Vlll 



C ONTE NT S. 









Asa Gray, M.D., 452. — The Sea Side Book, being an Introduction to the Natural 



History of the British Coast, by Dr. W. H. Harvey : Phycologia Britaanica : 

 or, History of the British Sea Weeds, including Colored Figures of each Species, 

 with Growth, Fructification, &c, by Dr. VV. H. H arvey, MR I. A. : Nereis 

 Australia : or, Illustration of the Sea Weeds of the Southern Ocean, including 

 figures of Growth and Fructification, &c, by Dr. W. H. Harvev, M.R.I. A., &c. ; 

 A Manual of the British Marine Alga*, by Dr. W. H. Harvev, M.R.I. A., &c. : 

 Species. Genera et Ordines Algarum, sou Descriptions succinct® Specierum 

 Generum et Ordinum quibus Algarum Regnum constituitur, auctore Jacobo 

 Georgio Agardh, 4515. — Species Algarum, auctore Friderico Traug. Kut- 

 zing, Prof. Nordhusano : Tabula I' eulogies, oder Abbildungen der Tange, 

 herausgegeben ; von F. T. Kut/ing : Geology of the United States Exploring 

 Expedition under C. Wilkes. U. S. N., by James D. Dana, 454. — Report on 

 Zoophytes, of the Exploring Expedition under C. Wilkes. U. S. N., by James 

 D. Dana : Principles of the Mechanics of Machinery arid Engineering, by Prof. 

 Julius Weisbacii, edited by Walter R. Johnson, A.M. : The Progreaa of the 

 Development of the Law of Storms and of the Variable Winds, with the Practical 

 Application of the subject to Navigation, by Lieut. Col. William Reid, C.B., 

 F.R.S.,455. — Outlines of Astronomy, by Sir John F W. Herschel, Bart. K.H.: 

 Patent Office Reports for 1S48: Memorials of John Bartram and Humphrey 

 Marshall, with notices of their Botanical contemporaries, by Wm. Darling- 

 ton, M D.,LL.D. : Report on Railroad and Canal Routes between the Atlantic 

 and Pacific Oceans, by Hon. John A. Rockwell, 457. 



List of Works, 457. 

 Index, 459. 



















ERRATA. 





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Page 254, line I Oth from top, for „ read V J 



a 2 y 



a y 



Page 419, line 6th from top, for Geographical, read Geological 



