XVII 



P. GEDWORT FOULKES, Destruction of Thistles .... Page 346 



MASSEE G., Diseases of Cultivated Plants and Trees .... 347 



C. K. BANCROFT, Researches on the Life History of Parasitic Fungi 348 



G. MASSEE, Evolution of Parasitism in Fungi 349 



M. C. POTTER, Bacteria in their Relation to Plant Pathology . 349 



G. J. ATKINSON, Some Fungus Parasites of Algae 350 



WILLIAM CARRUTHERS, Bronws raccmosus L. and Oats. On some 



Diseases of Crops 350 



C. C. CORNWALL, Influence of Cropping on Resistence to Finger- 



and-Toe 350 



SIBYL LONGMAN, The Dry-rot of Potatoes , . . 351 



Internal Brown-rot or Sprain of Potatoes 551 



G. M., Potato Diseases 352 



Some Potato Diseases 352 



The Spread of Wart Disease (Black Scab) of Potatoes .... 353 



E. RIEHM, The Wart Disease of the Potato in England . . . 353 



EDWIN F. SMITH, Tomato and Potato Bacteriosis 353 



Wart Disease of Potatoes 354 



W. J. Z., Black stripe in Tomatoes 355 



American Gooseberry Mildew 356 



BROOKS and BARTLETT, Two New Gooseberry Diseases . . . 359 

 T. F. BROOKE and A. W. BARTLETT, Gooseberry Diseases in 



Cambridgeshire 359 



Strawberry Leaf-Spot 360 



Leaf Disease of Celery 361 



G. J. SCHWARTZ, A New Parasitic Disease of the Juncaceae. 



Preliminary notice 361 



Shot-hole Fungus (Cercospora circmnscripta Sacc.) 862 



F. T. BROOKS, The Cause of the Cherry-leaf Scorch Disease. . 364 

 E. S. SALMON, A Canker of Apple Trees caused by the Brown 



Rot Fungus 364 



DUKE OF BEDFORD and SPENCER U. PICKERING, Silver-leaf Disease 365 



Leaf-shedding in Conifers due to Botrytis cinerea 365 



*W. BORTWICK, Peziza Willkommii on Larches 366 

 W. BORTWICK, Peziza Willkommii on Larix occidental is Nutt. 



and Lari.r leptolepis Gord 366 



W, BORTWICK, Frost Canker of Picea sitchensis 367 



W. BORTWICK, A New Disease of Picea 367 



C. E. C. FISCHER, The Biology of Armillaria uiucida .... 367 





XXXII Animal and Insect Pests. 



SHARP, The Zoological Record 368 



FRANCES PITT, Field Mice and their natural Enemies .... 368 



G. DALGLIESH, Yellow-necked Field-mouse (Mus Flavicollis} . . 369 



LIONEL G. ADAMS, Moles and Molehills 369 



BOELTER W. R.. The Rat Problem 369 



W. R. BOELTER, Draft of the English Rat Laws 371 



G. M. YOUNG, Report on the Use of Virus for Extermination of 



Rats 373 



