GENERAL INDEX. 77 



AUorisma (Chaenomya?) hybrida M. & W 111,538* 



illfhoiensis Worthen VIII, 132* 



" lata Swall 11,350 



marionensis White VIII,132 



( " ) minnehaha Swall V.588* 



(?) rhomboidalis M. & W V.541 



sinuata M. Ch V.P1. XXII, flg. 2* 



(?) subareuata M. & W in, 538 



subcuneata M. & Hayd 11,350; VIII.133 



sp. indet II, 350* 



Amacanthus St. John and Worthen VI, 464 



gibbosus (N. & W.) VI, 464* 



Amalthea Schumacher ., 111,386 



Amblyptems Agassiz IV.348 



macropterus Ag IV, 348 



Amblysiphonella Stelnman VIII.218 



Ambocoelia Hall II, 155 



( " gemmula M. Ch.) 11,156 



Ambonychia Hall , 111,306, 337, 356 



acutirostris Hall Ill, 356* 



belUstriata Hall 111,307 



casei M, & W 111,337* 



illinoiensis Worthen VI.495* 



intermedia M. & W 111,306* 



mytiloides Hall 111,356 



neglecta M. Ch 111,358 



obliqua M. & W 111,357* 



radiata Hall 111,307 



Ammonites Bruguieres II, 162 



sp. (in the drift) VIII.4 



Amphibamus Cope 11,135 



grandiceps Cope II, 135*,136t 



Amphicoelia Hall 11,339; 111,357 



leidyi Hall 111,358; V.580 



neglecta (M. Ch.) 111,358* 



Amphigenia Hall Ill, 403 



(Amphora sp. Cumberland) 11,209 



Amphoracrinus Austin 11,151, 209 ; V.339,386, 484 ; VIII.96 



( " ) concavus AL &W 11.215 



divergens (Hall) V.387,388* 



inflatus (Hall) V.388 



" jerseyensis Worthen VIII, 96* 



planobasalis (Hall) V.388 



(?) spinibrachiatus (Hall) V, 387,389* 



subturbinatus M. & W II,212*,213t 



trinodus Hall II, 213 



Amplexus Sowerby VIII.82 



geniculatus Worthen VIII, 82* 



Amplexopora Ulrich VIII, 377, 450 



affinis Ulrich VUI.450* 



cingulata Uh-ich VIII, 308t,309t, 377 



pustulosa Ulrich VIII, 451* 



robusta UWch VIII,318t 



. " septosa Ulrich VIII, 451 



superba Foord VIII, 450 



Amplexoporidee Uhrich VLU.342,376 



