754 



INDEX 



Rhipidistia, 477 n. 



Rhizodontidae, 478, 202 



Rhizodopsis, 479, 228 ; R. sauroides, 



skull, 478 

 Rhizodus, 478, 202 

 Rhodeus, 582 ; R. amarus, 584 ; ovidnc:il 



tubes, 408 ; embryos in gill -cavities of 



Unio, 416 

 Rhodichthys, 712 

 Rhodosoma, 73 ; R. calli'n* 1 , 72 

 Rhombatractus, 639 

 Rhomboidichthys, 687 

 Rhombosolea, 687 

 R/wmbus, 687, 264 ; R. aculeatus, 262 ; 



R. maximus, 264, 275 see also Psetta 

 Rhyacichthys, 689 

 Rhynchobatus, 460 

 Rhynclwbdella, 717 

 Rhynchodus, 4^8 

 Rhypticus, 660 

 Ribbon-Fish, 715, 152, 160 

 Ribs, 205 

 Ridevvood, 542 n. 

 Rita, 588 ; R. crucigera, 303 

 Ritter, 8 n., 39, 83, 690 n. 

 Riculus, 616 

 Recklings, 649, 288 

 Kohde, 113 

 Rohteichthys, 582 

 Rolph, 113 

 Rondeletia, 614 

 Rosette-organ, 97 

 Roule, 38 



Rowntree, 579 u., 621 n. 

 Rudder- Fish, 643 

 Ruvettus, 679 

 Ryder, 711 n. 



Saccarius, 720 



Sacchi, 696 n. 



Saccobranchus, 588, 590 ; air-sacs, 295 ; 

 S. fossilis, 295 ; S. singio, 295 



Saccodon, 576 



Saccopharyngidae, 603 



Saccopharynx, 604 5 S. ampullaceus, 

 604 



Sachs, 581 n. 



Sagemehl, 542, 573, 575, 579 n., 586 n., 

 649 n. 



Sagenodus, 507 



Sail-Fishes, 679 



Salanx, 566 



Salarias, 709, 710 



Salensky, 39, 411 



Salminus, 575 ; S>. orbignianus, 578 



Salnw, 565, 566 f., 667/290; pyloric caeca, 

 275 ; spiracles in the embryo, 283 ; 

 psetidobranch, 284 ; S. alpinus, 567 ; 

 S. fario, 567 ; caudal portion of the 

 vertebral column, 237 ; pectoral girdle, 

 240 ; dissection to show the internal 

 organs, 256 ; brain, 375 ; section of the 



eye, 394 ; S,fontinalis, 567 ; X. (V/V/r.s, 

 567 ', S. salar (Salmon), 567, 323 ; skull, 

 211 f., 212, 213, 214 ; kidneys, gono- 

 ducts, and abdominal pores in the 

 female, 405, 406 ; deposition of eggs, 

 415 ; length of hatching, 417 ; A'. 

 salrelinus, pectoral fin, 243 ; <S'. stom- 

 achicus, gizzard, 260 ; <S Y . trutta, 567 



Salmon, 566 f. see also Salmo salar 



Salmonidae, 565, 544, 269 ; distribution, 

 566 ; liver, 272 ; abdominal pores, 402 ; 

 oviducts, 405 ; eggs, 411 



Salmopercae, 620 



Salpa, 101, 36, 37 ; arrangement of 

 zooids, 102, 103 ; structure, 104, 105 ; 

 alternation of generations, 105 ; develop- 

 ment and life-history, 106 ; classifica- 

 tion, 108 ; S. democratica-iiiin'riuiiilii. 

 young, 107 ; S. liexagona, 106 ; .s*. 

 pinnata, endostyle and stolon, 103 ; N. 

 runcinata- fusiform is, 102, 108 see 

 also Gyclosalpa, I as is, Peg fa, and 

 Tlialia 



Salpians, 64 



Salpidae, 101, 39, 110 



Salvelinus, 567 



Sand-Eel, 639, 275 



Sander, 659 



Sarcodaces, 575 



Sarda, 678 ; .S'. orientalis, caudal fin of, 

 675 



Sardine, 564 



Sardinioides, 611 



Sardinius, 611 



Kargus, 665 



Sars, G. 0., 21, 23 



Sars, M., 21 



Saurenchelys, 601 



Saurida, 611 



Saurie, 638 



Saurocephalus, 561 



Saurodon, 561 



Saurodontidae, 561, 544 



Saurogobio, 582 



Sauropsida, 145 



Saurus, 611 



Saury Pike, 411 



Savi's vesicles, 384 



Savigny, 36 



Saw-Fishes, 457, 459 



Scabbard-Fish, 679 



Scales, 185 f. ; Acipenser ruthenuK, 187 ; 

 Antennarius hispidus, 191 ; Halistes 

 capriscus, 191 ; Centriscus scolopax, 190 : 

 Hypostorna commersonii, 192 ; Lepi- 

 dosteus, 188 ; L. ossens, 186 ; M<ma- 

 canthus scopas, 191 ; Salmo fario, 190 ; 

 as an index of age, 191 



Scapa>wrhynchus, 453 



Scaphirhynchus, 495 ; S. plati/rhynchus, 

 495 



Scaridae, 674, 651, 654 



