llii-'O] CONTENTS. in 



Page. 



TIh' origination of variations in Anrmnuc hcpatica, Oalant 328 



The geiH'tics of UowtT coloratinn in 'I'loinrohnn iiiajiiH, Rasniuson 328 



AiiiitDniical struilinv of wiioat lit>a(ls, Hcuscr 328 



The fruit of Oimiitid fah/ida: I'ci-ciinatioii and proliferation, Johnson 328 



KcvisioM of Iclitliyoinetliia. a fxeiuis used for poisoning; tisli, Bhike 328 



Tlie rriMlinales of Delaware, Jac-l<son 328 



The I'stilairinales of Indiana. Jacl^son 329 



lU'sistance of Mutor z.vfrotes, Nothnagel 32!l 



Kcaclion of culture media, Xoyes 32'.> 



r.nuillon cubes as a substitute in nutrient media, Wyant 329 



FIELD CROPS. 



Work [with field crops] of the Yuma Experiment Farm in 1918, Blair 329 



[Field croj)S work at tl;e Indiana Station [ 330 



[Report of the department of a>rronomy], Roberts 331 



[Work with field crops at the New Mexico Station in 1918-19] 332 



Afcronomy experiments . 332 



Dry farnunj; in the plains area of Montana, IMorjran and Seamans 332 



A crop rotation for a hog farm, Thorne 333 



Short season hay crops. INIegee 3.33 



Why does red clover fail? Stookey 3.33 



Time of applying nitrate of soda to corn, Cauthen and Williamson 333 



Marketing hemp, Humphrey 334 



[Methods of marketing liemp], Humphrey 3.34 



Kudzu. I'ipcr 834 



Experiments with oats, Welton 334 



T'nited States grades for Bermuda onions, Truax 335 



United States grades for potatoes, Truax 3.35 



Wild rice, Fyles 3.35 



Sorghum for sirup in Wisconsin, Wright . 3.35 



Sweet jiotato fertilizer experiment, Scott 3.35 



T'nited States grades for swei't potatoes, Truax 330 



Sunmiary exi)eriments on the toltacco station at Harrow, Ont., Digges .336 



The Colorado pure seed law, Robbins 337 



Commercial agricultural seeds, 1919, Woods 337 



horticultire:. 



[Report on horticultural investigations], Greene 3.">7 



[Report 'on horticultural investigations], Elliott 339 



[Report on liorticultural work] 339 



Horticultural notes from the county farms of Ohio, Ballou and Lewis 3.39 



[Horticultur.il investigations at Yuma Experiment Farm in 1918], Blair_ 339 



Spraying programs for the orchard and fruit garden .■>.39 



Insecticides and fungicide's li)18 and 1919 ;J39 



A simple and pleasing vegetable support, Markham 3.39 



The refrigeration of fruit and vegetable shipments, McK.iy 339 



Selecting nui-sery stock, Thayer .■>.39 



Roilent protection for fruit trees 340 



Dust sjir.tying, (Jossard ^ 340 



Culture .-iiid feeding of the api>le orchard, Ballou and Lewis , — 340 



rruuiug tests in young apple orchards, Ballou and Lewis 341 



Thinning of .apples, peaches, and pUims, Ellenwood an<l Thayer .341 



A test of methods in jiruning the Concord grape, Gladwin 341 



Avocados, p.-irtictilarly Gu.itemalans, Popenoe 342 



Avocado varieties, Yosbury 342 



Citrus fertilizer exiHMiment : A resume of ten j-ears' work, Collison 342 



[Coffee, cacao, and tea in the French Colonies] 342 



[Coffee in the T'ganda I'rotectorate], Ilewett et al 342 



State laws governing the protection and planting of street trees 342 



What shade and omamental trees shall we plantV Bontrager 342 



Broatl-leaved evergreens for Ohio planters, Bontrager 342 



Gard^^ns of celebrities in and around London, MacGregor _ 342 



