 | Sir Charles Lyell - 1838 - 576 Seiten
...Spatangus had died, and the spines were detached. mollusca. The upper valve (b Fig. 11.) is almost Fig. 11. invariably wanting, though occasionally found in a...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 - 1838 - 582 Seiten
...Spatangus had died, and the spines were detached. mollusca. The upper valve (b Fig. 11.) is almost Fig. 11. invariably wanting, though occasionally found in a...chalk at some distance. In this case, we see clearly tlrat the seaage, then died and lost its spines, i. Upper valve of the , . . ,„ Crania detached.... | |
 | Sir Charles Lyell - 1839 - 332 Seiten
...it the lower valve of a crania, an extinct genus of bivalve mollusca. The upper valve (6 Fig. 11.) is almost invariably wanting, though occasionally...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
...which has fixed to it the lower valve of a Crania, a genus of bivalve mollusca. The upper valve (6, Fig. 13.) is almost invariably wanting, though occasionally...this case, we see clearly that the sea-urchin first .£c»inM from the chalh, ]ived from youth to age, then died with lower valve of the ' >d lost its... | |
 | Sir Charles Lyell - 1841 - 946 Seiten
...of a Crania, a genus of bivalve mollusca. The upper valve (b, Fig. 13.) is almost inRg. is. variably wanting, though occasionally found in a perfect state...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
...upper valve (b Fig. 11.) is almost invariably wanting, though occasionally found in a perfect slate of preservation in white chalk at some distance. In...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 - 1854 - 556 Seiten
...which has fixed to it the lower valve of a Crania, a genus of bivalve mollusca. The upper valve (6, fig. 13) is almost invariably wanting, though occasionally...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 - 700 Seiten
...mollusca. The upper valve (*> fig- 13.) is almost invariably wanting, though occasionally foumifln a perfect state of preservation in white chalk at...to the bared shell, grew and perished in its turn ; "the a^ter which the upper valve was separated from or the the lower before tbe Echinus became enveloped... | |
 | Sir Charles Lyell - 1866 - 910 Seiten
...13), which has fixed to it the lower valve of a Crania, a genus of bivalve mollusca. The upper valve (b, fig. 13) is almost invariably wanting, though...young Crania adhered to the bared shell, grew and _j" Crania perished in its turn; after which the upper valve was attached. separated from the lower... | |
 | Sir Charles Lyell - 1866 - 866 Seiten
...which has fixed to it the lower valve of a Crania, a genus of bivalve mollusca. The upper valve (6, fig. 13) is almost invariably wanting, though occasionally...in a perfect state of preservation in white chalk ,. r T . • at some distance. In this case, we see clearly that the sea-urchin first lived from youth... | |
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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,... 
