 | 1851 - 1000 pagine
...particular spot, and this belt may be seen rapidly changing its position, and in a very short time wheel completely round the pond. Should the mass come...shadow, or as soon as the cloud has passed over." At certain periods Daphniae may be found with a black saddle-shaped appendage (named the ephippium)... | |
 | Johann Georg Heck - 1860 - 984 pagine
...particular spot, and this belt may be seen rapidly changing its position, and in a very short time wheel completely round the pond. Should the mass come...shadow, or as soon as the cloud has passed over." At certain periods Daphniae may be found with a black saddle-shaped appendage (named the epTiippium)... | |
 | 1862 - 558 pagine
...Somance of Fat. Sist. 2nd Series, p. 105. VOL. I. — SO. VI. HH position, and in a very short time wheel completely round the pond. Should the mass come...shadow, or as soon as the cloud has passed over." I on one occasion gathered a curious species, Cijpridels torvsa, Rupert Jones (fig. 8), in such numbers,... | |
 | 1862 - 552 pagine
...Romance of Sat. Hist. 2nd Scries, p. 105. VOL. I. — SO. VI. HU position, and in a very short time wheel completely round the pond. Should the mass come...shadow, or as soon as the cloud has passed over." I on one occasion gathered a curious species, Cyprideis torosa, Rupert Jones (fig. 8), in such numbers,... | |
 | Mordecai Cubitt Cooke - 1880 - 282 pagine
...particular spot, and this belt may be seen rapidly changing its position, and in a very short time wheel completely round the pond. Should the mass come...shadow, or as soon as the cloud has passed over." 1 The body of the Water-flea is composed of two portions, the smaller forms the head, the larger consists... | |
 | Gregory Climenson Bateman - 1904 - 388 pagine
...position, and in a short time wheel completely round the pond. Should the mass come near enough to the edge to allow the shadow of the observer to fall...suddenly obscure the sun, the whole body immediately disappears, rising to the surface again when they have reached beyond the shadow, or as soon as the... | |
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On a sunshiny day, in a large pond, a streak of red, a foot broad, and ten or twelve yards in length, will suddenly appear in a particular spot, and this belt may be seen rapidly changing its position, and in a very short time wheel completely round the... 