The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy . rille. ne arest in affinity i. de Bla nviUe unites in on family, n amert ^rtsyniiom .7, the be cause they exhi s, Cypri , 0v\lla, Terebcllum and Volut a. In placing he re the ni st distinct niai GASTEROPODA PECTINIBRANCHIATA. 363. Fig. 176.—CyprH-a eXKnIhenia. an oval; and its a]icrture in the adnlt animal is transversely toothed on each side. The cloak is sufli- cicntly ample to fold over and envelope theshell, which, at a certain age, it covers with alayer
The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy . rille. ne arest in affinity i. de Bla nviUe unites in on family, n amert ^rtsyniiom .7, the be cause they exhi s, Cypri , 0v\lla, Terebcllum and Volut a. In placing he re the ni st distinct niai GASTEROPODA PECTINIBRANCHIATA. 363. Fig. 176.—CyprH-a eXKnIhenia. an oval; and its a]icrture in the adnlt animal is transversely toothed on each side. The cloak is sufli- cicntly ample to fold over and envelope theshell, which, at a certain age, it covers with alayer of shell of another colour; and from thiscircumstance, joined to the change which theaperture undergoes, the full-grown shell may bemistaken for another species. The animal hasmoderate tentacula, with the eyes at their ex-ternal bases, and a thin foot without an oper-culum. IliL colours of the shells arc very beautiful, amimany species are found in our cabinets, though, withvery few exceptions, they all inhabit the seas of tro-pical countries. [Uruguitres was of opinion that theanimal of the Cyprffia, before it arrived at its completegrowth, abandons its shell several times, to formanother more fitted to its dimensions. This opinionis now relinquished.] The , Brug.—Have an oval shell, with a narrow, lengthenedaperture, .is in Cypra;a, but without
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Keywords: ., bookauthorwe, bookcentury1800, bookdecade1840, booksubjectanimals
