 | Sir Charles Lyell - 1838 - 582 Seiten
...,„ Crania detached. which were carried a way. 1 lieu the young Crania adhered to the bared shell, and perished in its turn ; after which the upper valve was separated from the lower before the Echinus became enveloped in chalky mud. It may be well to mention one more illustration of the manner... | |
 | Sir Charles Lyell - 1838 - 576 Seiten
...Fig. 11. invariably wanting, though occasionally found in a perfect state of preservation in white chalk at some distance. In this case, we see clearly that the seaurchinfirst lived from y°uth to c±!ra?Lchedeofthe age, then died and lost its spines, 4. Upper... | |
 | Sir Charles Lyell - 1839 - 332 Seiten
...is almost invariably wanting, though occasionally found in a perfect state of preservation in white chalk at some distance. In this case, we see clearly...its spines which were carried away. Then the young a. EMnus from the Crania adhered to the bared shell, and perishva^ve'of'the^nHtia ed in its turn ,... | |
 | Sir Charles Lyell - 1841 - 486 Seiten
...from youth to age, then died with lower valve of the ' >d lost its sPines> which were Cromadeuched. Crania adhered to the bared shell, grew, and perished...upper valve was separated from the lower before the Echinus became enveloped in chalky mud. It may be well to mention one more illustration of the manner... | |
 | Sir Charles Lyell - 1841 - 946 Seiten
...almost inRg. is. variably wanting, though occasionally found in a perfect state of preservation in white chalk at some distance. In this case, we see clearly that the sea-urchin first k, lived from youth to age, then died with lower vmlve of the' Crania attached. and lost its spines,... | |
 | Sir Charles Lyell - 1845 - 338 Seiten
...is almost invariably wanting, though occasionally found in a perfect slate of preservation in white chalk at some distance. In this case, we see clearly...its spines which were carried away. Then the young a. EcMntut from the Crania adhered to the bared shell, and perishva?ve'oftthe'Cra7ii'i ed 'n its turn... | |
 | Sir Charles Lyell - 1851 - 602 Seiten
...is almost invariably wanting, though occasionally found in a perfect state of preservation in white chalk at some distance. In this case, we see clearly...after which the upper valve was separated from the tue lower before the Echinus became enveloped in chalky mud. It may be well to mention one more illustration... | |
 | Sir Charles Lyell - 1852 - 578 Seiten
...wanting, though b. Upper valve of the ' occasionally found in a perfect state of preservation in white chalk at some distance. In this case, we see clearly...turn; after which the upper valve was separated from Crania attached. the lower before the Echinus became enveloped in Crania detached. chalky III 11i1.... | |
 | Sir Charles Lyell - 1854 - 556 Seiten
...is almost invariably wanting, though occasionally found in a perfect state of preservation in white chalk at some distance. In this case, we see clearly...youth to age, then died and lost its spines, which wciv carried away. Then the young Crania adhered to the bared shell, grew and perished in its turn;... | |
 | Sir Charles Lyell - 1855 - 686 Seiten
...is almost invariably wanting, though occasionally found in a perfect state of preservation in white chalk at some distance. In this case, we see clearly...perished in its turn ; after which the upper valve was attached. separated from the lower before the Echinus became ». Upper valve of th« * Crania detached,... | |
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The upper valve is almost invariably wanting, though occasionally found in a perfect state of preservation in the white chalk at some distance. In this case, we see clearly that the sea-urchin first lived from youth to age, then died and lost its spines,... 
