ClUp. X. 
ORTHOPTERA. 
353 
°Re of the Locustidse) is described 28 as mounting on the 
Upper branches of a tree, and in the evening beginning 
“ his noisy babble, while rival notes issue from the neigh- 
“ bouring trees, and the groves resound with the call of 
“ Katij-did-she-did, the live-long night.” Mr. Bates, in 
E peaking of the European field-cricket (one of the Ache- 
bdee). says, “ the male has been observed to place itself 
“ in the evening at the entrance of its burrow, and 
“ stridulate until a female approaches, when the louder 
“ notes are succeeded by a more subdued tone, whilst 
“ the successful musician caresses with his antennas 
“the mate he has won.” 2 ' J 
Or. Scudder was able to 
°Xeito one of these insects 
1° answer him, by rubbing 
°n a file with a quill. 80 
In both sexes a remark- 
able auditory apparatus 
been discovered by 
Ion Siebold, situated in 
Hie front legs. 31 
In the three Families 
Wle sounds are differently I'fe. 10- Gryllus campestris (from Lnndois), 
Produced. In the males of 
Ino Achetidas both wing- 
c °vers have the same 
s h'Ucture ; and this in the 
field-cricket ( Gryllus campestris, fig. 10) consists, as de 
llight-lmnd figure, under side of part of the 
wing-nervure, much magnified, showing 
the teeth, st. 
Left-hand figure, upper surface of wing-cover, 
with the projecting, smooth nervure, r. t 
across which the teeth (st) are scraped. 
Harris, ‘ Insects of New England,’ 1S12, p. 128. 
* 9 ‘ The Naturalist on the Amazons,’ vol. i. 1863, p. 252. Mr. Bates 
a very interesting discussion on the gradations in the musical 
apparatus of the three families. See also Westwood, ‘Modern Class.’ 
7 *>■ p. 415 and 453. 
° ‘ Proc. Boston Soc. of Nat. Hist.’ vol. xi. April, 1868. 
* 1 ‘Nouveau Manuel d’Anat. Comp.’ (French translat.), tom. i. 1850 
P- 567. 
y OL. I. 2 A 
