196 WOOD AND FOREST. 



THE PRIXCIPAE SPECIES OF WOODS. 



.RefichexceS:* 



Sargent, Jesxip Collection. Baterden. 



Sargent, Manual. Sargent, iSilva. 



Britton. Sargent, Forest Trees, Ulth Census, 



Both, Timher. Vol. IX. 



Hough, Hanilhool.-. Boulger. 



Keeler. Hough, Aiiieriean Woods. 



Apgar. Snow. 



Mohr. For. Bull.. So. 2'2. Ijiunsterry. 



Fernow, Forcsln/ fiiresliiialioiis. SpaulJing. For. Bull. Xo. 13. 



Lumber Trade .louinals. Sudworth. For Bull So 17. 



}<'orest Service I'rroiils of Wliolc.'fale I'rices of Luinhcr. List. A. 



For particular trees consult For. Serv., Bulletins and Circulars. See 

 For. Service Classi/icd List of Puhlications. 



*For general bibliography, see p. 4. 



