. St. Nicholas [serial]. water, he cooled it, and put all sorts of thingsinto it. But no matter what he did, the infu-sorian always acted in the same way, by swim-ming first backward for a short distance andthen forward again with a slight turn to oneside. Furthermore, the observer found that the in-fusorian seemed never to notice anything unlesshe ran straight into it. He would just graze amass of food and then swim by without notic-ing it. On the other hand, he would swallowany small particle which chanced to hit hismouth, without the slightest regard to whetherit was good to eat or not. So
. St. Nicholas [serial]. water, he cooled it, and put all sorts of thingsinto it. But no matter what he did, the infu-sorian always acted in the same way, by swim-ming first backward for a short distance andthen forward again with a slight turn to oneside. Furthermore, the observer found that the in-fusorian seemed never to notice anything unlesshe ran straight into it. He would just graze amass of food and then swim by without notic-ing it. On the other hand, he would swallowany small particle which chanced to hit hismouth, without the slightest regard to whetherit was good to eat or not. So it seems that the infusoria, for all thev. FIVE KINDS OF INFUS Found in a tumbler of water from a ditch, after ithad stood several days. are so pretty and interesting to watch, are not,after all, very bright. They can neither see,hear, taste, nor smell. The only sense theyhave is touch, and that is so vague that, so faras we can see, heat, cold, pin-pricks, and every-thing else, all feel exactly alike, and the pooranimal cannot tell one part of his own bodyfrom another; it is even supposed that the in-fusorian never learns anything, and that nomatter how long he lives, he finds out nothingwhich he did not know at the first moment ofhis life. Edwin Tenney Brewster.
Size: 1538px × 1625px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthordodgemar, bookcentury1800, bookdecade1870, bookyear1873