A dictionary of altitudes in the United States (Second edition), by Henry Gannett. ---- _Same._ No. 77. Washington, 1891. 51pp., 4 pls. .10 CONTENTS. The Texan permean and its mesozoic types of fossils, by Charles A. White. ---- _Same._ No. 78. Washington, 1891. 131pp. .15 CONTENTS. Report of work done in the division of chemistry and physics mainly during the fiscal year 1889-'90. Frank Wigglesworth Clarke, chief chemist. ---- _Same._ No. 79. Washington, 1891. 33pp., 17 pls. .10 CONTENTS. A late volcanic eruption in northern California and its peculiar lava, by Joseph Silas Diller. ---- _Same._ No. 80. Washington, 1891. 279pp. .20 CONTENTS. Correlation papers. Devonian and Carboniferous, by Henry Shaler Williams. ---- _Same._ No. 81. Washington, 1891. 447pp., 3 pls. .25 CONTENTS. Correlation papers. Cambrian, by Charles Doolittle Wolcott. ---- _Same._ No. 82. Washington, 1891. 273pp., 3 pls. .20 CONTENTS. Correlation papers. Cretaceous, by Charles A. White. ---- _Same._ No. 83. Washington, 1891. 173pp., 2 pls. .20 CONTENTS. Correlation papers. Eocene, by William Bullock Clark. ---- _Same._ No. 91. Washington, 1891. 88pp. .10 CONTENTS. Record of North American geology for 1890, by Nelson Horatio Darton. ---- Bulletins nos. 66 to 70. [Contents already noted.] Washington, 1892. 321pp., 6 pls. 1.00 H.R. mis. doc. no. 21; 52d Cong., 1st sess. ---- _Same._ No. 71. [Contents already noted.] Washington, 1892. 2 l., v+744pp. .50 H.R. mis. doc. no. 22; 52d Cong., 1st sess. ---- _Same._ Nos. 72 to 75. [Contents already noted.] Washington, 1892. 660pp., 6 pls. 1.00 H.R. mis. doc. no. 23; 52d Cong., 1st sess. ---- _Same._ No. 76. [Contents already noted.] Washington, 1892. 393pp. .25 H.R. mis. doc. no. --; 52d Cong., 1st sess. ---- _Same._ Nos. 77 to 80. [Contents already noted.] Washington, 1892. 494pp., 21 pls. 1.00 H.R. mis. doc. no. --; 52d Cong., 1st sess. ---- _Same._ Nos. 81 and 82. [Contents already noted]. Washington, 1892. 720pp., 6 pls. 1.00