 | British Association for the Advancement of Science - 1848 - 784 Seiten
...terminate at the sides of the spines. This structure is seen in the spines of Cidaris pistillaris. The compact portion of the spine formed within the...central portion to the sides along the whole spine." This description, however, having been given at a time when nothing was known of the minute structure... | |
 | British Association for the Advancement of Science - 1848 - 680 Seiten
...terminate at the sides of the spines. This structure is seen in the spines of Cidaris pistillaris. The compact portion of the spine formed within the...central portion to the sides along the whole spine." This description, however, having been given at a time when nothing was known of the minute structure... | |
 | British Association for the Advancement of Science. Meeting - 1848 - 754 Seiten
...terminate at the sides of the spines. This structure is seen in the spines of Cidaris pistillaris. The compact portion of the spine formed within the...central portion to the sides along the whole spine." This description, however, having been given at a time when nothing was known of the minute structure... | |
| |
... be effected by the addition of calcareous matter only to the proximal extremity, or fixed ends of the spines. The lines of growth do not then converge and meet in longitudinal sections, but diverge and terminate at the sides of the spines. This structure... 