438 PUBLICATIONS OF THE SMITHSONIAN INSTITUTION. 



87. Ps3'clirometrical table : for determiuing- the elastic force of aqueous 

 vapor, and the relative humidity of the atmosphere from indications of the 

 wet and the dry bulb theoBometer, Fahrenheit. By James H. Coffin, A. M. 

 1856. 8vo., pp. 20. (M. C. i.) 



88. Kesearches on the ammonia-cobalt bases. By Wolcott Gibbs and 

 Frederick Aug. Genth. Accepted for publication, July, 1856. [December, 

 1856.] 4to, pp. 72, 21 woodcuts. (S. C. ix.) 



89. North American Oology. By Thomas M. Brewer, M. D. Part I. — 

 Eaptores and Fissirostres. Accepted for publication, February, 1856. [1857.] 

 pp. 140, and 5 plates. (S. C. xi.) 



90. Illustrations of surface geology. By Professor Edward Hitchcock, 

 LL.D. Accepted for publication, January, 1856. [April, 1857.] 4to., pp. 164, 

 2 woodcuts and 12 plates. (S. C. ix.) 



91. Annual report of the Board of Regents of the Smithsonian Institution, 

 showing the operations, expenditures, and condition of the Institution for the year 

 1856, and the proceedings of the Board up to January 28, 1857. 34th Con- 

 gress, 3d Session, House of Representatives, Mis. Doc. No. 55. 1857. 8vo., 

 pp. 468 ; 69 woodcuts. 



92. Smithsonian Contributions to Knowledge. Vol. IX. 1857. 4to., pp. 

 482, and 22 plates. 



CONTENTS. 



(83.) Meech. Intensity of heat and light of sun upon diflferent latitudes. 

 • (90. ) Hitchcock. Illustrations of surface geology. 

 (86. ) Mayer. Mexican history and archaeology, and Zapotec remains. 

 (88.) Gibbs and Genth. Researches on ammonia-cobalt bases. 

 (79.) Runkle. New tables, planetary motion. 

 (94.) Runkle. Asteroid supplement to new tables. 



93. Smithsonian meteorological observations for the year 1855. (Printed 



for examination by the observers.) 1857. 8vo., pp. 118. 



Printed merely to enable observers to verify their records, and distributed only to them. 

 The same-material is embodied in No. J57 : " Results of Meteorological Observations," &c. 



94. Asteroid supplement to new tables for detei-mining the values of 

 h'-l^ and its derivatives. By JohnD. Runkle. Accepted for publication Novem- 

 ber, 1855. [May, 1857.] 4to., pp. 72. (S. C ix.) 



95. Nereis Boreali- Americana : or, contributions to the history of the marine 



algse of North America. Part III. — Chlorospermeae. By Professor William 



Henry Harvey, M. D. Accepted for publication, September, 1857. [March, 



1858.] 4to., pp. 142, and 14 plates, colored. (S. C. x.) 



The colored plates are to be found in the extra copies, most of the edition inserted in the 

 series of contributions having plain plates. 



96. Nereis Boreali- Americana : or, contributions to a history of the marine 

 alg« of North America. By Professor William Henry Harvey, M. D. In three 

 parts, with 50 colored plates. May, 1858. • 4to., pp. 568. 



97. Magnetical observations in the Arctic Seas. By Elisha Kent Kane, 

 M. D., U. S Navy. Made during the second Grinnell expedition in search 



