Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . ies sent by you,although it is closely allied to the common Tetrany-chus telarius, and I uever before saw or found any-thing like the curious nest which it the receipt of Mr. Meades note, I have paidsome little attention to the Tetranychus telarius,and find that the network of infinitely minutesilken threads is admirably adapted to its singu-tormed feet, and these are equally well the office of holding on while it perforates thecuticle of the leaf with its


Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . ies sent by you,although it is closely allied to the common Tetrany-chus telarius, and I uever before saw or found any-thing like the curious nest which it the receipt of Mr. Meades note, I have paidsome little attention to the Tetranychus telarius,and find that the network of infinitely minutesilken threads is admirably adapted to its singu-tormed feet, and these are equally well the office of holding on while it perforates thecuticle of the leaf with its rostrum; its hold is sosecure that no amount of washing by means of agarden engine seems to have the effect of removingit. As I have no doubt whatever that these littlecreatures are exclusively vegetable feeders, the webcannot serve, as in spiders, the purpose of securingprey, and it is, moreover, never accompanied by theglutinous particles which render the web of spidersso adhesive. As a matter of course, if the Acaricaa resist the action of a water-engine, they havelittle to fear from the effects of Fig. 91. Tetranychus telarius. The red spider, as it is called by gardeners,having been alluded to iu the above communication,as forming the type of the present genus, it hasbeen figured in this place, although too well knownto all who are associated with greenhouses andconservatories (fig. (JJ) to need further description. Ten years prior to the above communication byDr. Milner Barry, the plane-trees in Regents Parkwere observed by Air. George Wilson to be infestedby sociable mites, of which occurrence the follow-ing account was transmitted to the society alreadynamed:— At the beginning of September, Air. Wilsonsattention was directed to the trees, several of which had the trunks and branches entirely orpartially covered with a very delicate web, uponwhich myriads of a small Arachnidous insect wererunning to and fro, extending their webs rapidlyalong the branches. The we


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Keywords: ., bookcentury1800, booksubjectnaturalhistory, booksubjectscience