Archive image from page 344 of The descent of man and. The descent of man and selection in relation to sex descentofmansele001darw Year: 1909 these organfi for burrowing in sand-bank-s and making tiicir nesU. Tlie tar«i of the front-legs arc dilateroa«l cuhIuouh of liairs; and in many genera of water-beetles they are armed with a round tlat KUcker, so that the male may adhere to tho Hli|)|>ery Ixwly of the fniale. it !-> amueh more uiuisual cir- ( UMiHtanc'C that the fc-inaies of .-Mme water-lxxtles (Dyti-t ufij have their elytra deeply grooved, and in Ac Hi us aui- ra/iiJt thickly se
Archive image from page 344 of The descent of man and. The descent of man and selection in relation to sex descentofmansele001darw Year: 1909 these organfi for burrowing in sand-bank-s and making tiicir nesU. Tlie tar«i of the front-legs arc dilateroa«l cuhIuouh of liairs; and in many genera of water-beetles they are armed with a round tlat KUcker, so that the male may adhere to tho Hli|)|>ery Ixwly of the fniale. it !-> amueh more uiuisual cir- ( UMiHtanc'C that the fc-inaies of .-Mme water-lxxtles (Dyti-t ufij have their elytra deeply grooved, and in Ac Hi us aui- ra/iiJt thickly set with hairn, as an aid to the male. The females of some other watc r- Ix'etles (nydro|>oniH) have their elytra punctured for the -anir »bjfet. In the male f f 'nihro rrif/rariuji (fiir. h) it in the tibia whieh i dilate«l into a broa! horny plnte, with mi- nute membranei)us dntx, giv- ing to it a singular ap|M ar. like that of a riddle/ In tl» > mall tif IVnthe (a genus « ' !⢠I a few of the middh joints (f the a dilahil and fumi<«)i«'4l on the infi-rinr â¢< with ⢠of hair, exactly like thtHH. on tlie tarm oi tho Cai .ii i We ha0 brre a ntrioac ftiMj ahW eâ0 ot dtiâtpiibi. far of Ihr r««MlM of ftNir BMUIMAtt »(NaM« oC DjTtlPCWi, uA of CVfUki an I' '. i»r ftmv »hâ » lnfrrmr-tUl#
Size: 1485px × 1347px
Photo credit: © Actep Burstov / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1900, 1909, archive, book, bookauthor, bookcentury, bookdecade, bookpublisher, booksubject, bookyear, darwin_charles_1809_1882, drawing, evolution, heredity, historical, history, human_beings, illustration, image, natural_selection, new_york_d_appleton_and_company, page, picture, print, reference, vintage
