Insects Injurious to the Apple. 177 



References. 



(1) Newstead, B. 'Monograph of the Ooooid» of the British Isles,' vol. II., 



pp. 105-113 (1908). 



(2) Fernald, M. B. A Catalogue of the CoooidiE of the World. Bull. No. 88. 



Massachusetts Agricultural College, p. 183 (1903) (= Eulecanium). 

 (8) Reh, Dr. ' Jahrbuch der Hamb. Wissensch. Anstalten,' XVIII., p. 228 



(1900). 

 (4) Theobald, F. V. Eeport on Economic Zoology for the .year ending 



April 1st, 1905, p. 40 (1905). 



