CONTENTS. 



Paob. 



COOPERATIVE FRUIT MARKETING II. G. Johnson 449 



PARKS AND STREET TREES OF RIVERSIDE J. H. Reed 453 



COVER CROPS IN CITRUS CULTURE C. S. Vaile 456 



POTATO VARIETIES Mrs. Hilda B. Nielsen 462 



HORTICULTURAL QUARANTINE IN -SOUTHERN CALIFORNIA 



. A. S. HOTT 465 



WEED DISSEMINATION — O. W. Newman 467 



CROP STATISTICS Geo. P. Weldon 473 



GENERAL NOTES— 



Simply a Matter of Record Frederick Maskew 474 



Who, When, and What A. J. Cook 474 



Scientific Progress A. J. Cook 475 



Potato Meetings Geo. P. Weldon 475 



COUNTY COMMISSIONERS" DEPARTMENT— 



Cracking of Prunes Earl L. Morris 476 



CALENDAR OF INSECT PESTS AND PLANT DISEASES— E. J. Vosler 477 



INSECT NOTES 484 



QUARANTINE DIVISION— 



Report for August, 1915 Frederick Maskew 485 



