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gauze containing 16 strands or 15 meshes to the inch, but could not 
pass 20 strands or 19 meshes to the inch. 
It is therefore evident that the large-meshed mosquito bars ordi- 
Fig. 4.—Showing screen containing 16 strands or 15 meshes to the 
inch. Allows male and female stegomyia fasciata to pass. 
Fig. 5.—Showing screen containing 20 strands or 19 meshes to the 
inch, through which stegomyia fasciata can not pass. 
narily used in this latitude would not offer proper protection, and that 
window screening must also be of a finer wire than is sometimes 
employed. 
