List of Illustrations xxv 



PAGE 



Chlamydoselachus anguineus, Frill-shark 525 



Heterodontus jrancisci, Bullhead-shark 526 



Lower Jaw of Heterodontus philippi 526 



Teeth of Cestraciont Sharks. . . ; 527 



Egg of Port Jackson Shark, Heterodontus philippi 527 



Tooth of Hybodus delabechei 528 



Fin-spine of Hybodus basanus 528 



Fin-spine of Hybodus reticulatus 528 



Fin-spine of Hybodus canaliculatus 529 



Teeth of Cestraciont Sharks 529 



Edestus vorax, Supposed to be a Whorl of Teeth 529 



Helicoprion bessonowi, Teeth of 530 



Lower Jaw of Cochliodus contortus 531 



Mitsukurina owstoni, Goblin-shark 535 



Scapanorynchus lewisi, Under Side of Snout 536 



Tooth of Lamna cuspidata 537 



Isuropsis dekayi, Mackerel-shark 537 



Tooth of Isurus hastalis 538 



Carcharodon mega'odon 539 



Cetorhinus maximus, Basking-shark 540 



Galeus zyopterus, Soup-fin Shark 541 



Carcharias lamia, Cub-shark 542 



Teeth of Cor ax pristodontus 543 



Sphyrna zygcena, Hammer-head Shark 544 



Squalas acanthias, Dogfish 545 



Etmopterus lucifer 546 



Brain of Monkfish, Squatina squatina 547 



Pristiophorus japonicus, Saw-shark 548 



Pristis pectinatus, Sawfish 550 



Rhinobatus lentiginosus, Guitar-fish 551 



Raja erinacea, Common Skate 552 



Narcine brasiliensis, Numbfish 553 



Teeth of Janassa linguajormis 554 



Polyrhizodus radicans 555 



Dasyatis sabina, Sting-ray 556 



Aetobatis narinari, Eagle-ray 558 



Mania birostris, Devil-ray or Sea -devil 559 



Skeleton of Chimcera monstrosa 564 



Chinuzra colliei, Elephant-fish 565 



Odontotodus schrencki, Ventral Side 570 



Odontotodus schrencki, Dorsal Side 570 



Head of Odontotodus schrencki, from the Side 571 



Limulus polyphemus, Horseshoe Crab 572 



Lanarkia spinosia 574 



Drepanaspis gmundenensis 575 



