GENUS ANTHOCHARIS 105 



unaccountable in their behavior, for they sometimes go over to the 

 second or the third year before emerging. What the laws are that 

 govern the pupae in these matters, no one knows. 



Sex-marks are the same as in Papilio, the claspers, and the 

 shape and size of the body; though most species show the sexes 

 by the different ornamentation of the apices of the fore wings; 

 this pattern in the female, consists in a series of small, white, dia- 

 mond-shaped or wedge-shaped spots between the orange and the 

 dark cloud which lines the orange on the outside, near the apices. 

 In some of the species, however, this series of white points is 

 nearly or quite absent, or so clouded over as to be indistinguish- 

 able, e. g., Pima. 



58. Anthocharis Cethura. 



Plate VII ; Figures 58, a, aa, b, bb, c. 

 Fig. 58, Male, East Riverside, Cal., March 22, 1895; 

 Author. 



a. Male, Slover Mountain, April 10, 1896; Author, 

 aa, Male, underside. Little Mountain, April 15, 1896; 



Author. 



b. Female, Cabazon, Cal., April 6, 1899 ; Author, 

 bb, Female, Riche Canyon, March 12, 1895 ; Author. 



c. Female underside, Mentone, April 28, 1895 ; 



Author. 

 The members of the first group, Cethura, Morrisoni, and Des- 

 erti, as shown on this plate together, are found only in Southern 

 California. I give a series of six examples of each of these forms, 

 to show conclusively the variations, having, I suppose, an un- 

 equaled collection of them to select from. These are all good, 

 typical specimens, and not the extremes in any direction. The 

 butterflies are so well shown on the plate that there is little ne- 

 cessity for lengthy explanation ; about fifteen per cent are yellowed 

 more or less, males and females alike. The marbling on under- 

 side of hind wings is always bright yellow-green, and not dense. 



59. Anthocharis Morrisoni. 



Plate VII ; Figures 59, a, aa, b, bb, c. 



Fig. 59, Male, Ferndale, Cal., March 20, 1895 ; Author. 



a, Male, San Joaquin Valley, March 24, 1891 ; 

 Author. 



