REFERENCES TO SCIENTIFIC TECHNIQUE 65 



WILSON, H. M. 



1905. Topographical Surveying. Second Edition. New 



York. 



Directions for camping, emergency surgery, photog- 

 raphy, etc., pp. 811-884. 



In concluding this list of references I would suggest to the 

 student the desirability of securing the following catalogues or 

 lists of publications. A glance at the lists in this volume will 

 show that a surprisingly large number of the papers or works are 

 governmental publications, many of which have long been out 

 of print, but many may still be secured from the different de- 

 partments or from the Superintendent of Documents at Wash- 

 ington, D.C. 



1. U. S. Geological Survey. List of Publications, including 



maps. Washington, D.C. 



2. Superintendent of Documents. Lists of publications of the 



U. S. Department of Agriculture. Washington, D.C. 



3. Smithsonian Institution. List of publications. Wash- 



ington, D.C. 



4. U. S. National Museum. List of publications. Wash- 



ington, D.C. 



5. U. S. Bureau of Fisheries (formerly U. S. Fish Commission). 



List of publications. Washington, D.C. 



6. For list of dealers in second-hand books see Banks' Bull. 



81, U. S. National Museum, pp. 117-118. This is one of 

 the best methods of securing many publications which 

 are out of print. 



8. The Preparation of Papers for Publication and on Proof 

 Reading 



The preparation of papers for publication is a 

 practical phase of study and an art, or form of 

 technique, about which the zoological student is 

 liable to hear but little. There may be a great 

 economy of effort, and much time saved, if early in 



