The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy . , tud under side of its be&k. THE THIRD FAMILY OF THE TRACHEAN ARACHNIDA,— The Holetra (Hermann),— Has the thorax and abdomen united into a mass, beneath a common epidermis. The thorax is at most divided into two by a strangulation; and the abdomen merely presents, in some species, the traces of articulations, formed by foldings of the epidermis. The anterior extremity of the body is often ad- outfht from the Cape by I> that it appears to me inIx, all sold


The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy . , tud under side of its be&k. THE THIRD FAMILY OF THE TRACHEAN ARACHNIDA,— The Holetra (Hermann),— Has the thorax and abdomen united into a mass, beneath a common epidermis. The thorax is at most divided into two by a strangulation; and the abdomen merely presents, in some species, the traces of articulations, formed by foldings of the epidermis. The anterior extremity of the body is often ad- outfht from the Cape by I> that it appears to me inIx, all soldered tOf;clher. I The palpi are thence those of the rai t Accortliug to Savigiiy, they fori nida and Crustacea. I place them ii TR.\CHEARLE. 4(J9 vanced, in the form of a muzzle or beak. The majority have eight legs, the others six.* This familyis composed of two tribes. The first tribe is that of the harvot-men, , Lair., having the cheUcera! very apparent,either prnjoetitig in front of the trunk or being inferior, but always terminating in a didaetyle forceps,preceded by one or two joints. They have two filifor


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Keywords: ., bookauthorwe, bookcentury1800, bookdecade1840, booksubjectanimals