246 Transactions of the 



and magnifying power, without any change in the cover correction, 

 by simply rendering the illuminating pencil oblique, and slightly 

 withdrawing the objective from its first focal position, I obtained a 

 negative which displays the " bead-like " or varicose appearance of 

 the ribbing more satisfactorily than I had previously been able to 

 do, A print of this negative is also forwarded herewith, and I beg 

 that the two may be compared with each other and with those sent 

 with the former paper. 



I must add that, since writing the foregoing remarks, I have 

 received from Mr. S. J. Mclntire a very interesting letter, in which 

 he explains to me that I was in error in designating the specimen 

 of Degeeria described in my recent jDaper as Degeeria Nigro-macu- 

 lata. It seems it is really the Degeeria or Seira domestica. I was 

 misled by Mr. Mclntire's label on the slide, which I supposed to be 

 correct. I have never seen either of the insects. This inadvert- 

 ence, however, does not afi'ect the question of structure. 



