List of Recent Publications. 59 
Bui. Amer. Geograpli. Soc, Vol. XXIII, No. 1, March 31, 1891, Mam- 
moth Cave, Kentucky, Rev. H. C. Hovey. 
The Total Eclipse of the Sun, Jan. 1, 1889. A report of the observa- 
tions made by the party at Norman, Cal. Pub. by Acad, of Sci. St. 
Louis. 
Transactions of the Edinburgh Geol. Soc. Vol. II, Part II, 1890. 
III. Papers in Scientific Journals. 
The Canadian Record of Science, Montreal. Vol. IV, No. 5, 1891, con- 
tains: Clay Concretions of the Connecticut River, Miss J. M. Arms ; 
Note on Specimens of Fossil Wood from the Erian (Devonian) of New 
York and Kentucky, Sir J. W. Daw^son and Prof. Penhallow ; The Com- 
position of the Ore used, and of the Pig Iron produced at the Radnor 
Forges, J. T. Donald ; On some causes which may have influenced the 
spread of Cambrian Fauna, G. F. Matthew ; The Australasian Ass. Adv. 
Sci.; Proceedings of the Society; Proceedings of the Microscopical 
Society. 
The National Geographic Magazine, Vol. Ill, Mar. 38, 1891 : South 
America, by Gardiner G. Hubbard, being the annual address by the 
president. 
Am. Jour, of Sci., Ajiril No. Allotropic silver, M. Carey Lea ; Phe- 
nomenon of rifting in granite, R. S. Tarr; Red sandrock of Marion 
county, Iowa, C. R. Keyes ; Halotrichite or feather alum, from Pitkin 
county, Colorado, E. H. S. Bailey ; Crystallized Azurite, from Arizona, 
O. C. Farrington ; Xenotime as an accessory element in rocks, O. A. 
Derby ; Magnetite ore districts Jacupiranga and Ipanema Sao Paula, 
O. A. Derby ; Pink gossularite from Mexico, C. P. de Landero ; Restora- 
tion of Trlceratops, O. C. Marsh ; Development of the brachiopoda. 
May No. Relation of the Pleistocene to the pre-Pleistocene of the 
Mississippi basin, south of the glaciation limit, T. C. Chamberlin and R. 
D. Salisbury; Age of the Saganaga syenite, H. V. Winchell ; Contribu- 
tions to mineralogy. No. 50, F. A. Genth, with crystallographic notes 
by S. L. Penfield and L. V. Pirsson ; Ditto, No. .51, F. A. Genth ; Colum- 
bite of the Black Hills, W. P. Blake ; The raised reefs of Fernando de 
Noronha, H. N. Ridley ; Cause of active compressive stress in rocks, 
and recent rock fluxures, T. M. Reade ; Phosphates from the Black 
Hills, W. P. Headden ; Supplementary Notice on the Polycraseof North 
and South Carolina, W. E. Hidden and J. B. Mackintosh. 
Jtme No. The study of the earth's figure by means of the Pendulum, 
E. D. Preston ; Post-glacial history of the Hudson river valley, F. .1. H. 
Merrill ; Alunite and diaspore, from the Rosita Hills, Colorado, Whitman 
Cross; Diaspore crystals, W. H. Melville; Allotropic silver, M. Carey 
Lea ; Notes on the submarine channel of the Hudson river, and other 
evidences of Post-glacial subsidence of the middle Atlantic coast region, 
A. Lindenkohl ; Ar^' there glacial records in the Newark system ? I. C. 
Russell ; Recent eruption of Kilauea, W. T. Brigham ; Turquoise in 
southwestern New Nexico, C, H. Snow. 
