Text-book of comparative anatomy . Fig. 359.—Scorpio africanus (after Cuvier,Regne animal). VI A RA GHNOIDEA—0 UTER ORGAN IS A TION 513. Fig. SiiO.—Chelifer Bravaisii is distinctly segmented and consists of twelve segments. In it, again,we can distinguish two divisions, distinctly marked off* from each anterior division, the broad pre-abdomen, consists of 7 segments ;the posterior, slenderer, tail-like division, thepost-abdomen, of 5 segments. At the end ofthe post-abdomen is found the poison sting,which is often included as one of the ought, however, probably to be consi
Text-book of comparative anatomy . Fig. 359.—Scorpio africanus (after Cuvier,Regne animal). VI A RA GHNOIDEA—0 UTER ORGAN IS A TION 513. Fig. SiiO.—Chelifer Bravaisii is distinctly segmented and consists of twelve segments. In it, again,we can distinguish two divisions, distinctly marked off* from each anterior division, the broad pre-abdomen, consists of 7 segments ;the posterior, slenderer, tail-like division, thepost-abdomen, of 5 segments. At the end ofthe post-abdomen is found the poison sting,which is often included as one of the ought, however, probably to be consideredas an articulated appendage of the last seg-ment, the latter being recognised, as in allArthropoda, by the position of the anus. Two small, insufficiently known groups of Arach-noidea, the Tartaridce and Microthelyphonidce, appear,as far as the metamerism of the body is concerned,to occupy in some respects an intermediate positionbetween the Solpugidce and the Scorpionidcc, and inothers between the latter and the Tkclyplwnidce. Inthe MicrothdyphoiudiC an anterior and a posterior (after Cuvier, Regne animal).division can be
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanatomycomparative
