FOKEST INVESTIGATIONS. 31 



ative liquid such as alcohol or vinegar. Specimens should be sent 

 by mail whenever possible, otherwise by express, charges collect. 



The district forester after consultation with the consulting patholo- 

 gist, or the Forester after consultation with the proper official of the 

 Bureau of Plant Industry, will issue instructions and authorize the 

 necessary action. 



FOREST PRODUCTS INVESTIGATIONS. 



Studies in forest products, including wood preservation, utilization 



studies, and general market investigations, are covered 



othe? s e tudles. wlth m tne Products section of the Manual. Such studies 



will be conducted under the immediate direction of 



experts in products but should be reviewed by the district committee 



and correlated as far as practicable with other investigative work. 



REPORTS. 



The Forest officer in charge of each experiment station will submit 



to the district forester during January a full annual 



tion- annual*. ***' report in duplicate upon the work of the station, 



together with plans for the coming year. He will 



also from tune to time submit such other reports and plans as may 



seem to him advisable or be required by the district forester. A 



copy of the annual report and of other reports of special importance 



will be sent to the Forester. 



The annual silvical report of the district to the Forester is due in 

 District annual February. This report should consist of a brief sum- 

 mary of the important silvical projects undertaken 

 and the results obtained at the experiment stations and elsewhere, 

 and an outline of plans for future work. 



All investigative reports from Forests should be prepared in quadru- 

 plicate. One copy should be retained by the super- 

 esS? portsfromF r " v i sor an d three copies forwarded to the district 

 forester, who will in turn forward a copy to the 

 experiment station and one to the Forester in case the report is of 

 sufficient importance to make this advisable. 



All reports from experiment stations will be forwarded in duplicate 

 Reports from ex- to the district forester, who will send one copy to 



periment stations. the Forester. 



A card record, Form 485, in duplicate, should be kept of all studies, 

 including those of cut-over areas, being conducted on 



Card records. i AT P i T-< i r\ 



each National Forest and at experiment stations. One 



copy should be kept on file at the office of the supervisor of the National 



Forest or of the Forest officer in charge of the experiment station, and 



the other at the district office. When an experiment is terminated, 



the card should be stamped "closed," and transferred to a closed file. 



It is the policy of the Service to publish results of investigative 



publications work conducted by its members which are of definite 



scientific value or of general interest. In addition to 

 the publication of the results of specific pieces of work, as bulletins or 

 circulars, publications embodying the general progress of the Service 

 in investigative work, including extracts from reports which do not 

 merit separate publication and references to all field projects where 

 useful work is being done, will be issued from time to time. 



