﻿8 DEPARTMENT OP AGRICULTURE BULS. L126-1150. 



Department Bulletin No. 1146. — The Influence of Copper Sprays 



on the Yield and Composition of Irish Potato Tubers — ConM. page. 



General discussion 21 



Summary 23 



Literature cited 24 



Department Bulletin No. 1147. — Chemical, Physical, and In- 

 secticidal Properties of Arsenical-: 



Purpose of investigations 1 



Arsenica Is studied 1 



Chemical properties of arsenicals 2 



Physical properties of arsenicals 20 



Comparat ive toxicity of arsenicals 24 



General properties of arsenicals 50 



Summary 53 



Literature cited 55 



Department Bulletin No. 1148. — Comparative Spinning Tests of 

 Superior Varieties of Cotton (Grown under Weevil Condi- 

 tions in the Southeastern States; Crop of 1921) : 



Purpose of tests 1 



Importance of pure varieties 1 



Varieties of cotton tested 2 



Origin of the cotton 2 



Classification of the cotton 2 



Mechanical conditions 2 



Percentages of waste 2 



Moisture conditions 3 



Breaking strength of yarns 4 



Irregularity of yarns 5 



Manufacturing properties 5 



Summary 6 



Department Bulletin No. 1149. — -Absorption and Retention of 

 Hydrocyanic Acid by Fumigated Food Products: 



Introduction 1 



Review of literature 2 



Purpose of investigation 4 



Experimental work 4 



Summary 15 



Bibliography 15 



Department -Bulletin No. 1150. — Accounting Records and Busi- 

 ness Methods for Livestock Shipping Associations: 



What forms are needed 3 



Scale ticket 3 



Manifest 4 



Prorating sheet 6 



.Member's statement 6 



Shipment record envelope 7 



Shipment summary record 9 



The cash journal 10 



Operating the cash journal 11 



Information needed to determine the business standing 16 



Description of the accounts 18 



Advances to shippers 22 



Sales subject to inspection 22 



The need of permanent records 23 



Records as a protection to managers, directors, and others 23 



Records as a guide to management 23 



.Monthly and annual reports 24 



Analyzing the business 28 



Who should keep the books? 29 



Marketing methods 30 



Terminal market methods 30 



Grading and prorating at home 33 



Problems involved in prorating 34 



Filling out the prorating sheet 38 



Prorating mixed shipments 41 



Short-weight and mixed carloads 45 



Illustrative transactions 47 



