322 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



EXPLANATION OF PLATE XX 



Fig. 1. Agraulis vanillce Linn. $ Old Colony Settlement, Albemarle 

 Island, April 24, 1906. 



Fig. 2. Agraulis vanillce Linn. $ Under surface. Tagus Cove, Albe- 

 marle Island, March, 1906. 



Fig. 3. Cupido parrhasioides Wallengren. $ Chatham Island, October, 

 1905. 



Fig. 4. Cupido parrliasioides Wallengren. $ Chatham Island, Oct. 1905. 



Fig. 5. Cupido parj-hasioidcs Wallengren. $ Under surface. Chatham 

 Island, October, 1905. 



Fig. 6. Eudamus galapagensis Williams. $ Wreck Bay, Chatham Island, 

 Octcrber, 1905. 



Fig. 7. Phlegathontius lencoptcra Roth, and Jordan. $ Wreck Bay, Chat- 

 ham Island. Raised from caterpillar caught March 12, 1906. 



Fig. 8. Phlegathontius (Protoparce) Calapagensis Holland. 5 Light 

 phase. Charles Island, February, 1906. 



Fig. 9. Phlegathontius (Protoparce) Calapagensis Holland. $ Dark 

 phase. Tagus Cove, Albemarle Island, April 12, 1906. 



Fig. 10. Phlegathontius (Protoparce) Calapagensis aberration nigrita 

 Roth, and Jordan. $ Tagus Cove, Albemarle Island, April 12, 

 1906. 



Fig. 11. Dilophonota obscuris Conformis Roth, and Jordan. $ Tagfus 

 Cove, Albemarle Island, March, 1906. 



