135 



or some blotting paper soaked in pure creosote in 

 order to prevent mould. Collecting boxes should be 

 moistened to the extent of making the cork shew 

 through the paper (Newstead). 



Fig. 49. Authors' Method of Preserving Mosquitoes 



Endeavour always to collect both male and female, 

 at least two of each, and, what is of the greatest 

 possible importance for the advance of our knowledge 

 of mosquito classification, the careful description of 

 ova and larvae. 



