INDEX VII 



Page 



Gypidula (Sieberella) coeymanensis 172 



conis 4 



marionensis 14, 15, 89, PI. 16, Pig. 7 



mineolaensis 22, 90, PI. 23 



multicostata 90, 167, 191, PI. 48 



(Lieberella) pseudogaleata 172 



H 



Halysites catenularius 171 



Hamilton rocks 24 



Haragan shale 175 



Helderberg in Arbuckle Mts 169, 171 



Dalhousie, N. B 169, 171 



Gaspe, Quebec 169, 171 



relation of, to Bailey limestone 166, 167, 168, 171 



Little Saline limestone 213, 214, 215 



Ste. Genevieve Co 169, 171 



"Western Tennessee • • ■ • 169, 171 



Heliophyllum 132 



Hemitrypa mineolaensis 22, 29, 70, PI. 9, 10 



tenera 70 



Heterotrypa undata .' 215, 22k, PL 58 



Hindia fibrosa 167, 1 76, PI. 40 



Homalonotus sp 131 162 



Hormotoma maia 278 



Hovey, E. O. , acknowledgments to .' x 



Hyde, J. E., acknowledgments to x 



Hydrozoa 56 



Hyolithes cf. oxys 261, PI. 69 



Hypothyris gregeri 91, PI. 17 



I 



Igoceras conicum 278 



Illinois, Cooper seas 13 



Illustrations, List of vi 



Introduction ix 



Iowa, Cooper limestone 13 



J 



Jefferson City formation, relation of, to Callaway limestone 27, 32 



Cooper limestone 13 



Devonian 5 



Mineola limestone 18 



Joachim limestone, relation of, to Callaway limestone 32 



Devonian 5 



Mineola limestone ' 18 



Sylamore sandstone .* 7 



K 



Keyes quoted 24 



Kimmswick limestone, relation of, to Callaway limestone 32 



Cooper limestone 13 



Mineola limestone 18 



Sylamore sandstone 7 



Kinderhook, relation of, to Black shale 8 



Kindle, E. M., acknowledgments to x 



Kloedenia manliusensis 173 



sussexensis 174 



L 



Leiopteria cf. dekayi 131, 153, PI. 36 



Leptaena rhomboidalis 35, 167, 170, 186, 232, PI. 46 



ventricosa 216, 220, 231, PI. 61 



Leptaenisca adnascens 172, 189, 190' 



concava , 167, 189, PI. 47 



tangens " 189, 190j 



