70 Tree Plavthig in the Slack Country. 



English strains of the Nosema parasite react similarly to the 

 same temperature. It is believed that the results of work 

 of this nature will be directly applicable to the control of this 

 and other bee diseases. 



A. D. IMMS, M.A., D.Sc. 



Department of Agricultural Entomology, 

 University of Manchester. 



Literature on the Isle of Wight Bee Disease. 



1911. Fantham, H. B., and Annie Porter. A Bee Disease due to a Protozoal 



Parasite {Nosema apis). Proc. Zool. Soc. London, p. 62.5. 



1912. Graham-Smith, G. S., Fantham, H. B., Porter, A., Bullamore, G. W., 



and Maiden, W. Report on the Isle of Wight Bee Disease. Supp. 

 S to Journ. Bd. of Agriculture, Vol. XIX. 



1913. Ihid. Further Report on the Isle of Wight Bee Disease. Sitp]>. 10 



to Journ. Bd. of Agriculture, Vol. XX. 

 1907. Imms, A. D. Report on a Disease of Bees in the Isle of Wight. Jmn-n. 



Bd. of Agriculture, Vol. XIV., p. 129. 

 1909. Maiden, W. Further Report on a Disease of Bees in the Isle of Wight. 



Journ. Bd. of Agriculture, Vol. XV., p. 809. 

 1912. Phillips, E. F., and White. G. F. Historical Notes on the Causes of 



Bee Diseases. Bull. U.S. Bept. of Agriculture, Bureau of Entom., 



Xo. 9S. 



1914. White, G. F. Destruction of Germs of Infectious Bee Diseases by 



Heating. Bull. U.S. Bept. of Agriculture, No. 92. 

 1909. Zander, E. Tierische Parasiten als Kraiikheitserreger bei der Biene. 



Miinchener Bieyienzeitiong, Hft. 9. 

 1911. Ibid. Krankheiten und Schiidlinge der erwaschen Bienen. Handhuch 



der Bienenkunde, Vol. II. 



TREE PLANTING IN THE BLACK COUNTRY. 



In a very practical age it is not easy to interest people in 

 schemes which do not promise a fairly speedy profit. For 

 good or ill everyone is anxious to see his money back at the 

 earliest opportunity, and the idea of making an investment 

 which is not likely to yield any return for ten years at least is 

 very uninviting. On this account it has always been a very 

 difficult matter to stir up enthusiasm on the question of affores- 

 tation, a business in which the fruition of profits is naturally 

 slow. It is all the more intei'esting, then, to consider the work 

 which is being carried out by that energetic body, the Midland 

 Reafforesting Association. Founded in the year l'.>03 this 

 association was started with the idea of turning to good account 

 the large amount of land which has been laid waste in the 

 Black Country owing to the operations of the iron and coal 

 industries. As is well known the whole of a huge area in this 

 part of England is dotted all over with vast heaps of pit rubbish 

 which are not only terribly unsightly, but also absolutely 

 unj)roductive. The Midland Reafforesting Association set out 



