List of Illustrations xxiii 



PAGE 



Edward Waller Claypole -og 



Carlos Berg ^^^ 



Edgar R. Waite ^^^ 



Felipe Poey y Aloy , j , 



L^on Vaillant .j, 



Louis DoUo .J, 



Decio Vinciguerra . j , 



Bashford Dean .j- 



Kakichi Mitsukuri .j- 



Carl H. Eigenmann .^j 



Franz Hilgendorf .j- 



David Starr Jordan .21 



Herbert Edson Copeland ^21 



Charles Henry Gilbert ^21 



Barton Warren Evermann 421 



Ramsay Heatley Traquair 425 



Arthur Smith Woodward 425 



Karl A. Zittel 425 



Charles R. Eastman 425 



Fragment of Sandstone from Ordovician Deposits 435 



Fossil Fish Remains from Ordovician Rocks 436 



Dipteriis valenciennesi 437 



Hoplopteryx lewesiensis 438 



Paratrachichthys prosthemius, Berycoid-fish 439 



Cypsilurns heterurus, Flying-tish 440 



LutianidcB, Schoolmaster Snapper 440 



Pleuronichlhys decurrens, Decurrent Flounder 441 



Cephalaspis lyelli, Ostracophore 444 



Dinichtkys intermedius, Arthrodire 445 



Lamna cornubica, Mackerel-shark or Salmon-shark 447 



Raja stellulata, Star-spined Ray 448 



HarrioHa raleighiana, Deep-sea Chimaera 449 



Dipterus valenciennesi, Extinct Dipnoan 449 



Holoptychius giganieus. Extinct Crossopterygian 451 



Platysomus gihbosus, Ancient Ganoid-fish 452 



Lepisoslens platystomus. Short-nosed Gar 452 



Palceoniscum macropomum, Primitive Ganoid-fish 453 



Diplomyslus humilis, Fossil Herring 453 



Holcolepis lewesiensis 454 



Elops saurus, Ten-pounder 4S4 



Apogon semilineatus, Cardinal-fish 455 



Pomolobus (BStivalis, Summer Herring 455 



Bassozetus cate?ia 45^ 



Traduce phalus uranoscopns 456 



CMarias breviceps, African Catfish 457 



