SILVA OF NORTH AMERICA 



TN September, 1890, Messrs. Houghton, Mifflin & Company announced the pub- 

 I lieation of Sargent's Silca oj . ii twelve quarto volu 



trated with six hundred plates engraved in Paris under the direction of 

 A. Riocreux from drawings made by C. E. Faxon. The last 

 was published in January, 1899, the twi abed and 



twenty plates. .'.; 



The publication of this exhaustive and monumental work has stimulated 

 the study of trees in the United States in a re \ .: manner, 



and during its progress the number of trees recognized bv t 

 America north of Mexico, the region covered by the v 

 from 422, the number announced in Messrs. Houghton, Mifflin & < 

 circular of 1890. For this reason two supplementary volumes were added, con- 

 taining 115 new plates and a thorough index of the entire work. XL 

 published in the fall of 1902, thus completing the set. 



Professor Sargent is recognized as the high 

 treats. His position as Director of the Arnold Arboretum of Harvard I'niversity, 

 the richest dendrological collection in America, which has been formed by him, 

 and his opportunities while in the emplo\ of the i>o\t rnnn nt of ihe I nin-d >* ii - 

 for exploring the forests and studying the trees in every part of the country, 

 opportunities supplement. < etion with the V tim mal 



Survey, and by the dnU intrustt-d to him of forming for t) - \< ^ \ ■ rk Mu> urn 

 of Natural History a collection to illustrate the forest products of North A men* , 

 specially qnnlif\ him foi this work, in the preparation of which he has been 

 ■• ■ . " • 



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:''•"-■ ' ' •■ . ' . . ' 



works of whii I roud. It must a3 : u d krd 



authority on the subject which it ti 



The price of the Siir u r t *._t, and only 



subscriptions for the entire work will be accepted. 



Specimen pages and a - m\ it will be submitted upon re q 



HOUGHTON, MIFFLIN & COMPANY, 



4 Park St., Boston. 



