98 AN INTRODUCTION TO THE STUDY OF VIRUSES 
Storey, H. H. The inheritance by an insect vector of the ability to 
transmit a plant virus. Proc. Roy. Soc., B.112 (1932), pp. 46-60. 
Storey, H. H. Transmission of plant viruses by insects. Bot. Rev., § 
(1939), pp. 240-72. 
SyVERTON, J. T., and Berry, G. P. Hereditary transmission of the 
Western type of equine encephalomyelitis virus in the wood tick 
Dermacentor andersoni Stiles. J. Exp. Med., 73 (1941), pp. 507-30. 
Tracer, W. Multiplication of the virus of equine encephalomyelitis 
in surviving mosquito tissues. Amer. J. Trop. Med., 18 (1938), p. 387. 
Watson, M. A., and Roserts, F. M. A comparative study of the 
transmission of the Hyoscyamus virus 3, potato virus Y, and 
cucumber virus 1 by the vectors Myzus persicae Sulz, M. circum- 
flexus Buckton, and Macrosiphum gei Koch. Proc. Roy. Soc., B.127 
(1939), Pp. 543-76. 
Chapter IV 
Bepson, S. P. in A system of bacteriology, 7 (1930), p. 351. 
Bepson, S. P., and Knicut, E. An anaemia in hens associated with 
an increase in the yellow pigment normally present in certain 
tissues of these birds. J. Path. Bact., 27 (1924), p. 239. 
Brack, L. M. A virus tumor disease of plants. Amer. J. Bot., 32 (1945), 
pp. 408-15. 
Brack, L. M. Plant tumours induced by the combined action of 
wounds and virus. Nature, London, 158 (1946), pp. 56-7. 
Brack, L. M. Virus tumors in plants. Sixth Growth Symp., U.S.A. 
(1947), pp. 79-84. 
BRONFENBRENNER, J., MucKENFusS, R. S., and Hetier, D. M. The 
study of the intimate mechanism of the lysis of bacteria by bacterio- 
phage. Amer. Jour. Path., 3 (1927), p. 562. 
ELLERMANN, V. The Leucosis of fowls and leucaemia problems. (Glydendal, 
London, 1921.) 
Laiwiaw, P. P. in A system of bacteriology, 7 (1930), p. 232. 
Lucxt, B. A. Carcinoma in the leopard frog: its probable causation 
by a virus. J. Exp. Med., 68 (1938), p. 457. 
McKintey, E. B. Filterable virus and rickettsiae diseases. Philipp. 
J. Sci., 39 (1929), Monogr. 7. 
Rous, PEYTON in Virus Diseases. (Cornell University Press, Ithaca, 
New York, 1943), p. 147. 
SHopr, R. E. Infectious papillomatosis of rabbits. J. Exp. Med., 58 
(1933), p- 607. 
