. Il popolare di storia naturale . Zoologia. Le lucertole. 4Â"7 scale del retro sono piatte e lisce, e vi è anche una serie di piuttosto grandi proiezioni tubercolare disposti in dodici righe distinte. Ora possiamo arrivare a un importante tribù di lucertole, chiamato con il nome di Strobilosaura, un titolo deriva da due parole greche, uno a significare una "abete-cono" e gli altri "una lucertola," e dato a queste creature perché le scale che coprono le loro code sono impostati in vortici regolari, e recare qualche somiglianza con le scale a sbalzo del fir-cono. In tutti questi rettili la linguetta è th

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. The popular natural history . Zoology. LIZARDS. 4«7 The scales of the back are flat and smooth, and there is also a series of rather large tubercular projections arranged in twelve distinct rows. We now arrive at an important tribe of Lizards, called by the name of Strobilosaura, a title derived from two Greek words, one signifying a "fir-cone" and the other "a lizard, " and given to these creatures because the scales that cover their tails are set in regular whorls, and bear some resemblance to the projecting scales of the fir-cone. In all these reptiles the tongue is thick, short, and very slightly nicked at the tip. The eyes have circular pupils, and are formed for day use. The first family of these Lizards consists of those creatures which are grouped together under the general title of Iguana. Our illustration depicts the Common Iguana. This conspicuous, and, in spite of its rather repulsive shape, reall) hand- some Lizard, is a native of Brazil, Cayenne, the Bahamas, and neighbouring localities, and was at one r trnie very common m J a- ^â ' niaica, from which, however, it seems to be in process of gradual extirpation. In common with those members of the family which have their body rather com- pressed and covered with squared scales, the Iguana is a percher on trees, living almost wholly among the branches, to which it clings with its powerful feet, and on which it finds the greater part of its food. It is al- most always to be found on the trees that are in the vicinity of water, and espe- cially favours those that grow upon the banks of a river where the branches overhang the stream. Though not one of the aquatic Lizards, the Iguana is quite at home in the â wat«r, and if alarmed will often plunge into the stream, and either dive or swim rapidly away. While swimming, it lays its fore-legs against the sides, so as to afford the smallest possible resistance to the v^^ater, stretches, out the hinder legs, and, by a rapid serpentine

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• bookcentury1800
• bookdecade1880
• booksubjectzoology
• bookyear1884