OF WASHINGTON. 123 



and seems to be equally at home and abundant in all climes. It 

 is undoubtedly the domestic mosquito pest of the world. 



The paper was illustrated by plain and colored photographs 

 taken principally in Japan and China, showing the character of 

 the country visited and various objects and places of interest. 



JUNE 5, 1902. 



The lyoth regular meeting of the Entomological Society of 

 Washington was held at the residence of Mr. C. L. Marlatt, 1440 

 Massachusetts avenue N.W. The chair was occupied by the 

 President, Dr. Dyar, and there were also present Messrs. Ko- 

 tinsky, Quaintance, Marlatt, Ashmead, Motter, Patten, Gill, Cur- 

 rie, Benton, Heidemann, and Waite. 



Mr. Quaintance reported that he had observed the Periodical 

 Cicada ( Cicada septcndecim] feeding quite generally upon ap 

 ple, maple, ash, and Carolina poplar. He exhibited microscopic 

 slides showing the seta from the proboscis of the cicada imbedded 

 in the bark. He had seen these insects feeding that same morn 

 ing, and had noticed that the plant juices exuded when the beak 

 was withdrawn. Dr. Gill doubted whether the operation ob 

 served by Mr. Quaintance could be strictly termed feeding, as 

 the intestinal canal of adult cicadas was known to be aborted. 

 Mr. Marlatt said that cicadas had not hitherto been definitely 

 shown to feed in the ordinary sense of swallowing and assimilat 

 ing food. He thought that the process could not be anything 

 more than a tasting of the plant juices, and believed with Dr. 

 Gill that the atrophied alimentary canal precluded the possibility 

 of normal assimilation. He stated that a colorless liquid was 

 exuded from the anal canal. 



Dr. Gill mentioned an early published reference to the Peri 

 odical Cicada by one Peter Collinson, a correspondent of Lin 

 naeus, who gave the interval between their appearances as fourteen 

 or fifteen years instead of seventeen. The figure published with 

 this reference resembles tibicen more than septendecim. 



Mr. Marlatt read the following papers on the Periodical 

 Cicada : 



