Palæontology of the Coasts of the Arctic Lands, visited by the late British Expedition, etc., by R. Etheridge, Quart. Journ. Geol. Soc., vol. xxxiv., 1878, p. 568. (Abstracts of this and the foregoing paper appear in Am. Journ. Sci. and Arts, third series, vol. xvi., p. 139.)

Notes on Fossil Plants Discovered in Grinnell Land, by Capt. H. W. Fielden, etc., by Prof. O. Heer, Quart. Journ. Geol. Soc., vol. xxxiv., 1878, p. 66.

Narrative of the Second Arctic Expedition made by C. F. Hall, Washington, Government, 1879. Appendix iii., by Prof. B. K. Emmerson.

Dr. Franz Boas, Baffin Land. Petermanns Mitteilungen, Ergänzungsheft, Nr. 80, 1885.

Die Geographische Verbreitung der Juraformation, by Neumeyr. Denkschriften der Kaiserlichen Akadamie der Wissenschaften, Vienna, vol. l., 1885.

Encyclopedia Britannica (ninth edition), Greenland, by Robert Brown. Polar Regions, by C. R. Markham. (Geological sketches appended to both these articles.)

Three Years of Arctic Service, an Account of the Lady Franklin Bay Expedition, by Lieut A. W. Greely, New York, 1886.

The Eskimo of Baffin Land and Hudson Bay, by Franz Boaz. Bul. Am. Mus. of Nat. Hist., vol. xix.

On the Lower Silurian (Trenton) Fauna of Baffin Land, by Chas. Schurchert. Proc. U.S. Nat. Mus., vol. xxii., p. 143-177.

A Biological Investigation of the Hudson Bay Region, by Edward A. Prebles, U.S. Biological Surv. North American Fauna, No. 22, 1902.