. The descent of man and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. C'llAl". X.] IX SECTS. 333. 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 f*niale. 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
. The descent of man and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. C'llAl". X.] IX SECTS. 333. 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 f*niale. 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 •< with • of hair, exactly like thtHH.* on tlie tarm oi tho Cai .ii i * We ha*0 brre a ntrioac ftiMj ahW e—0 ot dti—tpiibi. far of Ihr r««MlM of ftNir BMUIMAtt »(NaM« oC DjTtlPCWi, uA of CVfUki. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Darwin, Charles, 1809-1882. New York, D. Appleton and company
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Keywords: ., bookcentury1900, bookdecade1900, booksubj, booksubjecthumanbeings
