LETTER XVIII. 



To the same. 



, 1768. 



EAR SIR, I received your obliging and 

 communicative letter of June the 28th, 

 while I was on a visit at a gentleman's 

 house, where I had neither books to turn 

 to, nor leisure to sit down, to return you an 

 answer to many queries, which I wanted to 

 resolve in the best manner that I am able. 

 A person, by my order, has searched our brooks, but could 

 find no such fish as the Gasterosteus pungitius : he found the 

 Gasterosteus aculeatus in plenty. This morning, in a basket, 

 I packed a little earthen pot full of wet moss, and in it some 

 sticklebacks, male and female ; the females big with spawn : 

 some lamperns ; some bull's heads ; but I could procure no 

 minnows. This basket will be in Fleet Street by eight this 



