THE SMITHSONIAN INSTITUTION. 19 



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. — Nereis Boreali-Americana, or Contributions to 

 a History of the Marine Algre of North America. Part II. — 

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

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



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

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

 Chlorospermeae. By TV. 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 TV. H. 

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

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



46. Torrey. — Plantae Fremontianae, or Description of Plants 

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

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

 Price 50 cents. 



60. Torrey. — Observations on the Batis maritime, 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 calif ornica ; 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. \ 



PALEONTOLOGY. 



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

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

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

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



