DEPAKTMENT OF ZOOLOGY. 



167 



20. Rhododendron Flies (Stephanitis rhododendri) sent for 



identification from Fulham. 



21. Gall-mites, causing injury to black currant bushes and 



to hazel {Eriophyes ribis and Eriophyes sp.). 



22. Mites(i>ce^«^s agilis and Lcelaps sp.), parasitic on sewer 



and house rats, some of which were believed to be 

 infected with the plague bacillus. 



VIT. — Students and Visitors. 



The number of visits paid during the year to the three 

 sections of the Department by Students arid other persons 

 requiring assistance or information amounted to 12,443. In the 

 ten previous years the numbers were :— 



11,461 in the year 1909. 



10,220 „ 1908. 



11,043 



1907. 



10,813 



1906. 



11,811 



1905. 



11,824 



1904. 



11,627 



1903. 



10,633 



1902. 



12,813 



1901. 



11,923 



1900. 



Sidney F. Harme'i 



