 

 1'if't; 462 ; R. murrayi, 461 ; R. oxy- 

 //>//// <//'*, 462 ; R. radiata, 462 



Raiidae, 461 



VOL. VII 



Ramsay, 635 



Raniceps, 648 



Ranzania, 727 



Rasbora, 582 



Ratlibmiella, 661 



Rays = jRia, q.v. 



Rectal gland, 276 



Red-currant Squirter, 74 



Red Mullets, 665 



Regalecus, 715 ; R. banksii, prehensile 



tail, 163 ; R. glesne, 715 

 Regan, 542, 595 n., 643 n., 646, 702, 



721 



Reinhardt, 579, 594 

 liemora, 691 ; cephalic sucker, 161 ; R. 



brachyptera, 691 

 Renal organ, of Ascidians, 54 ; of Fishes 



see Kidneys 

 Reproductive organs, of Hemichordata,. 



16, 25 ; of Tuuicata, 55, 67, 76, 93, 97, 



105 ; of Amphioxus, 129 ; of Fishes, 



402 f. , 400, 403 

 Respiration, mechanism of, 288 

 Respiratory organs Elasmobranchii, 276, 



278 ; Cyclostomata, 279, 280, 281 ; 



Holocephali, 282, 283 ; Teleostomi, 282, 



283; Dipnoi, 285, 286; mechanism. of 



respiration, 288 ; larval gills, 289, 290 ; 



air-bladder as a respiratory organ, 291 ;. 



accessory organs of respiration, 292, 



293, 294, 295 

 Retropinna, 566, 565 

 Retzius, 113 



Rhabdocynthia, 75 ; spicules, 87 

 Rliabdopleura, 21 L, 5, 26 f.; R. com- 



pacta, 23 ; R. grimaldii, 23 ; ft. 



manubialis, 23 ; R. normani, 22, 23, 



26 



Rhachicentridae, 677, 676 

 RJiachicentrum, 678 

 RJiamphichthys, 579 

 Rhamphocottidae, 697, 694 

 Rli<iini>li<if<ithtn richardsonii, 697 

 Rhamphognaihus, 640 

 Rhamphosternarchus, 579 ', R. curvirostris, 



580 ; R. tamandua, 680 

 Rhamphosiis, 633 



Rli I mi, Ji'i", : /!. mjiiatina, 456, 457 

 r, 589 

 is, 595 

 s, 611 

 I'Jiiinchthys, 582 

 Rliinidae, 456, 458 ; persistent nephro- 



stomes, 401 



Rhinobatidae, 460, 458 

 I'Jiiiiiiliiitux, .'/>iU ; 7^. granulatus, 460 

 Rhinodon, 4-54 \ R- typicus, gill-rakers, 



287 



Rhinodontidae, 4&4 

 Rliinndoras, 359 

 Rhinogobio, 582 

 Rhinoptera, 465, 466 



3 c 



