...of liquid matter, and hurling along in rapid succession opaque masses, which it strewed every where around. The beauty and novelty of such a scene in...stream rolled on with a constant and equal velocity. About the end of this time, however, I observed the current become perceptibly languid ; the small...

...the animal kingdom long arrested my attention, hut after twenty-five minutes of constant ohservation, I was obliged to withdraw my eye from fatigue, without...stream rolled on with a constant and equal velocity." 345. The simple expedients which have been described suffice for carrying on the function of respiration...

...perceived that there was some intestine motion in the opaque particles floating through the water. On moving the watch-glass, so as to bring one of the...stream rolled on with a constant and equal velocity." Sponges, in general, appear to have little choice of situation, but to grow wherever the young offset...

...constant observation, I was obliged to withdraw my eye from fatigue, without having seen the torrent ibr one instant change its direction, or diminish in the...stream rolled on with a constant and equal velocity."* ,. SPONGE IN ACTION. The Sponges perpetuate their race by a very curious mode of increase. At stated...

...but after twenty-five minutes of constant observation I was obliged to withdraw my eye, from fat:gue, without having seen the torrent, for one instant,...stream rolled on with a constant and equal velocity. About the end of this time, however, I observed the current become perceptibly languid ; the opaque...

...rapid succession, opaque masses, which it strewed every where around. The beauty and novelty of soch a scene in the animal kingdom long arrested my attention...one can have looked with any attention at the rocks on any part of our shores that are left exposed by the sea at low spring-tide, without noticing irregular...

...twenty-five minutes of constant observation I was obliged to withdraw my eye, from fatigue, wit limit having seen the torrent for one instant change its...one can have looked with any attention at the rocks on any part of our shores that are left exposed by the sea at low spring- tide, without noticing irregular...

...short intervals, for five hours,—sometimes observing it for a quarter of an hour at a time,—but still the stream rolled on with a constant and equal...one can have looked with any attention at the rocks on any part of our shores that are left exposed by the sea at low spring-tide, without noticing irregular...

...presented, — a living fountain vomiting forth from a circular cavity an impetuous torrent of fluid, and hurling along in rapid succession opaque masses,...but still the stream rolled on with a constant and equable velocity. About the end of this time, however, I observed the current become perceptibly more...

...rapidity of its course. I continued to watch the same orifice, at short intervals, for five hours, and sometimes observing it for a quarter of an hour at...but still the stream rolled on with a constant and increasing velocity." In the Mediterranean Sea, about the islands of the Archipelago, sponges are found...