Licence: Public Domain Mark
Credit: Outlines of human osteology / by F.O. Ward. Source: Wellcome Collection.
![IXTEODUCTION. 1. The hmnan skeleton consists of a central column, of three great cavities, and of four extremities or limbs. The cavities are connected, one with each end of the column and the third with its centre ^ and the four extremities are attached m pairs, two to the middle, and two to the lowest cavity. The column is caUed the spiwe; the upper cavity the skull; the middle the thorax; the lowest the pelvis; the upper extremities the arms; the lower the legs. •2. The adult skeleton contains 208 separate pieces • of which twenty-four belong to the spine, thirty to 'the skull, twenty-six to the chest, four to the pelvis, sixty- tour to the two upper, and sixty to the two lower extreni- ties. In this enumeration, the sesamoid, Wormian, and other irregular bones are excluded; as also are the teeth which are organs sui generis, differing from bones m structure, organization, and mode of growth. The series * Philosophically considered, the cranium above, .and th 0 sacrum Conrie.x,on, but .still reteunng certain general analogies to the pieces Of the ..,pina co nrnn, which render it impossible to doubt that they «re all moulded in one common tj-pe. These, however, are views belon^n^ to tran.scendentai anatomy; interestiug as speculations, but no,, of practical importance; and therefore inconsi.st.'nt with the desigri and limits of an elementary work. Some writ(.rs indeed have m,v]e a sort of_ compromise between philosophical accuracy a^d practical convenience, by connecting the sarLm and voccl ^th the sp.ne. while they describe the cranium as an inrl,-,,endent cavity. I have reUined the <,ld divi.sion on account of its sim|,lici(y fcrmi/skeU::? ^-^'^ -nLologior^f is](https://iiif.wellcomecollection.org/image/b20410918_0033.jp2/full/800%2C/0/default.jpg)
