Transverse ligament of atlas former is attached to the basilar part of the occipital bone, in close relation with the membrana tectoria; the latter is fixed to the posterior surface of the body of the axis; hence, the whole ligament is named the cruciate ligament of the atlas. The transverse ligament divides the ring of the atlas into two unequal parts: of these, the posterior and larger serves for the transmission of the medulla spinalis and its membranes and the accessory nerves; the anterior and smaller contains the odontoid process. The neck of the odontoid process is constricted where it is embraced posteriorly by
The Historical Atlas of Political Parties in the United States Congress: 1789-1989 Clear Politics selected the political party atlas as one of the 15 most influential/indispensable books on the subject of American election analysis (ranked #10). The Eightieth Congress illustration is an example of the election maps found in The Historical Atlas of Political Parties in the United States Congress: 1789-1989. In the atlas there are one hundred large national four-color district election maps for the House of Representatives, and one hundred smaller state election maps for the Senate, for each of the first one hundred congresses. The maps are based upon the results tabulated on the regular Election Day. The Eightieth