21 



of Pennsylvania and of some other species of commercial im- 

 portance. This room is also used for practical work in wood 

 identification. Bi-wxekly tests are held in the workroom for 

 identifying specimens of wood. Wood specimens are also in- 

 cluded in the field test in dendrology. The w^orkroom is equipped 

 with work-benches and tools. A collection of Hough's "Amer- 

 ican Woods" is available. 



(6) METEOROLOGY (Prof. Retan), Freshman Year— Second 



Term — 4 hours. 



The phenomena of the atmosphere, their explanation and the 

 forecasting of the weather. United States weather maps are re- 

 ceived and studied from day to day. Two experiment stations 

 are maintained, one in the forest and one in the open, where 

 daily reading of maximum-minimum thermometers and rain 

 gauge readings are made by the students. Lectures and prac- 

 tical work in forest influences is given in connection with this 

 course. Davis' Elementary Meteorology and Moore's Descrip- 

 tive Meteorology are required. 



(7) SILVICULTURE (Prof. Retan), Junior Year— Second 



Term — Lectures 3 hours, Field Work 3 hours. 



Silvics ; Forest Geography ; Reproduction and Care of For- 

 ests, Planting, Sowing, and Nursery Practice, form the subdi- 

 visions of this course, the latter being the one most emphasized. 

 Particular attention is given to Pennsylvania forest types and 

 their treatment. 



The practical work is very extensive and is not included under 

 the three hours given to field work. Those hours are devoted 

 to work in Silvics, trips being taken through the neighboring 

 forests. In addition, in the spring, the class spends about two 

 weeks each year in planting various species under a wide range 

 of conditions. Later they go into the nursery and perform 



