INDEX 
Page numbers referring to descriptions of fossils are printed in black face type. 
Abdomen, 59-68 
Acerata, 147, 152 
Adams, Frank D., acknowledgments to, 
8; mentioned, 405 
Adelophthalmus, see Eurypterus 
Agassiz, Alexander, cited, 14, 82, 348, 434 
American Museum of Natural History, 
acknowledgments to, 7 
Ami, cited, 357 
Amiella ornata, 406 
Anatomy, 23 
Andes, 16 
Anthraconectes, 17, 28, 69, 70, 94, 95, IIT, 
128, 134, 150, 159, 217, 218, 219-22, 
425 | 
mazonensis, 219, 426 © 
See also Eurypterus 
Apus, 41, I12 
Arachnida, 138, 147, 148, 149, 385 
Argyroneta aquatica, 83 
Artemia, 112 
Arthrophycus cf. harlani, 419 
Arthropoda, 397 
Asaphus, 39 
Australia, 95 
Balfour, Francis M., cited, 143, 434 
Banks, R. W., cited, 432 
Barkentin, George S., illustrations by, 8 
Barrande, Joachim, cited, 95, 433 
Barrell, Joseph, cited, 110, 439 
Bassler, R. S., acknowledgments to, 7 
Beecher, C. E., cited, 17, 19, 49, 81, 90, 
120, 147, 148, 152, 278, 279, 282, 284, 
292, 311, 438 
Belgium, 95 
Belisarius xambeui, 400 
617 
Beltina danai, 85, 385-86 
Bembycosoma, 18, 132 : 
Bennett, Lewis J., collection, 6, 10; men- 
tioned, Io! 
Bernard, H. M., cited, 137, 148, 437 
Bertie, 10 
Bertie waterlime, I0, 20, 32, 89, 91, 92, 
93, 95, IOI, 108, 113, 161, 172, 180, 430 
Beyrichia, 100 
Bibliography, 432-39 
Billings, cited, 350, 356 | 
Billingsley, mentioned, 87 
Bionomic relations, 85-113 
Bishop, Irving P., acknowledgments to, 
8; cited, 437 
Bohemia, 95 
Brachiospongia tuberculata, 325 
Brauer, Aug., cited, 57, 143, 144, 145, 437 
Braun, Fred, acknowledgments to, 8; 
mentioned, 9, 10 | 
Brayman shale, 99 
Breger, C. L., cited, 438 
Brodie, P. B., cited, 433 
Buffalo, 6, 15, 16, 105, 108, 114 
Buffalo Cement Company, Io 
Buffalo cement quarries, specimens from, 
6 | 
Buffalo pool, 10, 92, 93 
Buffalo Society of Natural 
acknowledgments to, 7 
Buffalo waterlime, analysis of, Io 
Bunodes, 20, I12 | 
Buthus, 393 
australis, figure, 142, 399 
Sciences, 
Callinectes hastatus, 49, 75 
figures, 52, 119 
Calymmene blumenbachi, 99 
