90 



I went with Dr. Waters to Pleasant Street in Newton, on the 

 grounds of Mr. Davis, of the firm of Hallett & Davis, piano- 

 forte makers, near the Cochituate Aqueduct, where we found 

 thirty-four more, one of which was black. We did not get upon 

 the ground till 9 o'clock, p. m., or later, when it was quite dark 

 and moonless. The larva? seemed to be still emerging from the 

 ground, as after taking all I could find at one time in a place I 

 afterwards found more there. These larvae shine with a bright 

 light from their spiracles and the membrane between the rings, 

 which discovers them at a distance of some rods. I found them 

 mostly near the roots of the grass, under or near an evergreen 

 hedge and also a " buck-thorn " hedge, but some at a consider- 

 able distance from the hedge, in an orchard. Dr. Waters found 

 some under pine trees on a high knoll near by. The whole 

 locality was rather high and dry, no dew being on the ground, 

 nor had there been a dew for several weeks. No larvae were 

 found near the brook which runs by the orchard. 



On the evening of the 28th of July we went with two friends 

 to the same locality in Newton where we had found the thirty- 

 four larvae. There, and on the lane entering Homer Street 

 opposite Mr. E. F. Waters', and on the side of Centre Street, 

 we found twenty more larva?, four of which were quite black ; 

 the others yellow. All were on the average smaller than those 

 got before ; the black ones nearly of the same size with each 

 other. 



On the evening of the 29th of July, I obtained permission to 

 examine the grounds of Mr. J. R. Luwell, near Mt. Auburn, 

 in Cambridge. There, under or near pine trees, I caught thirty 

 more larva?, fourteen of which were black, the rest yellow. 



On the evening of the 6th of August I hunted lung and dili- 



o © © 



gently for more of these larva? in Mr. Lowell's grounds, but 

 found none. 



Thus in one month we found eighty yellow and nineteen 

 black luminous Coleopterous larva?. Some of these afterwards 

 escaped, some I preserved in alcohol, some died of unknown 

 causes, but on the 2d of August I had forty-eight living yellow 

 ones and eighteen living black ones in my jars of earth. The 

 last of these died in November, none of them having pupated. 



