108 SCIENTIFIC REPORTS OF THE AGRICULTURAL RESEARCH 



(vi) Citronella oil, (vii) Kerosine oil, (viii) For- 

 malin, (ioc) Acetic acid, (cc) Mustard oil, (xi) 

 Tincture of Iodine, (ocii) Methylated spirit. 

 (2) (i) Phenol, Citronella, Anilin, Thymol, Methylated 

 salicylate, (ii) Benzine, Acetic acid, Iodoform, 

 Cresol, Carvacrol and Amyl alcohol. 



" 2. Electrical X-rays experiment. Mosquito larvae of 

 various ages, pupae and imagines were exposed. The effect 

 of the one-minute exposure on the newly hatched (one hour 

 old) larvae was very prominent, all of them dying within 

 29 hours. The other stages did not seem affected. This 

 experiment could not be repeated owing to want of facilities. 



" 3. Observations were made on the effects of depressants 

 on rats. Small doses of cocaine mixed up with bajri flour, 

 formed into a dough and made into small balls, were offered 

 to Mus rattus. The rats were kept singly in cages. At 

 the end of three days the rats developed peculiar symptoms ; 

 they grew wild and bit at my hand and also at cage bars 

 and other materials when offered to them. On the eighth- 

 day they showed cannibalistic symptoms and destroyed one 

 another. 



" 4. Mosquito classification work was continued." 



