226 ROYAL SOCIETY OF CANADA 



and mirLimiim velocities. 'Tliose of the first set are +17 and + 29 and 

 of the second + 19 and + 23.5. 



This solution must, however, owing to the peculiar behaviour of the 

 star be regarded as preliminary only. It is only when many more ob- 

 servations have been secured and the star has been closely followed for 

 some time that any more definite idea of the nature of the changes taking 

 place may possibly be obtained and it is proposed in the future to follow 

 it as closely as the other work on hand will permit. 



Dominion Observatory, Ottawa, May. 1909. 



