(44) 



Species may also be said to be generally or locally distributed, and solitary' 

 ur gregarious. 



L,ack of time precludes a more extended discussion of the subject pre- 

 sented. An argument in favor of a perfectly accurate and uniform system 

 of recording observations is not necessary — its lack must have been felt by 

 all, and the wonder is that some scheme has not before been proposed. 

 This paper is presented merely as a step in that direction, and with the 

 hope that its suggestions may be applied by members of the Union, their 

 value tested, and such modifications made as experience may show to be de- 

 sirable. 



