18 UNIVERSITY or WASHINGTON 



the principles involved in the use of form factors; the construc- 

 tion and use of volume tables; the elements of scaling and cruis- 

 ing. Texts: Graves' Forest Mensuration, Winkenwerder and 

 Clark's Exercises in Forest Mensuration. 



52. FOREST MENSUBATION. Four credits. Second semester. 

 Two recitations, six hours field or laboratory work. Prerequisite 

 51. Laboratory deposit, $2.00. Required of all sophomores and 

 graduate students. WINKENWERDER, GRONDAL. 



Methods of studying growth in diameter, height and volume. 

 Sample plot methods. The construction of growth and yield 

 tables. Texts: Same as 51. 



101. WOOD TECHNOLOGY. Four credits. First semester. 

 Required of juniors and graduate students. Prerequisite, 8 

 credits in college botany. Laboratory deposit, $2.00. WINKEN- 

 WERDER, GRONDAL. 



Wood structure, leading to the identification of the commer- 

 cial timbers of the United States. The physical properties of 

 wood. Each student is required to prepare permanent micro- 

 gcopic mounts of fifty species. Text: Record's Economic Woods. 



102. SILVICULTURE. Six credits. Second semester. Required 

 of all juniors and graduates. Four recitations, one-half day field 

 work. Prerequisite, 1, 51, and 52. Laboratory deposit, $1.00. 

 KIRKLAND. 



A study of the individual tree; forest ecology; the forest as 

 a whole; treatment of the forest regions; forest types; silvical 

 characters of trees; seed collecting; nursery practice; trans- 

 planting. Text: Graves' Principles of Handling Woodlands. 



103. WOOD IDENTIFICATION. Two credits. First semester. 

 Open to students in other departments of the University who upon 

 consultation can show ability to carry the work. WINKENWERDEB, 

 GRONDAL. 



This course includes only the laboratory work of 101. Two 

 three-hour laboratory periods a week. Laboratory deposit, $2.00. 

 Text: Record's Economic Woods. 



105. FOREST PROTECTION. Four credits. First semester. 

 KINCAID, KIRKLAND, HOTSON. 



Protection of forests against fire, Insects, fungi and other 

 destructive agencies. Approximately one-third of the allotted 



