100 ENTOMOLOGICAL NEWS. [April, 



melanism, while among the females the great proportion had 

 the median white spot simply concave on its outer margin in- 

 stead of deeply cleft, and the widest departures from normal 

 were in the direction of albinism, as shown by fusing of the 

 white spots. Most of .the moths of this brood were like Figs. 

 13 and 14. In no instance was any tendency toward clymene 

 apparent either in marking or color of wings or body. 



A tabulation of the results of the examination of one hun- 

 dred moths, including all those bred from eggs (excepting the 

 yellow-winged progeny of pair No. i) and those bred from 

 larvse taken at large, was made in order to discover the rela- 

 tive variability of the sexes, The moths were examined for 

 eleven different variations in markings. The general result 

 was that in respect to variations toward melanism, such as 

 complete subdivision of median white spot of primaries and 

 presence of brown spots on secondaries, a much larger propor- 

 tion of males than females showed the variations, while among 

 individuals showing tendency toward albinism, such as fusion 

 of white spots on primaries and disappearance of the brown 

 spot or pair of spots at summit of collar, the females greatly 

 preponderated. The tendency toward fusion of the spots was 

 greatest in the apical and pre-apical region of primaries and 

 decreased toward the base of wing. 



To summarize the results above recorded : 



1. Haploa larvae indistinguishable among themselves, taken 

 from one restricted locality have produced images ranging by 

 insensible degrees from typical confusa to typical lecontei and 

 even to lecontei var. militaris, with confusa as the dominant 

 form . 



2. I^arvae taken with the above in the proportion of about 

 one to five or six, distinguishable by color of hairs, and only 

 in the last stage have produced dymcnc. 



3. One pair of parents nearer to typical confusa than to a in- 

 other recognized specific or varietal type, and varying little 

 between themselves, have produced progeny among which are 

 forms referable respectively to confusa, clymcuc and Icivntci as 

 well as intergrades. 



4. One pairing between $ of typical Ifcoulci pattern and 9 



