A treatise on zoology . Fio. diaTani of three regions of tlie vertebral coluiiin of 7iV/o-o,-/rt(.s. (From A. Vert. Palaeontoloqu.) /i, haemal an-li; ;«;, hypocPntrum ; «, nem-al arch ; , pleuro-centrum D, lefi-sirle view of three segments of the vertebral column of a . -5 cm. lon.^r Amw,rnlra tal<en at the junction between trunk and tail. 1, basidorsals (upural arches); 2, : 3, basiventrals ; 4, interventrals. (After 8chaniuslanll„„-h.) a neural arch surmounted l)y a spine, and, e.\cept in the first twosegments, basiventrals which carry tlie long plet
A treatise on zoology . Fio. diaTani of three regions of tlie vertebral coluiiin of 7iV/o-o,-/rt(.s. (From A. Vert. Palaeontoloqu.) /i, haemal an-li; ;«;, hypocPntrum ; «, nem-al arch ; , pleuro-centrum D, lefi-sirle view of three segments of the vertebral column of a . -5 cm. lon.^r Amw,rnlra tal<en at the junction between trunk and tail. 1, basidorsals (upural arches); 2, : 3, basiventrals ; 4, interventrals. (After 8chaniuslanll„„-h.) a neural arch surmounted l)y a spine, and, e.\cept in the first twosegments, basiventrals which carry tlie long pletual ribs. Theneural arches are separated from the centra liy cartilage, and a pairof cartilaginous nodules are found between them (the interdorsals).Farther back, in the caudal region (except at its extremity), thereappear to be alternate centra with and without arches. Here occuranterior centra bearing a pair of vestigial cartilaginous interdorsalsand a pair of similar interventrals
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectzoology
