CONTENTS. 



Department Bulletin No. 1051. — Red Cedar Chests as Protectors 



Against Moth Damage: Page. 



Introductory 1 



Source, distribution, and description of red cedar 2 



Uses of red cedar 2 



Axoma of red cedar 4 



Cedar chest experiments 4 



Effect upon adult moths 4 



Effect upon eggs 5 



Effect upon larvse 7 



Conclusions 11 



Literature cited 14 



Department Bulletin No. 1052. — Rations for Feeding Poultry in the 

 Packing House: 



Purpose of investigation • 1 



Methods of procedure 2 



Results of investigation 3 



Discussion of results 17 



Compounding rations 22 



Department Bulletin No. 1053. — Studies op Certain Fungi of Economic 

 Importance in the Decay of Building Timbers: 



Introduction 1 



Basidiospores 4 



Sources of basidiospore material 4 



Methods used in the basidiospore studies 5 



Germination of the basidiospores 5 



Retention of the viability of the basidiospores 11 



Observations of the casting of the basidiospores 14 



Observations on the dissemination of the basidiospores Trametes serialis. 16 



Mycelium 19 



Preparation of cultures 19 



Macroscopic appearance of cultures grown at room temperature 19 



Microscopic characters of the mycelia on malt agar 22 



Differentiation of the cultures upon agar 24 



Effect of temperature on the growth of the mycelium 25 



Secondary spores 26 



Intramural dissemination of fungi causing decay 26 



Pie view of the literature of secondary spore formation 32 



Occurrence of the secondary spores in cultures of the fungi studied 30 



( termination .studies of the secondary spores 32 



Experiments upon the dissemination of the oidia of Levzit.es sepiaria 36 



Occurrence in buildings of the secondary spores of the fungi studied 3S 



Summary 38 



Literature cited 48 



i mi i Hi i.m ,tj\ No. 1054. — Comparison of Corn Oils Obtained by 

 Expellee and Benzol Extraction Methods: 



Introduction 1 



( haracter and composition of corn oil 2 



k<; Lew of pre . lOUS investigations 2 



Experimental work 8 



Method of selecting material 8 



Benzol extraction of corn germs and oil cake 8 



Removal of the olvenl 9 



Appearance and character of the crude nils i<> 



rung the oils 1 1 



Comparison of the finished oile W 



Summary L6 



Literature cited 17 



