374 OBSERVATIONS 



I suspect that the insect here meant is not the 

 phalcena quercus, but the phal&na viridata, concerning 

 wh;ch, I find the following note in my Naturalist's 

 Calendar for the year 1785 : 



About this time, and for a few days last past, I 

 observed the leaves of almost all the oak trees in 

 Denn copse to be eaten and destroyed, and, on 

 examining more narrowly, saw an infinite number 

 of small beautiful pale green moths flying about the 

 trees ; the leaves of which, that were not quite de- 

 stroyed, were curled up, and withinside were the 

 exuvice, or remains, of the chrysalis, from whence I 

 suppose the moths had issued, and whose caterpillar 

 had eaten the leaves. MARK WICK. 



EPHEMERA CAUDABISETA, (MAYFLY). June 10, 

 1771. Myriads of Mayflies appeared for the first 

 time on the Alresford stream. The air was crowded 

 with them, and the surface of the water covered. 

 Large trouts sucked them in as they lay struggling 

 on the surface of the stream, unable to rise till their 

 wings were dried. 



This appearance reconciled me in some measure 

 to the wonderful account that Scopoli gives of the 

 quantities emerging from the rivers of Carniola. 

 Their motions are very peculiar, up and down for 

 many yards almost in a perpendicular line. 



WHITE. 



I once saw a swarm of these insects playing up 

 and down over the surface of a pond in Denn park, 

 exactly in the manner described by this accurate 

 naturalist. It was late in the evening of a warm 

 summer day when I observed them. MARK WICK. 



SPHYNX OCELLATA. A vast insect appears after it 

 is dusk, flying with a humming noise, and inserting 



