VIII CONTENTS 



III. — Diseases due to Bacteria Fungi and other Lower Pi.ants. 



General. — 807. On the Original Range of Spongospora sublcrranea. — 808. Changes in the 

 Chemical Composition of Rye Seed due to the Action of Certain Forms of Fiisarium. 



Resistant Plants. — 809. Experiments on Smut Resisting Powers of Different Varieties 

 of Wheat. — 810. Variation in the Resistance of Vines to Mildew. 



Diseases of Various Crops. — 811. Morphology and Conditions of Develoj mtnt of the " Scle- 

 rotiuni Disease of Clover" [Scleroiima inioliorum). — 812. VsMiva zonaia on Hevea 

 brasiliensis in the Federated Malay States. 



813. Fungoid Diseases of the Sugarcane at Tucumto (Argentine). — 814. Fimgus Diseases of 

 Coffee in Malaj'a. — 815. Ascochyta hortoitim, a new Pest of the Artichoke in Italy. — 

 816. Septoria Apii var. Magnusiana and S. Apii-Graveolentes n. sp., injurious to Celery in 

 the Neighbourhood of Petrograd. — 817. A New Disease of the Bamboo caused by Scir- 

 rhia bamhusae n. sp., in Italy. — 818. Ascochyta clemaiidina on Stems and I<eaves of Cle- 

 matis. — • 819. Investigations into a Disease of the Cones of PIjiks pinea in liaiy . — 

 820. Common Phosphorescent Toadstool [Pleurotus nidifoimis) and " Sticky Timber Pho- 

 liote " (PhoHota adiposa) Agaricineae attacking Wood, in Australia. 



IV. — Weeds and Parasitic FXowering Plants. 



General. - — S21. Goatsrue [Galega officinalis) a Weed in New Zealand. 



V. — Injurious Insects and other Lower Antmai^. 



General. — 822. The Entomological Society of Moscow, Russia. — 823. Insect Pests of Plants 

 Cultivated in European Russia, in 1914. — 824. Diaspids Collected in Southern Italian 

 Somaliland. — 825. Some Miscellaneous Economic Insects found in New Jersej'. 



Means of Prevention and Control. — 826. Diplogaster labiata n. sp. and D. aerivora n. sp. 

 Nematode Parasites of Sapcrda tridentata and Leucotermes lucifugtts, in Kansas. — 

 827. The Efficacy of Apheliniis silvestrii in Control of ChiysomphaJus diciyospernii, in Si- 

 cily. — 82S. Efficacy of Various Arsenic Preparations in Control of Insect Pests. — 



829. The Efficacy of Hot Water Treatment against " Cochj'lis " and " Eudemis ". — 



830. Bridge Grafting for saving Fruit Trees with Injuries due to Animals or Mechanical 

 Causes. 



Insects etc. injurious to Various Crops. — 831. Triaenodes bicolor and Hydrocampa nym- 

 phaeta in the Rice Fields of the Province of Milan, Italy. — 832. Tychitis quinqucpt>nctatvs, 

 a Coleopterous Pest of Beans in Apulia, Italj'. — 833. Ligynis jossator and L. fossor, Co- 

 leoptera attacking Sugar Cane, in Brazil. — 834. The I<eopard Moth (Zctizera pyrina) a 

 Dangerous Imported Insect Enemy of Shade Trees in the United States. — 835. Pseudo- 

 coccus citri, P. bakeri, P. cittophilus and P. longispimts in the Citrus Plantations of 

 Southern California. — 836. The Woollj^ Whitefly [Alextrothiixvs houardi) in Florida 

 Citrus Plantations. — 837. Icerya pwchasei in Florida, United States. — 838. Bombyx 

 pint, a Spanish Pest of Pine. — 839. Lyda hypotrophica , a Hymenopterous Pest of Epicea 

 in the Forests of Roggcnburs, Gennanv. , 



The Bureau assumes no responsibility with regard to the ojiinions and the results of exper- 

 iments outlined in the Bulletin. 



The Editor's notes are marked (£</.). 



