66 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 2 



sand beetles, if necessary. They would deposit eggs under absolutely 

 natural conditions, and the area would become heavily stocked with 

 the one species. 



Secretary Burgess : Mr. President, in attempting to hibernate 

 Calosoma beetles, I had the same difficulty last winter that you have 

 had with the ground drying out inside the cylinders. I used gal- 

 vanized iron cylinders, two feet in length, and, fortunately, I experi- 

 mented at the same time with galvanized iron wire cylinders, which 

 worked all right. I doubt, though, if that material would stand for 

 the length of time required in your experiment, but the beetles came 

 through very nicely in wire cages, whereas in a solid galvanized iron 

 cage the soil packed so badly that nearly all of them died. 



A Member : ]\Ir. President, may I ask if you used glazed tile ? 



President Forbes: No; porous tile. 



Mr. Hopkins: Perhaps you will find that some of the larvas will 

 not live as long as has been supposed, and that some of the beetles 

 may emerge a year ahead of others. It had been supposed that the 

 so-called sawyer beetle lived two years before transforming to the 

 adult, but in some observations made bj" my field men in the South, 

 it was shown they developed from the egg to the adult in three months, 

 and apparently from the same lot of eggs, some larvte would go over 

 to the next year, and it is possible that some may go over two years, 

 so it is very evident that we need a lot of careful observations on a 

 good many of these things. 



Mr. Symons: Mr. President, I would like to inquire how the 

 gravel, etc., was arranged at the bottom of the tile? 



President Forbes: The object in putting material in the bottom 

 of the tile was to prevent an accident which happened sometime before. 

 That is, to prevent the grubs burrowing below the end of the tile and 

 making their escape. We wanted to imprison them, and that is why 

 we put it in. It was a very thin layer, just enough to make sure that 

 the grubs would not go through it. 



Mr. Symons : I thought that by extending that surface of the 

 gravel outside the bottom of the tile the moisture might go up more 

 readily. 



A Member: Mr. President, perhaps if you had some method of 

 irrigating the soil, it would work all right. This might be accom- 

 plished by putting in two or three tubes. 



After the transaction of routine business the session adjourned. 



[The above comprises all of the proceedings ready for publication. — Ed.] 



(To be continued in the next issue.) 



