GENERAL INDEX 



Italics refer to synonyms. Roman numerals refer to plate numbers. Arabic 

 numerals refer to pages. 



A 



Acambona, White 448 



Acambona f osagensis 439 



A. prima White 449, LXXVI 



Acanthospira, n. gen 418 



Acanthospira aciculifera (Rowley) 418, XXXV 



Allorhynchus, Weller 197 



Allorhynchus acutiplicatum, n. sp 201, XXIV 



A. heteropsis (Winchell) 197, XXIV 



A. macra (Hall) 199, XXV 



Amboccelia, Hall 423 



Amboccelia levicula Rowley 426, LXXVII 



A minuta White 423, LXXVII 



A. parva Weller 424, LXXVII 



A. unionensis n. sp 425, LXXVII 



A. (Spirifer?) minuta 423 



Athyridae 464 



Athyris, McCoy _ 464 



Athyris ashlandensis ~ 465 



A. corpulenta 495 



A. crassicardinalis White 471, LXXVII 



A. densa Hall 469, LXXVII 



A. hannibalensis (Swallow) 467, LXXVIII 



A. hirsuta 479 



A. incrassatus 465, 475, 477 



A. lamellosa (Leveille) 465, LXXVIII 



A. obmaxima 475 



A. obvia 482 



A. papilioniformis McChesney 468, LXXVIII 



A. parvirostra 481 



A. planosulcata f 481 



A, proutii 471 



A. spiriferoides 468 



A. sublamellosa 482 



A. subquadrata 486, 489 



A. tenuilineata 478 



A. trinucleus 486 



Atremata 33 



Atrypa, Dalman 284 



Atrypa infrequens n. sp 285, XXXV 



A . spinosa 285 



Atrypidae - _ 284 



B 



Brachythyris, McCoy _ 370 



Brachythyris altonensis n. sp - 379, LIX 



B. burlingtonensis n. sp 371, LIII, LXXXIII 



B. chouteauensis Weller - 373, LVII 



B. fernglenensis Weller 372, LII 



B. gurleyi n. sp _ _ 377, LVIII 



B. peculiaris (Shumard) 381, LVII, LVIII, LXXXIII 



B. semiplicata (Hall) 380, LIX 



B. subcardiiformis (Hall) __ 376, LX 



B. suborbicularis (Hall) 374, LXI, LXII 



