90 BIOSQUITOES 



of course there can be no doubt that the species hibernates as an 

 adult as well as in the larval stage. 



These pitcher-x^lant leaves contain, besides mosquito larvae 

 of this species, considerable numbers of other larvse, which Mr. 

 Brakeley succeeded in breeding. Some examples submitted to 

 Mr. C. W. Johnson he pronounced to be Aedes fuscus O. S., a 

 species by no means commonly observed. 



The present series of notes are not by any means a complete rec- 

 ord of the observations made on the wriggler colonies at New 

 Brunswick and in the Pines, and they are not even ended ; but 

 they will serve to call attention to one or two heretofore unob- 

 served facts. They also contain a suggestion. Is it not prob- 

 able that the mosquitoes that swarm in Alaska and in arctic 

 regions may pass the winter in the larval stage, frozen in the solid 

 ice, ready, when the melting time comes, to mature rapidly? 



Hiding-places for adults are occasionally somewhat scant in 

 such regions, and the swarms are said to be even more numerous 

 and vicious than they are in New Jersey. 



[Note.— Since this matter was put in type, Dr. Smith writes me that 

 from recent rearings he is led to believe that most of his statements, 

 especially with regard to the ability of larva3 to remain under water a 

 long time, lefer to Aedes and not to Culex. — L. O. H.] 



