244 'SALMONIA. 



female, and take care of her eggs ; then* ex- 

 traordinary mode of acquiring and defending 

 the aphides and cocci, which bear to them 

 the same relation that cattle do to man, 

 which are fed by them with so much care, 

 and the milk of which forms so important 

 a part of their food; the predatory excur- 

 sions of a particular species to carry off pupa, 

 which they bring up as slaves. 



HAL. To enter into any of the details of 

 the history of insects in society, would carry 

 us into an interminable, though interesting 

 subject, that would soon lose all relation to 

 fly fishing ; and I fear what I have to say, 

 even on the winged insects connected with 

 this amusement, will occupy too much of 

 your time, for we have not more than an 

 hour to devote to this object. 



POIET. Tell us what you please ; we are 

 attentive. 



HAL. The various individuals of the 

 gryllus, or grashopper tribe, spring from 

 larvae that do not differ much from the per- 

 fect insect, except in possessing no wings. 

 The eggs are deposited in our meadows, 



