78 The American Geologist. August, looi 
Notes on the Locust in the Northwest in 1876. Canadian Natural- 
ist, Vol. viii. No. 7, pp. 411-417, April. Montreal. (Also separately, 
pp. 1-7.) 
Erratics at High Levels in Northwestern America. — Barriers to 
a Great Ice Sheet. Geological Magacinc, 8vo. pp. 209-212, May. Lon- 
don. 
Report of Explorations in British Columbia, chiefly in the Basins 
of the Blackwater, Salmon and Nechacco Rivers, and on Francois 
lake. Report of Progress, Geological Survey of Canada, 1876-77, 8vo. 
pp. 17-94. Montreal. 
Report on Reconnaissance of Leech River and Vicinity. Report 
■of Progress, Geological Survey of Canada. 1876-77, 8vo. pp. 95-102. 
Montreal. 
General Note on the Mines and Minerals of Economic Value of 
British Columbia, with a list of localities, with appendix. Report of 
Progress, Geological Survey of Canada, 1876-77, 8vo. pp. 103-145. Mon- 
treal. (Also separately, same pagination.) (Abstract, American Jour- 
nal Science, 3rd series, Vol. 16, p. 149. (1-2 p.) 1878.) 
1879. 
On a Species of Loftusia from British Columbia. Quarterly Jour- 
nal Geological Society, 8vo. pp. 69-75. February. London. (Also sep- 
arately, same pagination.) 
Notes on the Glaciation of British Columbia. Canadian Natur- 
alist, n. s. Vol. IX, No. I, pp. 32-39, March. Montreal. (See separate- 
ly, pp. 1-8.) 
Sketch of the Past and Present Condition of the Lidians of Canada. 
Canadian Naturalist, Vol. i.x, No. 3, pp. 129-159, July. Montreal. 
(Also separately, pp. 1-31.^ 
Preliminary Report of the Phj^sical and Geological Features of 
the Southern Portion of the Interior of British Columbia. Report of 
Progress. Geological Survey of Canada, 1877-78. 8vo. pp. 1B-187B. 
' Report of explorations in the southern portion of the interior of 
British Columbia. Report of Progress. Geological Survey of Can- 
ada, 1877-78. 8vo. pp. 1B-173B. Montreal. Abstract, American Jour- 
nal Science, 3rd series. Vol. 18, pp. 482-483. (i-3p.) 
1880. 
Memorandum on the Queen Charlotte Islands. British Columbia. 
(Appendix, No. 9.) Report Canadian Pacific Railway, 8vo. pp. 139- 
143. Ottawa. 
Notes on the Distribution of Some of the More Important Trees 
■of British Columbia. Canadian Naturalist, Vol. ix. No. 6, pp. 3-I-33I. 
August. Montreal. (Also separately, pp. i-ii.) Reprinted as an ap- 
pendix to Report on an Explanation from Fort Simpson etc. Report 
of Progress, Geological Survey of Canada, 1879-80. 
Report on the Climate and Agricultural Value, General Geological 
Features and Minerals of Economic Importance of part of the North- 
