Cephalopods, 450. Belemnites, 451. Belemnitella, 457.
Belemnoteuthis, 459. Beloptera, 463. Geoteuthis, 463. Bellerophon
and Argonaut, 465. Fossil Tetrabranchiate Cephalopods, 466.
Nautilus, 467. Clymenia, 473. Orthoceras, 474. Ammonitidæ, 476.
Ammonites, 478. Goniatites, 482. Ceratites, 483. Crioceras, 483.
Ancyloceras, 484. Toxoceras, 485. Hamites, 485. Ptychoceras, 485.
Baculites, 486. Scaphites, 487. Turrilites, 489. Aptychus, 491.
Geological Distribution of the Fossil Cephalopoda, 492. On the
Collecting British Fossil Cephalopoda, 496. British Localities of
Fossil Cephalopoda, 499.