INDEX 



Page Diimbers referring tf> descriptions of fossils are printed in black face type. 



Acrotreta, 739. 



Actiuozoa, 532. 



Aglaopheuia, 588. 



Allman, G. J., cited, 461, 474, 477, 524, 

 544, 574, 575. 



America, graptolite beds, 488. 



Ami, H. M., cited, 463, 471, 472, 490, 580, 

 585, 589, 621, 623, 633, 651, 656, 660, 

 669, 672, 690, 710, 713, 715, 739. 



Amphigraptus, 544, 571, 701. 



Anthozoa, 577. 



Antisicular end of rhabdosome, 484. 



Antisiculaseite, 484. 



Apertural margin, 486. 



Apertural spine, 486. 



Aperture, 486. 



Ardennes, graptolite fauna, follotcing 

 p.503. 



Arenig, graptolite fauna, 505, 507,651,687, 

 following p.503 ; lower, 580, 587, 610, 

 669, 729; middle. 580. 585. 610, 673, 

 675 ; upper, 675, 690, 693, 720. 



Arkansas, graptolite fauna, 505, 507, 656, 

 715, 720, 729, 731, following p.503. 



Arme, 484. 



Australia, graptolite fauna, 471, 488, 503, 

 505. 507, 621, 633, 651, 660, 743-46, fol- 

 loit-ing p.503. See also Victoria. 



Axonolipa, 487, 488, 514, 515, 516, 518, 519, 

 522, 523, 526, 527, 529, 535, 536, 537, 539, 

 546, 547, 548, 570, 571, 573, 577, 612-718 ; 

 synoptic table of range of genera, 508; 

 connection with Axonophora, 550. 



Axonophora, 483, 487, 488, 499, 514, 515, 

 518, 525, 526, 528, 529, 530, 535, 536, 539, 

 546, 547, 548, 551, 552, 553, 570, 571, 572, 

 574, 575, 718-34 ; synoptic table of range 

 of genera, 508; connection with Axo- 

 nolipa, 550. 



Azygograptus, 536, 568, 624. 

 lapworthi, 555. 

 suecicus, 555. 



Ballantrae, Scotland, graptolite fauna, 646, 



669, 687. 

 Barrande, J., cited, 459, 467, 468, 469, 472, 



479, 484. 

 Barrois, C, cited, 464, 471, 495, 647, 657, 



673, 691. 

 Basal cyst, 488. 

 Beck, cit^d, 467. 

 Beekmantown beds, 585, 611, 715, 737, 738, 



740, following p.503. 

 Belgium, graptolite fauna, 505, 507, 602, 



636, 637, folloimng p.503; Dictyonema 



zone, 492; Tetragraptus zone, 495. See 



also Huy-Statte. 

 Bellerophon oehlerti, 691. 

 Bendigo series, 744, 746. 

 Billings, cited, 470, 495, 589, 651, 656, 710, 



folloimng p.503. 

 Bohemia, graptolite fauna, 467, 469, 470, 



471, 477, 489, 502, 505, 507, 660, 691, 



folloxcing p.503 ; St Anne zone, 498. 

 Bornholm. graptolite fauna, 602, following 



p.503 ; Dictyonema zone, 492. 



