FOWLER: ADDRESS TO LINCOLNSHIRE NATURALISTS. 153 
Council of the Entomological Society to enquire into the matter 
generally, and, if possible, to devise a plan by which some of the 
rapidly disappearing species may be yet preserved. 
is, perhaps, may seem to have but little bearing upon the 
natural history of the county, but I have not much doubt that some 
0 those now extinct insects were once common in the Lincolnshire 
fens ; in fact, through Mr. Barber, whom I have before mentioned, 
I thought I had secured some evidence of the occurrence of the 
machaon), the most conspicuous of all our British insects, ought 
certainly to occur in Lincolnshire, and I believe that it has been 
found, but I cannot come across any authentic record. ‘This 
meensinl species will soon be exterminated from its chief haunt, 
Wicken Fen, but it will still linger in many inaccessible localities 
n 
betule (the Brown Hair-streak) and Afatura iris (the Purple 
“Mperor) are well worthy of record. A stray specimen of Vanessa 
vtopa (the Camberwell Beauty) has occurred this summer at Brace- 
In elitea artemis (the Greasy Fritillary) and 
oe Gonepteryx rhamni (the Brimstone) may be noticed as very 
sa and of Satyrus tithonus (the Large Heath) only three specimens 
Hp apparently, been taken. These were captured by the Rev. G. 
aynor (from whom I have received some most valuable notes) 
©ccurrence of the Death’s Head Moth caterpillar during 1895 and 
noticed. Unfortunately a considerable number have 
a. Large and Small Elephant Hawk Moth (Cherocampa 
— C. forcellus), and the Broad and Narrow-bordered Bee 
» 
