CONTENTS. 



Department Bulletin 201. — Native Pasture Grasses of the United 

 States. Page- 

 Introduction - 1 



General considerations 2 



Discussion of species 4 



Department Bulletin 202. — The Alcohol Test in Relation to Milk. 



Introduction 1 



Object of this work 2 



Method of making the alcohol test 2 



The alcohol test in relation to fresh milk from a single cow or herd 3 



The alcohol test in relation to market milk 7 



The titration method of applying the alcohol test. 25 



The alizarol test 30 



Conclusions 32 



Literature cited 34 



Department Bulletin 203. — Field Studies of the Crown Gall of Sugar 

 Beets. 



Kinds of beet galls I 



Distribution of beet galls 1 



Appearance of beet galls 2 



Cause of beet galls 3 



Quality of beet galls 4 



Effects of galls upon quality and size of roots 5 



Control of beet galls 8 



Summary 8 



Department Bulletin 204. — Report on the Gipsy Moth Work in New 

 England. 



Introduction 1 



Experimental work 2 



Silvicultural work 20* 



Scouting work 24 



Quarantine work 29 



Cooperative work : 31 



Conclusion 32 



Department Bulletin 205. — Eleven Important Wild-duck Foods. 



Introduction 1 



Musk grasses 1 



Duckweeds 3 



Frogbit 5 



Thalia 7 



Water elm 9 



Swamp privet 12 



Eel grass I3 



Wigeon grass lg 



Three plants for duck farms I9 



Water cress 2i 



Water weed 22 



Coon tail , 24 



Department Bulletin 206. — The Woolgrower and the Wool Trade. 



Introduction 1 



Present methods of disposing of wool by the growers 2 



Factors that determine the value of wool 3 



Wool grading 11 



Market grades 14 



Sorting wool 21 



Pounds of wool per pound of cloth 24: 



3 



