492 PROCEEDINGS OF THE ROCHESTER MEETING 



On the pre Glacial geography of the region of the Great Lakes. Canadian Nat. , 



vol. viii, new series, 1878, pp. 187-206. Read to the Cincinnati Nat. Hist. Soc, 



January, 1875. 

 On the occurrence of a tree-like fossil plant, Glyptodendron, in the Upper Silurian 



(Clinton) rocks of Ohio. Am. Jour. Sci., 3d series, vol xv, 1878, pp. 302-304. 

 On the occurrence of a fossil tree (Glyptodendron) in the Clinton limestone (base 



of Upper Silurian) of Ohio, U. S. A. Geol. Mag., London, vol. v, new series, 



1878, pp. 556-564. 

 Migration of animals from America to Europe and vice versa. Report of Montreal 



Horticultural Society, 1878. Pharmaceut. Jour., vol. xi, 1881, pp. 576-578, 



597-598, 614-616, 698-700. 

 Migration of European animals to America and American to Europe. Montreal 



Horticultural Society, 1879. Pharmaceut. Jour., vol. xi, 1881, pp. 576-578, 



597-598, 614-616, 698-700. 

 Migration of plants from Europe to America, with an attempt to explain certain 



phenomena connected therewith. Pharmaceut. Jour., vol. x, 1880, pp. 404-407, 



464-468. 

 Pre-Glacial formation of the beds of the great American lakes. Canadian Nat.,' 



new series, vol. ix, 1881, pp. 213-227. 

 Evidence from the drift of Ohio, Indiana, and Illinois in support of the pre-Glacial 



origin of the basins of lakes Erie and Ontario. Proc. Am. Assoc. Adv. Sci. , vol. 



xxx, 1881, pp. 147-159. 

 On the occurrence of an Archimediform Fenestellid in the Upper Silurian rocks of 



Ohio. [Abstract.] Proc. Am. Assoc. Adv. Sci., vol. xxx, 1881, p. 191. 

 Notes on thefauna of the Catskill red sandstone (title only). Proc. Am. Assoc. Adv. 



Sci., vol. xxxi, 1882, p. 420. 

 Note on the occurrence of traces of a northern flora in southwestern Ohio (title 



only). Proc. Am. Assoc. Adv. Sci., vol. xxxi, 1882, p. 494. 

 Note on the occurrence of traces of a northern flora. Note on the sterility of the 



Canadian thistle at Yellow Springs, Ohio. Insects versus flowers in the matter 



of fertilization. Proc. Am. Assoc. Adv. Sci., vol. xxxi, 1882, p. 495. Titles 



only. 

 On a larva boring the leaf stalks of the buckeye (iEsculus glabra) in Ohio. Psyche, 



vol. iii, 1882, pp. 364-367. 

 Note on the occurrence of Holoptychius, about 500 feet below the recognized top 



of the Chemung group in Bradford county [Pennsylvania]. Proc. Am. Phil. 



Soc, vol. xx, 1883, p. 531. 

 On the Hamilton sandstone of middle Pennsylvania. [Abstract.] Proc. Am. Assoc. 



Adv. Sci., vol. xxxii, 1883, pp. 244-246. 

 On a large crustacean from the Catskill group of Pennsylvania. Proc. Am. Assoc. 



Adv. Sci., vol. xxxii, 1883, p. 265. 

 Renssel«eria from the Hamilton group of Pennsylvania. [Abstract.] Proc. Am. 



Assoc. Adv. Sci., vol. xxxii, 1883, p. 266. 

 Helicopora, a new spiral genus (with three species) of North American Fenestel- 



lids. Quart. Jour. Geol. Soc. London, vol. xxxix, 1883, pp. 30-38, pi. 1. 

 Note on a large fish plate from the Upper Chemung (?) beds of northern Pennsyl- 

 vania, Pterichthys ? rugosus, n. sp. Proc. Am. Phil. Soc, vol. xx, 1882-1883, pp. 



664-666. 



