450 NATHANIEL SOUTHGATE SEALER 



Report: Atlantic Coast Division. U. S. Geol. Surv., J. W. Powell, Director, 

 10th Kept., pp. 117-119. Washington, 1890. 



The Origin and Nature of Soils. U. S. Geol. Surv., 12th Ann. Kept., pt. 1, 

 pp. 219-345. 1892. 



The Geological History of Harbors. U. S. Geol. Surv., 13th Ann. Kept., 

 pt. 2, pp. 99-209, pis. 22-45, figs. 7-15. 1893. 



Preliminary Report on the Geology of the Common Roads of the United States. 

 U. S. Geol. Surv., 15th Ann. Kept., pp. 259-306. 1895. 



The Geology of the Road-Building Stones of Massachusetts, with Some 

 Consideration of Similar Materials from Other Parts of the United States. 

 U. S. Geol. Surv., 16th Ann. Kept., pt. 2, pp. 277-341, pis. 18-24. 1895. 



Origin, Distribution, and Commercial Value of Peat Deposits. U. S. Geol. 

 Surv., 16th Ann. Kept., pt. 4, pp. 305-314. 1895. 



Geology of the Cape Cod District (Massachusetts}. U. S. Geol. Surv., 18th 

 Ann. Kept., pt. 2, pp. 503-593, pis. 97-104, figs. 86-92. 1898. 



The Glacial Brick Clays of Rhode Island and Southeastern Massachusetts, 

 with J. B. Woodworth and C. F. Marbut. U. S. Geol. Surv., 17th Ann. Kept., 

 pt. 1, pp. 957-1004, pis. 61-62, figs. 34-43. 1896. 



Geology of the Richmond Basin, Virginia, with J. B. Woodworth. U. S. Geol. 

 Surv., 19th Ann. Kept., pt. 2, pp. 385-520, pis. 18-52, figs. 90-116. 1899. 



Geology of the Narragansett Basin, with J. B. Woodworth and A. F. Foreste. 

 U. S. Geol. Surv., Mon. xxxiii, 402 pp., 31 pis., 30 figs. 1899. (Reviewed 

 in Journal of Geology, vol. 8, pp. 377-378. 1900.) 



MUSEUM OF COMPARATIVE ZOOLOGY REPORTS 



Report on List of Brachiopods from the Island of Anticosti. M. C. Z., June, 

 1865, pp. 10. 



Report on the Collection of Brachiopoda. Annual Report M. C. Z. 1864 

 (1865), pp. 41-42. 



Reports on the Palseontological Collections. Annual Report M. C. Z. 1865 

 (1866), pp. 28-30. 



Report on the Department of Paleontology. Annual Report M. C. Z. 1866 

 (1867), pp. 33-35. 



Report on the Collection of Fossil Remains in General. Annual Report 

 M. C. Z. 1868 (1869), pp. 41-45; 1869 (1870), pp. 26-30. 



[Reports on Instruction in Geology and Palaeontology.] Ann. Rept. M. C. Z. 

 1870 (1871), pp. 24-26 ; 1871 (1872), pp. 28-29 ; 1872 (1873), pp. 28-31 ; 1875 

 (1876), pp. 29-30 ; 1876 (1877), pp. 12-14 ; 1877-78 (1878), pp. 20-21 ; 1878- 

 79 (1879), pp. 11-12 ; 1879-80 (1880), pp. 12-13 ; 1880-81 (1881), pp. 10-13 ; 

 1883-84 (1884), pp. 19-20; 1884-85 (1885), pp. 19-20; 1885-86 (1886), 



