The descent of man, and selection in relation to sex . le by imitating it, to take them without bait. ^^ If thisstatement is trustworthy, we have an instance in this,the lowest class of the Vertebrata, of Avhat we shallfind prevailing throughout the other vertebrate classes,and which prevails, as we have already seen, withinsects and spiders ; namely, that vocal and instru-mental sounds so commonly serve as a love-call or asa love-charm, that the power of producing them wasprobably first developed in connection with the propa-gation of the species. 3 The Kev. C. Kingsley, in ^Nature, May, 1870
The descent of man, and selection in relation to sex . le by imitating it, to take them without bait. ^^ If thisstatement is trustworthy, we have an instance in this,the lowest class of the Vertebrata, of Avhat we shallfind prevailing throughout the other vertebrate classes,and which prevails, as we have already seen, withinsects and spiders ; namely, that vocal and instru-mental sounds so commonly serve as a love-call or asa love-charm, that the power of producing them wasprobably first developed in connection with the propa-gation of the species. 3 The Kev. C. Kingsley, in ^Nature, May, 1870, p. 40. 24 SEXUAL SELECTION. Part IL Amphibians, Urodela.—First for the tailed amphibians. Thesexes of salamanders or newts often differ much bothin colour and structure. In some species prehensileclaws are developed on the fore-legs of the malesdurino: the breedinsi-season; and at this season inthe male Triton palmii:>es the hind-feet are providedwith a swimming web, which is almost completelyabsorbed during the winter; so that their feet then.
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Keywords: ., boo, bookcentury1800, bookdecade1870, booksubjectnaturalselection
