494 PROCEEDINGS OF THE ROCHESTER MEETING 



On the vertical range of certain fossil species in Pennsylvania and New York. 

 Am. Nat., vol. xix, 1885, pp. 644-654. 



On the recent discovery of pteraspidian fish in the Upper Silurian rocks of North 

 America. Quart. Jour. Geol. Soc, vol. xli, 1885, pp. 48-64. 



Pennsylvania before and after the elevation of the Appalachian mountains. Brit- 

 ish Association report of fifty-fourth meeting, 1885, p. 718. 



On the materials of the Appalachians. Eead to American Association for the Ad- 

 vancement of Science, 1885. Abstracts, Am. Jour. Sci., third series, vol. xxx, 



1885, p. 316; Science, vol. vi, 1885, p. 221. 



On Pteraspidian fish of Upper Silurian of North America. Geol. Mag., new series, 



dec. iii, vol. ii, 1885, p. 89. 

 Buffalo and Chicago, or " What might have been." Am. Nat., vol. xx, 1886, pp. 



856-862. [Abstract.] Proc Am. Assoc, vol. xxxv, 1886, p. 224 (| p.). 

 Report on some fossils from Lower Coal Measures near Wilkesbarre, Luzerne 



county, Pennsylvania. Wyoming Hist, and Geol. Soc, vol. ii, 1885-1886, pp. 



239-253. 

 The old gorge at Niagara. Science, vol. viii, 1886, p. 236 (f p.). 

 The deep well at Akron, Ohio. [Abstract.] Proc. Am. Assoc Adv. Sci. ,yo\. xxxv, 



1886, p. 228. 



Report on some fossils from the Lower Coal Measures near Wilkesbarre, Luzerne 



county, Pennsylvania. Proc and Coll. Wyoming Hist, and Geol. Soc, vol. ii, 



1886, pp. 239-253. 

 Preliminary note on some fossil wood from the Carboniferous rocks of Ohio. Proc 



Am. Assoc Adv. ScL, vol. xxxv, 1886, pp. 219-220. 

 The Lake age in Ohio, or some episodes in the retreat of the North American glacier. 



Trans. Edinburgh Geol. Soc, vol. v, 1887, pp. 421-458, plates. Abstracts, Am. 



Nat., vol. xxii, 1887, p. 152; Am. Geol., vol. i, 1887, pp. 63, 64; Popular Sci. 



Monthly, voL xxxiii, 1888, pp. 428, 429. 

 The materials of the Appalachians. Am. Nat., vol. xxi, 1887, pp. 955-962, 1054- 



1060. 

 What is it? Proc. Am. Assoc Adv. Sci., vol. xxxvi, 1887, p. 312. 

 "Lake Cuyahoga:" a study in glacial geology. [Abstract.] Proc. Am. Assoc. Adv. 



Sci., vol. xxxvi, 1887, p. 218. 

 Suggestions to teachers on collecting and preserving insects. Report Entomolog. 



Soc. of Ontario, 1887. 

 Organic variation indefinite not definite in direction — an outcome of environment. 



Proc Am. Phil. Soc, vol. xxiv, 1887, pp. 113-135. 

 Paradise found. Universalist Quarterly Review, 1887. 

 The new thirty years' war (geology and theology). Universalist Quarterly Review, 



July, 1888. 

 The four great sandstones of Pennsylvania. [Abstract.] Proc Am. Assoc. Adv. 



Sci., vol. xxxvii, 1888, p. 227, (J p.). 

 Singular subterranean commotion near Akron, Ohio. Am. Geol., vol. i, 1888, pp. 



190-192. 

 Earthquake tremors at Charleston. Am. Geol., vol. ii, 1888, p. 135. 

 Dr Clark's collection of fish remains at Berea, Ohio. Am. Geol., vol. ii, 1888, pp. 



62-64. 

 Darwin and geology. Am. Geol, vol. i, 1888, pp. 152-162. 211-221. 

 Future of natural gas. Am. Geol., vol. i, 1888, pp. 31-36. 



