Acantherpestes, 458. 
Acanthocaris, 450. 
Acanthograptus, 391. 
Acanthospongia, 446. 
Acentrotremites, 448, 449. 
Acidaspis, 404. 
Acrothele, 412. 
Acrotreta, 412. 
Actinoceras, 421. 
Actinostroma, 398, 428. 
Adiantites, 427, 4412. 
®glina, 404, 407. 
Aganacanthus, 462. 
Agelacrinites, 449. 
Aglaia, 451. 
Agnostus, 404. 
Alcicornopteris, 437. 
Allogecrinus, 448. 
Ambonychia, 417, 461. 
Amphigraptus, 391. 
Amphipora, 428. 
Amplexopora, 398. 
Ampyx, 404. 
Amyelon, 437. 
Ancylus, 451. 
Annularia, 437. 
Anomalocystites, gor. 
Anthodiopsis, 443. 
Anthracosaurus, 464. 
Anthrapalemon, 451, 457- 
Aptychopsis, 404. 
Arabellites, 402, 450. 
Araucarites, 437. 
Araucaryoxylon, 427, 437. 
Archzocalamites, 437. 
Archzopora, 457. 
Archzoptilus, 459. 
Archidesmus, 430. 
Archipolypoda, 458. 
Arenicolites, 402. 
Argillecia, 451. 
Arpoxylon, 442. 
Asaphus, 404, 455, 4j6. 
Ascoceras, 419. 
Ascodictyon, 411, 457: 
Asphidodus, 463. 
Asplenites, 443. 
Asterocalamites, 437. 
Asterophyllites, 437, 438. 
Astrocrinites, 448. 
Astrocrinus, 448. 
Astromyelon, 437. 
Atelocystites, 401. 
Athyris, 412, 431. 
Atrypa, 412, 413, 415, 416, 431, 
433. 
Aulacorhynchus, 460. 
1 IN| 19) 1D o-6 MA) 
AOE EWEN DD iexe 
Avicula, 461. 
Azygograptus, 391. 
Bairdia, 451, 452, 455. 
Barrandia, 404. 
Bellerophon, 419. 
Berenicea, 457. 
Bernix, 452. 
Berwynia, 389. 
Beyrichella, 452. 
Beyrichia, 404, 405. 
Beyrichiopsis, 452. 
Bifidia, 431. 
Blatta, 459. 
Blattina, 459. 
Bollia, 405. 
Bornia, 437. 
Brachymetopus, 452. 
Brodia, 459. 
Bronteopsis, 405. 
Bronteus, 405. 
Bruckmannia, 438, 444. 
Bryograptus, 391. 
Bythocypris, 452, 453. 
Bythocythere, 453. 
Bythrotrephis, 389, 437. 
Calamites, 437. 
Calamocladus, 438. 
Calamopora, 429, 447. 
Calamostachys, 438. 
Calcisphera, 464. 
Callopora, 398. 
Calopteris, 442. 
Calostylis, 399. 
Calymmatotheca, 438, 475. 
Calyptograptus, 391. 
Campophyllum, 428. 
Carbonia, 453. 
Cardiocarpon, 438. 
Carpolithes, 438, 441, 443. 
Carteria, 397. 
Caryocaris, 405, go8, 409. 
Casuarinites, 437. 
Catillus, 46z. 
Caulopteris, 438, 443. 
Centronella, 431. 
Cephalograptus, 391. 
Ceramopora, 457. 
410, 453. 
Ceratosolen, 427. 
Cheetetes, 429. 
Characodus, 462. 
Cheirurus, 406. 
Chondrites, 402, 438. 
Ceratiocaris, 405, 406, 407, 408, 
Chonetes, 431, 460. 
Cladograptus, 395. 
Clathrodictyon, 390, 398, 428. 
Clathrograptus, 392. 
Climacograptus, 392, 794. 
Clonograptus, 392. 
Codaster, 448. 
Codonaster, 448. 
Codonites, 479. 
Ceelacanthus, 262. 
Cenograptus, 394. 
Colpocaris, 409. 
Conchicolites, 402. 
Confervites, 438. 
Conoceras, 420. 
Conoecoryphe, 406. 
Conophrys, 406. 
Conostoma, 439. 
Cordaites, 439. 
Cornulites, 402. 
Corynoides, 392. 
Crania, 413, 4z5. 
Crossochorda, 439. 
Crossopodia, 439. 
Cryphiolepis, 462. 
Ctenodus, 462. 
Ctenograptus, 392. 
Cultellus, 417. 
Cyatheites, 439. 
Cyathophyllum, 399, 428. 
Cybele, 407. 
Cyeadites, 459. 
Cyclocarpus, 439. 
Cyclonema, 418. 
Cyclopyge, 407. 
Cyclostigma, 427. 
Cyclus, 453. 
Cynopodius, 462. 
Jyphaspis, 407. 
Cypricardia, 433. 
Cypridina, 407. 
Cypridinella, 453. 
Cypris, 452. 
Cyprosina, 430. 
Cyprosis, 407. 
Cyrtia, 413, 431. 
Cyrtoceras, 420, g2z. 
Cyrtograptus, 392. 
Cythere, 407, 408, 453, 454. 
Cytherella, 454. 
Dactylotheca, 439. 
Dadoxylon, 437. 
Darwinula, 454. 
Dawsonia, 392. 
Dayia, 413, 416. 
30 
Desmidopora, 398. 
Dicellograptus, 393. 
Dichograptus, 392, 397. 
Dicksonites, 439. 
Dicranograptus, 393. 
Dictyograptus, 793. 
Dictyonema, 393. 
Dictyophyton, 390, 
Dictyopteris, 439. 
Dictyothalmus, 439. 
Didymograptus, 393, 397. 
Dimorphicrinus, 449. 
Dimorphograptus, 393. 
Dindymene, 407. 
Dinobolus, 413. 
Diodontopsodus, 462. 
Dionide, 407. 
Diplograptus, 397, 392, 393, 3945 
395. 
Dipterocaris, 407. 
Discina, 413. 
Discinocaris, 407. 
Discopora, 411. 
Dithyrocaris, 454. 
Doryderma, 446. 
Dysidea, 446. 
Edraxylon, 439. 
Elonichthys, 462. 
Emmelezoe, 407, 408. 
Encrinurus, 408. 
Endoceras, 427. 
Entoblattina, 459. 
Entomidella, gos, 408. 
Entomis, 408. 
Entomostraca, 407. 
Eophyton, 389. 
Eremopteris, 439- 
Euctenius, 462. 
Eunicites, 402, 450. 
Euphoberia, 458. 
Eurymetopus, 408. 
Eurypterus, 454. 
Eusphenopteris, 445. 
Favosites, 399, 447. 
Fenestella, 411, 458. 
Filicites, 442. 
Fistulipora, 399, 447- 
Flabellaria, 739. 
Fucoides, 438, 443. 
Ganopristodus, 462. 
Geodia, 446. 
Girvanella, 390. 
