8o ENTOMOLOGICAL NEWS. [March, 



to the writer, and by permission referred to, is five species and 

 twelve varieties, viz. : 



1. Ilaploa clynicnc Brown. 



2. colon a Hubner. 



a. rcrcrsa Stretch. 



b. co use/ fa ( = lacfata. 



c. fiilricosta Clemens. 



d. triangularis . 



3. Iccontci Gtter. 



a. m Hi tar is Harris. 



b. confinis Walker. 



c. harrisii n. var. , Dyar MS. 



d. dyarii Merrick. 



e. vcstalis Packard. 



f. stnitliii n. var., Dyar MS. 



4. conjusa I y yman. 



a. lywani n. var., Dyar MS. 



5. " contigna Walker. 



a. lunibonio-cra n. var., Fitch MS. 



The mature larvae of several of the forms are known, and the 

 breeding of images from larvae taken at large after the winter 

 hibernation has been several times reported, but the writer has 

 been unable to learn of any form which has hitherto been bred 

 from the egg and the parents preserved for comparison with 

 their progeny. 



In the hope of shedding new light upon the specific relation> 

 of some of the forms in this genus, I have attempted to present 

 below the results of my experiments in breeding them, with 

 some observations upon the significance to be attached to those 

 results. I have also taken the opportunity to present some 

 results of a study of the variations presented by a series of one 

 hundred moths, all of which are the images of larvae taken 

 from one restricted locality, near Claremont, X. H., or the de- 

 scendents in the first generation of such larvae. 



My attention was first directed to this group in the summer 

 of 1898 by my friend Mr. Arthur C. Bradley, of Newport, X 

 H., who wrote me that he had a number of eggs laid by a cap- 

 tured Haploa coiij'nsa and desired to find its food plant ( Cn/o- 



