1910] CONTENTS. V 



A check list of Porto Rican Fungi and a host Index, Stevenson mi 



Plant quarantine las related to planl diseaa - and animals], Stevenson 844 

 Disease In plants with special reference to British Guiana, Bancrofl 



Epitome of bacteria] diseases In Greal Britain and Ireland, Paine mi 



Diseases <>f plants and their treatment, Barker 844 



Diseases new or little known In Prance, Arnaud B44 



Phytopathological report for 1915, Marchal and Arnaud 



Summary reports of entomological and pathological laboratories 845 



Operations against plant diseases In Italy, latlere 845 



Administration reporl of government mycologist for 1917-18, McRae 845 



Mycology and operations against diseases, smart 845 



Bean rust : Control through resistant varieties, Fromine and Wlngard 845 



The blackleg disease of cabbage caused by 1'ltoma Ungam, Henderson v KJ 



Physoderma disease of corn, Tisdale 840 



Note on the organism causing Stewart's disease of sweet corn, McCulloch 846 



Bacterial oat blight, Elliott 



Conference on diseases of potatoes and seed certification, Lyman el al - 846 



Some serious potato diseases, Bastin 847 



Observations on obscure potato troubles Gttssow 847 



Seed tuber treatments for potatoes, Coons 847 



Fusarium blight of potatoes under irrigation, MacMlllan M7 



Internal rust spot disease of the potato tuber, Paine 



The potato wart disease in Pennsylvania, Orton and Kern 



Black wart of potato, Fron 848 



A cane leaf spot, van der Bi.jl 848 



EtOOt disease of sugar cane, Stevenson 848 



An Immune variety of sugar cane, Townsend 



Angular leaf spot of tobacco, Fromme and Murray 8 18 



Ergot on Manitoba wheat, Chifflot __ 849 



The eelworm disease of wheat and its control, Byars 849 



Drought injury to Mcintosh apple, Gtlssow 849 



Apple scald, Brooks, Cooley, and Fisher 



Spraying tests at Te Kauwbata, Shepherd " 



A wither tip of plum trees, Wormald 



[Grape diseases], Etavaz 



[Grape disease], Degrully 



Studies of outbreaks of grape downy mildew in 1915, CapuS 



Recent studies on mildew control, Ravaz 



[Grape] anthracnose, LalTer 850 



Black rot, I'runet 850 



Control of brown rot, Campbell 851 



Brown rot experiments at Arataki, Kodda 851 



Algal disease of cacao, Rorer 8"i 



A root rot of orange in Tripoli, Leone 853 



Susceptibility of a nonrutaceous host to citrus canker, Lee and .Merrill S.M 



Root diseases of tea, Anstead 853 



Black rot of chestnuts, Mangin 851 



The fungus flora of pine seed beds. Rathbun 852 



Incubation period of Cronarttum ribieola on the white pine, stone 852 



Additional quarantines against white pine blister rust, Pierce 852 



[Notes on llevea canker], Keucbenius E 



Phytophthora meadU n. sp. on Hevea brasiliensis, McRae 



A new species of Phytophthora parasitic on the Para rubber tree. McRae 852 



ECONOMIC ZOOLOGY — ENTOMol OOT. 



A synopsis of the bats of California, Grinnell S."v! 



The crow in Colorado, Bergtold v 



Report of the entomologisl of Arizona for put, Morrill v 



[Economic insects in Hawaii |. A gee 



Insects which attract public attention, Weiss S." } 



Annual report of the State entomologist for the year 1915 16, Severln v 



Notes and observations on agricultural entomology, del Guerclo v 



Report of government entomologist for 1917-18, Ramakrishns Ayyar 



A preliminary report on the cotton pests of South Africa, Brain 854 



[Insect enemies of tobacco in Dutch Fast Indies], Keucheuius S54 



