802 



Bashford Dean Memorial Volume 



Sqiuilus acanthUis — (continued) 



embryo, 393, 594, 595, 601, 627, 628, 629, 

 722, 734, 742 

 myomeres, 383 

 somites, 735, 740 

 spiiade, 487, 600 

 fins, 



dorsal with spine, 669 

 pectOTal (embryonic), 595, 601 

 gilis (embryonic), 594, 596, 600, 627, 628, 



629 

 glands, 



follicular, 669 

 of dorsal spine, 669 

 muscles, 389 

 nerves, 



ocdpitospinal, 484 

 spinal, 487 

 Squalus catuJiis, hatching of eggs, 540 

 S. siicJfiii, mesonephric ducts, 444 

 Squatirm, spiracle, 340, 427 

 Stead, D. G., on Chlainydoseladms, 257 

 Steindachner, F., on CUamyioselachus, 248 

 Stensio, E. A., 



on Arthrodira, 126, 146, 184, 187, 206, 208 

 Dinichthys, 148, 176, 178, 187, 188 

 Macropetalidaiiys, 193, 204, 205 

 Ostracoderms, 99 

 Phlyxxaeruispis, 141, 142, 148 

 Stetson, H., 



on Arthrodira, 208 



Dinkhthys, 122, 145, 148, 154, 159, 191, 

 194, 195, 199 

 Stewart, C, on >Jotidanus (Hexanchus) 



giiseus, 488 

 Stockari C. R., on BBdlostoma, 99 

 Stomach, 



ChUmydosehchus, 403H04 

 Heptanchns, 403 

 Striiver, J., on Haerodontus phSlipi, 659, 



666, 671, 672 

 Symmorium reniforme, 372—373 



girdle, pectoral, 372 

 Syncytiuin, 733, 736, 738 

 Synechodus, 696 

 cranium, 701 

 dentition, 697-698 

 spine, dorsal, 69S 

 SynosCeus, 205 



TabHgaw, 664, see Heterodontus fiiSlipi 

 Tail, 



Gestxadontidae, 696 



ChUmydoseUckus, 248, 249, 250, 288, 289, 

 290, 293, 364, 369-370, 624HS25 

 embryonic, 296, 593, 594, 598, 601, 604, 

 607, 611-614, 617, 620-621 

 Heptanckus, 340 

 Heterodontus japonicus, 754 

 embryonic, 741, 742, 744, 746, 754 



Tee-Van, J., see, Beebe, W. 

 Teleostomi, 201, 339 



mouth, 338, 339 



muscle, appendicular, 394 

 Testis, 



Bde]]ostoma, 70, 83-85, 89; lU-i 



Cestraciontidae, 696 



CMamydosehchus, 450 



Hepuinchus maoilatus, 446 



Myxine, 70-75, 77 

 Thacher, J. K., on fin-fold theory, 341 

 Thyroid, see Gland, thyroid, above 

 Titanichthys, 140, 166 

 Torpedo oce]latus, 



blastoderm (disc). 733, 739 



blastula, 731 



gastrula, 734 



nerve, ocdpitospinal, 484 

 Townsend, C. H., on Heterodontus, 683 

 Traquair, R H., 



on Arthrodira, 125, 180, 187, 195, 197, 

 199,200 

 Coccosteus, 143, 168, 169, 176 

 Dinkhthys, 144, 184 

 Phhctaenaspis, 134 

 Trautschold, H. von, on Arthrodira, 197 

 TriaJps semifasciatus, dentition, 345 



Vaillant, L., on Oxyrhina, 576 

 Valendennes, A., on Heterodontus quoyi, 



660, 676, 677 

 V3nWijhe,J.W., 

 on Scyllium, 382, 392 

 Selachii, 391, 742 

 Vertebral column, 



CKjimydoselachus, 363, 364-366, 367, 



368-370, 436 

 Coccostetis, 196, 197 

 Dinkhthys, 196-199 

 Vetter, B., on Heptanchus, 390, 399 

 Viviparity, 



ChUmydosehchus, 298-301, 528, 531-534, 



542, 559 

 development from ovoviviparity, 580 

 Elasmobranchii. 301 

 Ginglymostoma, 533, 580 

 Vitelline circulation, see under Bnbry o above 



Waite, E. R., 



on Heterodontus galeatus, 660, 687, 688, 

 706, 707, 712, 713 

 H. phiUipi, 668, 669, 705, 706, 712 

 Weber, M., on Myxine, 71, 93 

 White, E. G., on CMamydoselachus, 253, 274 

 WHtley, G. P., 



on Heterodontus galeatus, 686,687 688, 717 

 H. phillipi, 660, 669, 710, 712 

 Wilder, B. G., on Ch]amydoselachus, brain, 



473, 474 

 Woodward, A. S., 



on Acanthaspis, 177 

 AcTodus, 697 

 Arthrodira, 125, 163, 180, 187, 197, 199, 



202 

 Cestradontidae, 695, 696, 699 

 Chlamydoselachus, 335, 342 

 Coccosteus, 143, 199 

 Dinkhthys, 122, 170, 173, 184, 192 

 He]5tanchus, 700 

 Hfterodontus, 659 



Hybodontidae, 494, 696, 697, 699, 700. 

 701, 702 

 Wright, A. A., on Dinichthys, 119, 170, 173 

 Wyman, J., on Raia hatis, 621 



Yatsu, N. (artist), 656, 657 

 Yolk, 



blastopore, 



Cryptohranchus, 739 



Heterodontus japonicus, 739, 740, 748, 



749, 750; Vin-iv, Vffl-v 

 cord, 301; VH-n 



mass, 



CWamydoseJachus, 572; VII-v 

 Gi'nglyTnortoma, 577, 579 

 Heterodontus japonkus, 733, 739, 741; 



vm-w, vm-v 



Pristiurus, 748 

 sac, 



Chlamydoselachus, 300, 301, 303, 449 



533, 555-557, 559, 571, 573, 576, 595, 



596, 602, 603, 610, 612-621, 627; 



VU-n 

 Elasmobranchii, 301 

 Heterodontus japonicus, 719, 746, 747, 



752, 756 

 Pristiurus, 756 

 Raja, 756 

 Spinajc, 756 

 stalk, 



Chlamydoselachus, 593, 595, 597, 602, 



603, 605, 610, 612, 614, 615, 618-621 

 Heterodontus japonicus, 741, 744, 745, 



750, 751; Vm-vi 

 Pristiurus, 748 



syncytium, 733, 736, 738 

 vascular system, 



Chlamydoselachus, 620-622; VU-v 



Felichthys, 622 



Ziegler, H. E., 



on Chlamydoselachus, 303, 592, 596, 627 

 Torpedo ocellatus, 733, 734, 739 

 Zittel, K. A. von, 



on Arthrodira, 202, 208 

 Cestraciontidae, 651, 696 

 Heterodontus. 659, 660 

 Hybodontidae, 696 

 Zygaena, 409, 658 

 intestine. 409 



