530 CATALOGUE OF PUBLICATIONS. 



227. Arraugement of the Families of Mollusks. By Theodore Gill. 



February, 1871. 8vo., fp. 05. (M. C, x.) 



228. Amiual Eeport of the Board of Kegents of the Smithsonian In- 



stitution, for the year 18(J;>. Forty-firstCongress, third session. 

 House of Representatives, Ex. Doc. No. 153. 1871. Svo., pp. 

 430, 38 woodcuts, 1 map. 



CONTENTS. 



Henry, J. SL'(;it!t;u\v'8 report of operations. 



Board of Regents, Proceedings of. 



List of meteorological stations and observers. 



List ofmeteoroloi^ical material contributed to Smithsonian Institution. 



Berthrand, M. Kepler : his life and works. 



AuAGO, M. Eulogy on Thomas Young. 



De Beaumont, E. Memoir of Auguste Bravais. 



Rau, C. Memoir of C. F. P. Von Martins. 



Mateucci, C. Life and scientific labors of Stefano Mariauini. 



Hunt, T. S. Chemistry of the earth. 



Matteucci, C. Electrical currents of the earth. 



Marey E. J. Phenomena of flight in the animal kingdom. 



Cabinet, J. The northern seas. 



Lombard, H. C. Report on the transactions of the Society of Physics and 



of Natural History of Geneva, July, 1808, to June, 1869. 

 Simpson, J. II. Coronado's march in search of the "Seven Cities of 



Cibola." 

 Lubbock, J. Social and religious condition of the lower races of man. 

 Huxley, T. H. Principles and methods of paheontologj-. 

 ScHOTT, A. Remarks on the " Cara Gigantesca" of Yzamal, in Yucatan. 

 Becquerel, a. E. Forests and their climatic influence. 

 Brenndecke, F. Meteorites. 



Abich, S. Remarkable forms of hail-stones in Georgia. 

 Sartorius, C. Eruption of the volcano of Colima. 



229. Smitlisoniau Contributions to Knowledge. Vol. xvii. 1871. 



4to., pp. 61G, G wood-cuts, 14 plates. 



CONTENTS. 



Morgan. Systems of consauguinitj' and affinity of the human fiimily. 



^^ . ..6. 



230. Arraugement of the Families of Mammals. By Theodore Gill. 



^S^ovember, 1872. 8vo., pp. 101. (M. C. xi.) 



231. Memoranda of Inquiry relative to the Food Fishes of the United 



States. By S. F. Baird. 1871. 8vo., pp. 8. (M. (J., x.) 



232. The Secular Variations of the Elements of the Orbits of the Eight 



Principal Planets, Mercury, Venus, the Earth, Mars, Juipter, 

 Saturn, Uranus, and jSTeptune, with tables of the same; together 

 with the obliquity of the ecliptic and the precession of the equi- 

 noxes in both longitude and right ascension. By .John N. 

 Stockwell. 1872. 4to., pp. 220. (S. C, xvin.) 



233. Converging Series expressing the Eatio between the Diameter and 



the Circumference of a Circle. By William Ferrel. April, 

 1871. 4to., pp. G. (S. C, xviiL) 



