...serpents, and many of the invcrtebrated animals ; funnels, tops, cylinders, pitchers, wheels, flasks, &c. ; all of which are found to possess their own...long and patient observation to discover any of their movementsat all. One description is perceptibly soft, and yields easily to tiie touch ; another is...

...found to possess their own particular habits, and to pursue a course of life best adapted to their own peculiar constructions : thus, for instance, while...requires long and patient observation to discover any movement at all. One description are perceptibly soft, and yield easily to the touch ; another are...

...of life best adapted to their particular constructions : thus, for instance, while some move threugh the water with the greatest imaginable rapidity, darting,...merely creep or glide along, and many are altogether ?o passive, that it requires long and patient observation to discover any of their movements at all....

...some move through the water with the •fkttest imaginable rapidity, darting, leaping, or nrimming, others merely creep or glide along; and many are altogether so passive that it requires long md patient observation to discover any of their movements at all. One description are perceptibly soft,...

...own particular habits, and to pursue a course of life best adapted to their peculiar constructions. For instance, while some move through the water with...observation to discover any of their movements at all. Some descriptions are perceptibly soft, and yield easily to the touch ; others are covered with a delicate...

...instance, while some move threugh the water with the greatest imaginable rapidity, darting, leaning, or swimming, others merely creep or glide along, and...there are different degrees of density, as in the voloox, gonuim, &c., where the envelope is comparatively thick, and where, strange to say, the internal...