 | 1892 - 812 Seiten
...an articulated appearance. The nodules, which vary a little in size, are usually about half an inch long, and are not very symmetrically or regularly...seen ; they are abruptly and irregularly rounded." These remarks were supplemented by the following : — " The specimens are characterised, as we have... | |
 | Geological Survey of Western Australia - 1898 - 664 Seiten
...an articulated appearance. The nodules, which vary a little in size, are usually about half an inch long, and are not very symmetrically or regularly...surface has generally an imperfect or worn character." Mr. Hancock offered the following explanation : — Whilst walking on the beach sand at Cullercoats,... | |
| |
Pull-sized specimens are half an inch wide, and are composed of a series of nodules, which give them an articulated appearance. The nodules, which vary a little in size, are usually about half an inch long, and are not very symmetrically or regularly... 