♀.--The female is nearly the same shade as the male, with the marginal spots on the under side always silvered, the remainder without silver, or only now and then with a few silvery scales. Expanse, 2.25-2.50 inches. +--------------------------------------------------------------+ | | | EXPLANATION OF PLATE XIII | | | | 1. _Argynnis cybele_, Fabricius, ♀, | | _under side_. | | 2. _Argynnis semiramis_, Edwards, ♂. | | 3. _Argynnis semiramis_, Edwards, ♀. | | 4. _Argynnis nitocris_, Edwards, ♂, | | _under side_. | | 5. _Argynnis halcyone_, Edwards, ♂. | | 6. _Argynnis halcyone_, Edwards, ♀, | | _under side_. | | 7. _Argynnis monticola_, Behr, ♂, | | _under side_. | | 8. _Argynnis monticola_, Behr, ♂. | | 9. _Argynnis macaria_, Edwards, ♂. | | 10. _Argynnis inornata_, Edwards, ♀, | | _under side_. | | 11. _Argynnis liliana_, Henry Edwards, ♂. | | 12. _Argynnis atossa_, Edwards, ♂. | | 13. _Argynnis egleis_, Boisduval, ♂. | | 14. _Argynnis egleis_, Boisduval, ♂, | | _under side_. | | 15. _Argynnis egleis_, Boisduval, ♀. | | | | [Illustration PLATE XIII.] | +--------------------------------------------------------------+ _Early Stages._--Not ascertained. This species occurs in southern Utah and Arizona. (26) =Argynnis platina,=, Skinner, Plate XVIII, Fig. 7, ♂ (Skinner's Fritillary). _Butterfly_, ♂.--The original description of this species, contained in the "Canadian Entomologist," vol. xxix, p. 154, is as follows: