THE 



ENTOMOLOGIST'S 



MONTHLY MAGAZINE: 



SECOND SERIES— VOL. XXV, 



[VOLUME L]. 



FUETHER NOTES ON SCENTS IN BUTTERFLIES. 

 BY G. B. LONGSTAFF, M.A., M.D., F.L.S., &c. 



During the two years that have elapsed since the appearance of 

 my list* of the butterflies which have been observed to possess a 

 scent, I have had further opportunities of investigating' the subject. 



Butterfly scents have been divided by Fritz Midler and Dixey 

 into two categories : — 



(1) Attractive scents : in the very large majority of cases con- 



fined to the male sex. These are almost always agreeable 

 to the average human perception. 



(2) Repulsive or protective scents : usually common to both 



sexes, and often strongest in the female. These are, for 

 the most part, disagreeable to man, or even disgusting. 



As perhaps might have been expected, further investigation, while 

 extending the basis of facts upon which these generalizations have 

 been made, has revealed more and more exceptions. 



The exceptional occurrence of female butterflies with attractive 

 scents needs further explanation. Moreover, my own experience with 

 scents believed to be repulsive convinces me that if such scents are 

 really protective they must be far more repulsive to the enemies of 

 butterflies than they are to man. All lovers of dogs must have 

 noticed that many odours which give pleasure to us excite disgust in 

 them, and vice versa. 



In the following notes an asterisk indicates that the species is one 

 that I have not previously dealt with. 



* " Butterfly Hunting in Many Lands." 1912. pp. 490-516. Full references to tha.ftuthoritics 

 are there given. The species are dealt with here in the same order to facilitate coin pari son. « J 



rANUART, 1914. 



,N 101914 



