SENSE OF TOUCH. 



19 



Would not, indeed, be then so easy to secure a fly, 

 when animated with the enlivening influence of the 

 sunshine, and the web would stand the chance of 

 more t>equent and extensive breaches. But be the 

 causes what they may, spiders most usually hunt in 

 the night ; and, as we have remarked, also in the 

 day, during cloudy weather ; for during bright sun- 

 shine, it is rare to see one making or mending a 

 web. * Whether this singularity arises from the effect 



Red underwing {Catocala Nupta). 



* J. R. 



