Courtship of certain Huropean Acridtide. 237 
place. In the above-described attitude the hold of the 
male appeared to be very precarious, and it seemed that 
he would have been shaken off by a comparatively shght 
movement on the part of the female. 
During the second half of the period of observation, the 
male made more frequent and vigorous attempts, and I 
noticed that from time to time he gently nibbled the 
female with his mandibles in the dorsal and upper part of 
the lateral thoracic regions. ‘The female, however, 
appeared to be entirely indifferent to his attentions ; and 
sometimes when the male was making the most energetic 
attempts she would calmly begin to eat the leat “of a 
plant. On two occasions she finished, or nearly finished, 
a small leaf, and many times nibbled parts of leaves. 
Although she seemed to prefer the green leaves, she 
sometimes ate portions of brown ones. Five times the 
female ejected feces; once I thought the male did so, 
but it may merely have been getting rid of some foreign 
particle which had accidentally adhered. In the case of 
the female there was no doubt. 
Although the female did not attempt to get rid of the 
male, she showed her indifference to his presence not 
only in the manner already described, but by walking and 
hopping about, often at the most inconvenient times, B By 
3.49 copulation had not commenced, and I could wait 
no longer. Both insects were then captured for 
identification. 
All the observations recorded above were made quite 
close to the insects. By keeping as still as possible, 
and moving very gently when it was necessary to 
follow them, it was easy to bring the eyes within six or 
eight inches of the insects without disturbing them 
at all. 
August 30.—I saw many of the same species in copula 
beside the upper road, or rather path, leading from the 
Weisshorn Hotel to Zinal. ‘he terminal seg rments of the 
male’s abdomen are turned upwards, in the position indi- 
cated by the attempts already described. ‘I'he alternate 
movements of the third legs continue from time to time 
during coitus: in one case (which may have been the 
beginning of copulation) a female was seen to stretch out 
the third legs from time to time, and make a rapid 
shivering movement. With the above exception, the 
female hopped and walked about freely during the pro- 
