A CKNO WLED GMENTS. 425 



Crosby, W. O. — Continued. 



— Relations of the Pimite of the Boston Basin to the Felsite and Conglome- 

 rate. 14 pp. — Technology Quarterly, Feb. 1889. 



— The Madison Bowlder, g pp., i pi. — Appalachia, Vol. VI, No. i. 



— On the Contrast in Color of the Soils of High and Low Latitudes. 10 pp. 



— Geology of the Outer Islands of Boston Harbor. 8 pp. — Proc. Boston Soc. 

 Nat. Hist., 1888. 



— Physical History of the Boston Basin. 22 pp. — Lectures to Teachers' School 

 of Science, 1889-go. - 



— The Kaolin in Blandford, Mass. 9 pp. — -Technology Quarterly, Aug. 1890. 



— Composition of the Till or Boulder-Clay. 25 pp. — Proc. Boston Soc. Nat. 

 Hist., Vol. XXV, 1890. 



— Geology of Hingham, Mass. 12 pp., 3 maps. — Proc. Boston Soc. Nat. Hist., 

 Vol. XXV, May, 1892. 



— Geology of the Black Hills of Dakota. 29 pp.- — Proc. Boston Soc. Nat. Hist., 

 Vol. XXIII." 

 Culver, G. E. 



- — On a Little Known Region of Northwestern Montana. 18 pp., i pi. — Wis. 

 Acad. Sci., Arts and Letters, Dec. 1891. 

 Darton, N. H. 



— The Relations of the Traps of the Newark System in the New Jersey Region. 

 82 pp., I map, 4 pi. — Bull. U. S. G. S. 



— On Fossils in the Lafayette Formation in Virginia. 3 pp. — Am. Geol., 

 March, 1892. 

 Derby, O. A. 



— On Nepheline Rocks in Brazil. 15 pp.. 111. — Quart. Jour. Geol. Soc, 1891. 

 Douglas, James. 



— Biographical Sketch of Thomas Sterry Hunt. 1 1 pp. — Trans. Am. Inst. 

 Min. Engin. 

 Eyerman, John. 



— Notes on Geology and Mineralogy. 4 pp. — Proc. Acad. Nat. Sci., Phila., 

 1889. 



— The Mineralogy of Pennsylvania, Part I. 54 pp. 



— Bibliography of North American Vertebrate Paleontology for the year 1889. 

 4 pp. — Am. Geol., 1890. 



— Bibliography of North American Vertebrate Paleontology for the year 1890. 

 8 pp. — Am. Geol., 1891. 



— On the Mineralogy of the French Creek Mines in Pennsylvania. 4 pp. — N. 

 Y. Acad. Sci., 1889. 



— A Catalogue of the Paleontological Publications of Joseph Leidy, M.D., 

 LL.D. 10 pp. — Am. Geol., Nov. 1891. 



_ — Bibliography of North American Vertebrate Paleontology for the year 1891 

 8 pp. — Am. Geoi., April, 1892. 

 Felix, Johannes. 



— Untersuchungen ueber fossile Holzer. 12 pp., i pi. — Abdruck a. d. Zeitschr. 

 Deutschen geolog. Gesell., 1887. 



— Beitrage zur Kenntniss der Gattung Protosphyraena Leidy. 24 pp., 3 pi. — 

 Aus der Zeitschr. Deutschen geolog. Gesell., 1890. 



— Ueber die tektonischen Verhaltnisseder Republik Mexiko. 20 pp., 2 pi. — 

 Aus der Zeitschr. Deutschen geolog. Gessell., 1892. 

 Ferrier, W. F. 



— Rapport Geologique. Rapport des Operations de 1866 to 1869. 530 pp„ 

 with maps. 



—Descriptive Sketch of the Physical Geography and Geology of the Dominion 

 of Canada, by Alfred R. C. Selwyn and G. M. Dawson. 55 pp. 1884. 



— List of Publications of the Geological and Natural History Survey of Canada. 

 36 pp. 



— Geological and Natural History Survey and Museum of Canada. — Report of 

 Progress, 1882-83-84. Annual Report for 1888-89. 



