ROBERTSON, W. (190AB) African Coast fever. J. Comp. Path., 17(3): 

 2L^221. 



ROBEnISON, E. M. (1923) Non-specific galL-sickness of cattle in 

 South Africa. J. Dep. Agric. S. Afr., 6(2):137_U3. 



ROBINSON, E. M. & COLES, J. D. W. A. (1932) A note on Aegyptianella 

 pnl 1 nrnm in the fowl in South Africa. Rep. vet. Res. 

 S. Mr., l8(l):31-34. 



ROBINSON, G. G. (19A2A) The penetration of pyrethrura through the 

 cuticle of the tick, Ornithodorus moubata Murray (Arga- 

 sidae). Parasitology, 3AUV: 113-1^ 



(19A2B) The mechanism of insemination in the 

 argasid tick, Ornithodorus raoubata Murray. Ibid , 34(2): 



195-198. 



(19A2C) Fertility in the argasid tick, Ornithodorus 

 moubata , Murray. Ibid , 3A;(3-4):30a_3U. 



il9U2D) The quantitative interaction of spray fluid 

 and active principle in determining the toxicity of a 



pyrethrum preparation to the argasid tick, Ornithodorus 

 moubata Murray. Ann. appl. Biol., 29(3): 290- 300. 



(19/V3A) Cases of abnormal development in the ar_ 

 gasid tick, Ornithodorus moubata . Parasitology, 35 



(]-2): 23-26." 



(19/V3B) The use of a plaster substratum for testing 

 pyrethrum-oil films against Ornithodorus rooubata , Murray 

 (Acarina: Argasidae). Bull. ent. Kes., 3AW;:2b9-277. 



(19UA) Testing insecticides on the argasid tick, 

 Ornithodorus moubata , Murray. Ibid, 35 (2): 95-99. 



(19/^) More cases of abnormal development in the 

 argasid tick, Ornithodorus moubata Murray. Parasitology, 



36(]-2): 95-97." 



- 10/,5 - 



