. The descent of man and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. 342 SEXUAL SELECTION. [Part IL it can ho hoard during the night at the distance of a mile;" and tliat made by certain species is not umnusical even to the human ear, so that the Indians on the Ama- zons keep them in wicker cages. All observers agree that the sounds serve either to call or excite tiie mute females. But it has been noticed " that the male migratory locust of Russia (one of the Acridiidaj), while coupled with the female, stridulates from anger or jealousy when ap
. The descent of man and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. 342 SEXUAL SELECTION. [Part IL it can ho hoard during the night at the distance of a mile;" and tliat made by certain species is not umnusical even to the human ear, so that the Indians on the Ama- zons keep them in wicker cages. All observers agree that the sounds serve either to call or excite tiie mute females. But it has been noticed " that the male migratory locust of Russia (one of the Acridiidaj), while coupled with the female, stridulates from anger or jealousy when ap- proached by another male. The house-cricket when sur- prised at night uses its voice to warn its ; In North America the Katy-did {Platyphyllum concavum^ one of the Locustidie) is described" as mountinu; on the upper branches of a tree, and in the evening be- ginning his noisy babble, while rival notes issue from the neighboring trees, and the groves resound with the call of Katy-did-she-did the live-long ; ]\[r. Bates, in speaking of the (fro:n I^n- ^'"'^P^''^" field-Cricket (onc Ritth. 1. ^ of tlie Achetidie), says: RiLht-hand n-uro, under Kido of part or «rp, , , /' \ tic «M,--norvun., much maniined "^"^ "^â¢'^'C haS been ob- ^'howui-the teeth,/f/;. «.-,'""ta, ^^ . , Left-hand fiirure, upper Hurfaceof win-- Served tO plaCC itsolf m thc v^o^ja^^r^lS^ fvening at the entrance of â it« burrow, and stridulate until a female approaches, when the louder notes are succeeded l)y a more subdued tone, while thc success- lid musician caresses with his antenna3 the male lie has " L. GuildinfT, ' Transact. Linn. Soc' vol. xv. n Koppcn, as quotcul in the 'Zoological Record,' for 1867 p 460 ' Gilbert White, 'Nat. Hist, of Sclbome,' vol. ii. 1825, p. 262. " Harris, 'Insects of Xcw England,' 1842, p. Please note that these images are extracted from scanned page images th
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