ON ARTIFICIAL CELLS 123 



with greater facility, thus suggesting that it is the 

 barium and not the radium that produces them, and 

 that the presence of radium tends if anything to 

 retard their growth. 



The bodies in question can, as I have observed, be 

 seen with comparatively low powers, whereas those I 

 have called radiobes are only visible with the highest 

 powers, and so do not grow beyond that order of 

 magnitude, although they make their appearance as 

 mere specks. Mr. Eudge {Nature, Oct. 26th, 1905) 

 has found that the soluble salts of barium, strontium, 

 and calcium, as also those of lead, product these large 

 granules, whilst the insoluble salts do not. He has, 

 however, since found that the precipitate of sulphates 

 which was insoluble was what he observed. 



The granules, however, are quite visible to the 

 naked eye, and are at first sight at least like the 

 globules obtained by the action of many soluble 

 salts on gelatin, but they do slowly subdivide as 

 in the figure. 



M. Dubois and his friends, on the other hand, have 

 said strong things about my claims to priority in this 

 discovery. As it is, he has not noticed the bodies 

 which I have observed. The radiobes cannot be 

 described as " grosse vacuolides " in any sense 

 of the word, and their claim to priority, though 

 distasteful, may, it is to be hoped, lose half its 

 evil when thus deprived of all its " grossness " ! 

 The two are totally distinct, as distinct, as we have 

 said before, as coal is from potato. The vacuolides, 

 or eobes, as Dubois has since called them, have 



