THE SMITHSONIAN INSTITUTION. 1 9 



1851 and 1852. By Asa Gray, M. D. February, 1853. 4to. 

 pp. 120, and 4 plates. (S. C. v.) Price $1 25. (Out of print.) 



32. Harvey. Nereis Boreali- Americana, or Contributions to 

 a History of the Marine Algae of North America. Part I. Me- 

 lanospermeae. By William Henry Harvey, M. D., M. R. I. A. 

 January, 1852. 4to. pp. 152, and 12 colored plates. (S. C. in.) 

 Price $3. 



43. Harvey. Xereis Boreali-Americana, or Contributions to 

 a History of the Marine Algae of North America. Part II. 

 Rhodospermeae. By W. H. Harvey, M. D., M. R. I. A. March, 

 1853. 4to. pp. 262, and 24 plates, colored. (S. C.^r.) Price $5. 



95. Harvey. Nereis Boreali-Americana, or Contributions to 

 a History of the Marine Algae of North America. Part III. 

 Chlorospermeae. By W. H. Harvey, M. D., M. R. I. A. 4to. pp. 

 142, and 14 plates, colored. (S. C. x.) Price $3, in cloth. 



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. Harvey. Nereis Boreali-Americana, etc. By W. H. 

 Harvey. The whole three parts complete in one volume. 4to. 

 pp. 556, and 50 plates. Bound in cloth, colored plates, $12. 



4,6. Torrey. Plantae Fremontianae, or Description of Plants 

 collected by Colonel J. C. Fremont in California. By John Tor- 

 rev, F. L. S. 1853. 4to. pp. 24, and 10 plates. (S. C. vi.) 

 Price 50 cents. 



60. Torrey. Observations on the Batis maritima of Linnaeus. 

 By John Torrey, F. L. S. April, 1853. 4to. pp. 8, and one plate. 

 (S. C. vi.) Price 10 cents. (Out of print.) 



61. Torrey. On the Darlingtonia californica; a new pitcher 

 plant from Northern California. By John Torrey, F. L. S. April, 

 1853. 4to. pp. 8, and one plate. (S. C. vi.) Price 10 cents. 

 (Out of print^ 



PALAEONTOLOGY. 



14. Gibbes. A Memoir on Mosasaurus, and the three allied 

 new genera, Holcodus, Conosaurus, and Amphorosteus. By Robert 

 W. Gibbes, M. D. November, 1850. 4to. pp. 14, and 3 plates. 

 (S. C. n.) Price 25 cents. 



