60() 



Index. 



Archinacella? deformala, 522, 523, 530, 

 534, 535. 536, 552, 561, 562 

 propria, 512, 536, 537, 541, 552, 



575 

 robusta, 536 

 Ardeida-, 454 

 Argya ru'ula, 462 

 Arilus cristatus, 206 

 Arionellus pustulatus, 329, ^57, 358, 



380 

 Aronia arbutifolia, 475 

 Arthropoda, 330 

 Asaphidre, 335 

 Asaphiscus wheeleri, 409 

 Asaphus alpha, 341, 342, 514, 515, 519, 



520, 522, 524, 529, 535, 537 

 beta, 341, 342, 513, 514, 515. 5l6> 



529- 530. 542 

 canalis, 329, 342, 379, 3S0, 503, 



558 

 expansus, 346 

 gamma, 341, 342, 514 

 kowalewskii, 345 

 marginalis, 32S, 339, 379, 380, 533, 



542, 555 



obtusus, 381 



platycephalus, 329, 381 



scutalis, 346 

 Ascodictyon stellalum, 81, 151, 159 

 Asopinre, 188 

 Aspidereles beeclieri, 178 

 Astur tachiro, 455 



tachiro orienticola, 495 



tachiro tachiro, 495, 496 

 Athyrid;c, 81. 

 Athyris fultonensis, 156 



lamellosa, 418 



spiiiferoides, 82, 151, 155, I57> if^5 

 Athysanaria, 222 

 Alhysainis curtisi, 223 



exiliosus, 222 



extrusus, 223 



]ilutoiiius, 223 



striolus, 223 



vaccinii, 223 

 Atkinson, Dr. I). A., 390, 392, 397, 402 

 Atlantosaiirus Beds, 431 

 Atry])a reticularis, 82, 151, I55» ^^3 

 Atrypidiv, 81 

 Atynina castanea, 212 



inornata, 212 



querci, 212 

 Aulacizes irrorata, 219 

 Aulocostethus marmoratus, 185 

 Aulopora serpens, 150, 158 

 Autodetus lindstnemi, 8l, 150, 159 



sp. ? 150 

 Avcbury, Lord, 447, 452 



Aviculopecten exacutus, 152, 170 



princeps, 152, 170 



scabridus, 152, 170 



utahensis, 425 



weberensis, 425 

 Baena callosa, 178, 182 



hatcheri, 181, 182 



marslii, 181, 182 

 lialdy Mountain, Montana, 418 

 Ball, E. I)., 184 

 Ball, Sir Robert S., 449 

 Banasa calva, 188 



dimidiata, 188 

 Bartonius, 435, 437 

 Basi-hyal bone of mastodon, 464, 465 

 Bathyurellus abruplus. 337 



brevispinus 337, 338, 379, 545 



formosus, 337, 338, 379 



minor, 338, 379 



validus, 338 



sp. ? 337, 377 

 Bathyurus angelini, 328, 335, 378, 380, 



3^^^ 555- 55^. 57> 55^ 559, 



560, 561 

 caudatus, 558 

 extans, 378 

 sjiiniger, 554 



. «P? 335, 555 

 liatis senegalensis, 458 

 Bayfield, Admiral H. W., 350, 5S1 

 Baza verreauxi, 455 

 Bear Creek Canon, Montana, 412 

 Bed-bug, 207 



Beecher, C. E., 79, 175, 177, 178, 499 

 Bellerophon leda, 152, 172 

 Belonochilus numenius, 192 

 Belostomatida;, 208 

 Belt Formation, Montana, 413 

 Belt Terrane, Montana, 414 

 Benacus griseus, 208 

 Berytidte, 191 

 Berytinre, 191 

 I Beyrichia cla\ igera. 560, 561 



clavigera clavifracta, 560, 561 



kolmodini, 152, 174 

 Bias musicus, 458 

 Bibliography of Chnzy Trilobites, 380-3S4 



of Chazy Formation, 579-596 

 l^ig F!elt Mountains, Montana. 41 1 

 Big lilackfoot Valley, Montana, 41 1 

 Bighole River, Montana, 428 

 Bigsbv, Dr. T. I., 583 

 Billings, F:ikanah, 328, 383, 584, 5S5, 



586 

 F^ilHngsella, 563 

 Birds, .\nthony Collection of, 2 

 Birds of F'rie and Presque Isle, 2 

 Birds of New Zealand, 430 



