-J Ithaca Group 5^ 



iSys^^nllVjas. 27th Ann'l Rep't N. Y. State Cabinet Nat. 



Hist. . . -1 



1876 Hall Jas. Illustrations of Devonian fossils. 

 i87q' Hall! Jas. Palaeontology of New York, vol. y, part 11. 

 1880. Lesquereux, Leo. Coral flora of the Pennsylvania Coal 



Measures; 2d Geol. Surv. Penna., vol. P. 

 1880. Williams, H. S. Pal^ontological Researches; Science, 



vol. i, No. 16, p. 190. . , ,. ^t, vf 



1880 Williams, H. S. Some palgeontological studies on the life 

 history of Spirifer IcBids H.; Proc. Amer. Assoc. Adv. Sci.. 

 vol xxix; Amer. Jour. Sci., 3d ser., vol. xx, pp 456-459- 



1 88 1 Williams, H. S. Channel fillings in the Upper Devoni- 

 an; Amer. Jour. Sci., 3d ser., vol. xxi, pp. 318-320 



1881 Williams, H. S. The recurrence of faunas m the Devo- 

 rocks of New York; Proc. Amer. Assoc. Adv. Sci., vol. xxx, 



pp. 186-191. , ^^ T^ 



1881 Williams, H. S. On fish remains from the Upper Devo- 

 nian; Proc. Amer. Assoc. Adv. Sci., vol. xxx, p. 192. 



1 88 1 Dawson, J. W. Notes on new Brian (Devonian) plants; 

 Quart Jour. Geol. Soc, vol. xxxvii, pp. 299-308. 



1882 Dawson, J. W. Recent discoveries in the Brian (Devo- 

 vonian) flora of the United States; Amer. Jour. Sci., 3d ser., 



vol. xxiv, pp. 338-345- 

 1882 Williams, H. S. New crinoids from the rocks of the 

 Chemung period of New York; Proc. Acad. Nat. Sci. Phila., 



pp. 17-34. 



1882 Williams H. S. The undulations of the rock masses 

 across central New York; Proc. Amer. Assoc. Adv. bci., 

 vol. xxxi, p. 412. 



1882 Williams, H. S. Catalogue of the Fossils of the Che- 

 mung period of North America. Ithaca, N. Y. 



1882 Clarke J. M. New phyllopod crustaceans from the De- 

 vonian of' western New York; Amer. Jour. Sci., 3d ser., 

 xxiii, pp. 476-478. 1 u f 



1883 Williams, H. S. On a remarkable fauna at the base o 

 ihe Chemung group in New York; Amer. Jour. Sci., 3d 

 ser., vol. XXV, pp. 97-io4- 



1883. Clarke, J. M. New discoveries in Devonian Crustacea; 



^Amer. Jour. Sci., 3d ser., vol. xxv, pp. 120-125. 

 1883. Dawson, J. W. On rhizocarps in the Paleozoic period; 



