The Popular Science Review: A Quarterly Miscellany of Entertaining and Instructive Articles on Scientific Subjects, Том 9James Samuelson, Henry Lawson, William Sweetland Dallas Robert Hardwicke, 1870 |
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Страница 21
... organ returned with it ; and he once imagined that the pain was more severe after the experiment than before . The results of Sir Humphrey Davy's experiments led him to suggest that - " as nitrous oxide in its extensive opera- tion ...
... organ returned with it ; and he once imagined that the pain was more severe after the experiment than before . The results of Sir Humphrey Davy's experiments led him to suggest that - " as nitrous oxide in its extensive opera- tion ...
Страница 59
... organ , directly into the stomach itself ( fig . 1 , f ) , a bag or sac , which is usually of a rich reddish- brown ... organs are developed at certain seasons of the year . The polypides are lively and rapid in their movements ; and a ...
... organ , directly into the stomach itself ( fig . 1 , f ) , a bag or sac , which is usually of a rich reddish- brown ... organs are developed at certain seasons of the year . The polypides are lively and rapid in their movements ; and a ...
Страница 60
... organ . After a time a somewhat spherical dark - reddish mass is found to be , as it were , suspended below the stomach , with which it is still connected by a narrow channel . In this semi - detached portion the characteristic con ...
... organ . After a time a somewhat spherical dark - reddish mass is found to be , as it were , suspended below the stomach , with which it is still connected by a narrow channel . In this semi - detached portion the characteristic con ...
Страница 63
... snap . Many of them are fixed , Both these organs may be studied to great advantage in one of the commonest of our British species , the Scrupocellaria scruposa . and their action is confined to an incessant exercise of THE POLYZOA . 63.
... snap . Many of them are fixed , Both these organs may be studied to great advantage in one of the commonest of our British species , the Scrupocellaria scruposa . and their action is confined to an incessant exercise of THE POLYZOA . 63.
Страница 64
... organs bear to the economy of the Polyzoan . The capture by the avicularia of small worms , which are much given to wrig- gling in and out amongst the branches of the colony , has often been observed ; and I have been surprised to find ...
... organs bear to the economy of the Polyzoan . The capture by the avicularia of small worms , which are much given to wrig- gling in and out amongst the branches of the colony , has often been observed ; and I have been surprised to find ...
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Страница 15 - As nitrous oxide in its extensive operation appears capable of destroying physical pain, it may probably be used with advantage during surgical operations in which no great effusion of blood takes place...