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IV CONTENTS. [Vol. 40 



Page.* 



The market gardener: Economic production of vegetables for the market- 536 



The inheritai of seed coat color in garden beans, Shaw and Norton 536 



Washington asparagus: Information and suggestions for growers, Norton- 538 



Asparagus, Sutton . 538 



Hybridization of eggplants, Bayla * 538 



Acreage totals and values of California fruits for 101S 538 



The testing of a new tree crop for hardiness. Fairchlld 538 



Experiment on the culture of grapes In cordon, Godet 538 



New direct bearers, I-II, de Arana y Franco 538 



Crossing Investigations with grapes, Rasmuson 538 



Fertilizer experiments in vineyards. Dussere 538 



A study of the effects of freeze-' on citrus in California, Webber et al 53 I 



Propagation and culture of the date palm, Drummond 540 



investigations with pecans. Matthews 540 



< >n hybridization of some species of Snlix, Ikeno 540 



Chrysanthemums for greenhouse and garden, Crane 540 



studies of Inheritance in the Japanese Convolvulus, Miyazawa ~>»i 



Dahlias and their culture, Howe 541 



New species of Rhododendron, Balfour 543 



Note on the origin of a mutation in the sweet pea, Punnett 541 



1 0KE8TRT. 



Regional spread of moisture in the wood of trees, T, Cralb 541 



Notes on North American trees, IV. Sargent 542 



Botanical Identifications of British Guiana trees and plants. Hohenkerk 542 



Synopsis of the genus Ochroma, with descriptions of new species, Rowlee 54 



Investigation of the oil palm and its products, Johnson 542 



Forests and forest planting 542 



Recreation uses on the National Forests. Waugh 542 



Fifth biennial report of the state ('..tester, Van Hook 542 



Biennial report of the Forestry Commission for 1918 r>!.". 



PulpwOOd consumption and wood-pulp production in HUT, Smith 543 



DI8 W n \nts. 



Handbook of plant disease and pest control, smith. Esslg, and Gray 543 



Histological studies on potato leaf roll, Artschwager 54:? 



Wart of potatO€8: A disc's,, new to the United Staiis. Kunkel 5b? 



Further data on susceptibility of rutaceous plants to citrus canker, Lee__ 544 



pecan rosette in relation to Boil deficiencies, McMurran 544 



Brown canker of roses caused by Diaporthe umbrima, Jenkins nit 



Seedling diseases of conifers, Hartley. Morrill, and Rhoads 51. > 



Parasitism, morphology, and cytology of Cronartium ribicola, Colley 545 



New researches on the variability of plantation l'ara rubber, Baton 546 



ECO-SOM tC ZOOLOGY — ENTOMOLOGY. 



The rodents of Iowa, Stonor 646 



The albino rat and the Norway rat, Donaldson 546 



The rat and infant lie paralysis. — A theory. Richardson 546 



Description of a new seaside sparrow from Florida, Howell 547 



[Contributions on economic insects] •~ ,1 ~ 



Insect visitors to blossoms of wild blackberry ami spirea, P.lackman ">17 



Revised check list of British terrestrial Isopoda (wood lice), Collinge 547 



The pear thrips in British Columbia, Cameron and Trchcrne 5 I i 



Control of the onion thrips, Chittenden 



The possible spread of Influenza through the bedbug, Friedman 548 



The periodical cicada or seventeen year locust, Cory 549 



bate dormant treatment for the control of apple aphids, Regan 549 



Present conditions Of lac cultivation in the plains Of India, Misra 550 



Trench fever. -Report of clinical observations and research, Byam et al»_ 550 



The transmission of relapsing fever by the body louse. Koch _ 550 



Government report on laundry machinery, Pierce el al 551 



The birch case bearer in Sweden, 1915 1P17, Ketnnor 551 



Olethreutes variegana Injurious to fruit trees in Italy. Sarfa 6S1 



