INDEX, AND LIST OF FOSSILS 



Which have been described or identified as occurring in the Limestones of the 

 Niagara group in Wisconsin, Illinois and Iowa. Those which have not come 

 under the observation of the writer are marked with an asterisk (*). When 

 described in the present report, the page is referred to in the usual manner. 

 Names in italics are synonimes. 



FORAMINIFERA. 



Page 

 Receptaculites hemisphfericus, Hall, Geol. Report Wisconsin, pa. 16, 1861. 



R. infundibulus. Hall, Id. pa. 16, 1861. 



= R. tessellatus, W. and M. 

 Ischadites tessellatus, W. and M., Memoirs Boston Soc. Nat. Hist., Vol. i, 

 pa. 85, pi. 2, f. 3. 



= Receptaculites infundibulus. 



ZOOPHYTA. 



•Petraia oaMculsi = Streptelasma calicula, Hall, Pal. N. Y., Vol. ii, pa. Ill, 

 pi. 32, f. 1. 



*Zaphrentis turbinatum = Polydilasma turbinatum, Hall, Pal. N. Y., Vol. ii, 



:fk-j pa. 112, pi. 32, f. 2. 



Diphyllum caispitosuni, Hall, Pal. N. Y., Vol. ii, pa. 116, pi. 33, f. 1. 



Favosites niagarensis. Hall, Pal. N. Y., Vol. ii, pa. 125, pi. 34 bis, f. 4 a, 6. 

 = F. gothlandica'? 



F. favosa, Gold. = F. striata? Say, Amer. Jour, of Science, Vol. vii, 



pa. 381. Pal. N. Y., Vol. ii. pa. 126, pi. 34 bis, f. 5. 



Heliolites pj-riformis, Gpett., Pal. N. Y., Vol.'iii, pa. 133, pi. 36 A, f. 1. 



H. macrostylis, Hall, Pal. N. Y., Vol. ii. pa. 135, pi. 362, f. 2. 



Halysites catenulatus, Linn. 



Stromatopora concentrica, Goldf. 



BRYOZOA. 



•Cladopora fibrosa, Hall, Pal. N. Y., Vol. ii., pa. 139. 



*C. lichenoides, W. and. M., Mem. Bost. Soc. Nat. Hist., Vol. i, pa. 84, 



pi. 2, f. 1. 



*C. serrata. Hall, Pal. N. Y., Vol. ii, pa. 137. 



C. reticulata, Hall. Pal.N. Y., Vol. ii, pa. 141, pi. 39, f 3. 



*C. verticillata, W. and M., Mem. Bost. Soc. Nat. Hist., Vol. i, pa. 84, 



pi. 2, f. 2. 



Fenestella elegans, Hall, Pal. N. Y., Vol. ii, pa. 164. 



Polypora incepta. Hall, Pal. N. Y., Vol. ii, pa. 167. 

 •Stictopora punctipora, Hall. Identified by W. and M. 

 *Lichenalia concentrica. Hall. Identified by W. and M. 



ECHINODERMATA. 



Apiocystites imago. Hall 314 



Crinocystites chrysalis. Hall 318 



C. rectus, Hall, see Rhodocrinus [?] 318 



Echinocystites nodosus. Hall 316 



Hemicosmites subglobosus, Hall 316 



Holocystitcs abnormis. Hall 312 



