List of Illustrations xxv 



PAGE 



Chlamydoselachus angnineus, Frill-shark 525 



Heterodontus jtancisci. 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 delabcchei 528 



Fin-spine of Hybodus basanus .' 528 



Fin-spine of Hybodus reticulatiis 528 



Fin-spine of Hybodus eanaliculatus 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 eontortus 531 



Mitsukurina owstoni, Goblin-shark 53S 



Scapanorynchus leuisi, Under Side of Snout 536 



Tooth of Lamna cuspidata 537 



Isuropsis dekayi, Mackerel-shark 537 



Tooth of Isuriis hastalis 538 



Carcharodon megaodon 539 



Cetorhinus maximus, Basking-shark 540 



Caleus zyopterus, Soup-fin Shark S4i 



Careharias lamia, Cub-shark S42 



Teeth of Corax pristodontus S43 



Sphyrna zygana, Hammer-head Shark S44 



Squalas acanthias, Dogfish 54S 



Etmopterus lucijer S46 



Brain of jMonkfish, Squatina squatina 547 



Prisliophorus japonicus, Saw-shark 548 



Pristis pectinatus, Sawfish 55° 



Rhinobatus lentiginosus, Guitar-fish 55^ 



Raja erinacea, Common Skate 55^ 



Narcine brasiliensis, Numbfish 553 



Teeth of Janassa lingucejormis 554 



Polyrhizodus radicans 555 



Dasyatis sabina, Sting-ray 55^ 



Aetobatis narinari, Eagle-ray 55^ 



Manta birostris, Devil-ray or Sea-devil 559 



Skeleton of Chimara monstrosa 5^4 



Chimara colliei, Elephant-fish 505 



Odontotodus schrencki, Ventral Side 57° 



Odonlotodus schrencki, Dorsal Side 57° 



Head of Odonlotodus schrencki, from the Side 57i 



Lwiidus polyphemus, Horseshoe Crab 572 



Lanarkia spinosia 5 ' ■+ 



Drepanaspis gmundenensis 575 



