DATES OF ISSUE OF PARTS 1-10. 



Part 1. — June, 1868 (on cover April, 1868). — Containing Argynnis Diana, A. 



Cyhele, A. Aphrodite, A. Nokomis, A Atlantis. 

 Part "2. — October, 1868 (on cover August, 1868). — Containing Argynnis Cal- 



Vqipe, A. Hesperis, Colias Alexandra, C. Cliippewa {Ilelena), €'. Behrii, 



C. Christina, Apatura Alicia. 

 Part 3. — Maj', 1869 (on cover December, 1868), — Containing Argynnis Monti- 

 cola, A. Halcyone, Limenitis Proserpina, Lyccena Violacea, L. Lygdamas, 



Thecla L<xta, T. Acadica. 

 Part 4. — September, 1869 (on cover April. 1809). — Containing Argynnis Leto, 



Colias Eurytheme. C KeevMydin. Liiiirnilis Wcidemcyerii, Thecla Ontario, 



T. Strigosa. 

 Part 5. — April. 1870 (on cover December, 1809). — Containing Argynnis Ed- 



'wardsii, Colias Eurydice, Limenitis Lorquini, Grapta Faunus, Lycatna 



Pseudargiolus, L. Neglecta. 

 Part 6. — August, 1870 (on cover June, 1870). — Containing Argynnis Behrensii, 



A. Zerene, Colias Edwardsii, Anthochai-is Eeakirtii, A. Coojjerii, Limenitis 



Californica (Bredowii). 

 Part 7. — March, 1871 (on cover January, 1871). — Containing Parnassiiis Cla- 



rius, P. Clodius, Colias Occidentalis, Anthocharis Sara, Melitcea Chalcedon, 



Paphia Gly cerium. 

 Part 8. — September, 1871 (on cover Augu.st, 1871). — Containing Neophasia 



Menapia, Pieris Beckerii, P. Virginiensis, P. Venmlis, Argynnis Neva- 



densis, Gh'apta Comma, G. Dryas. 

 Part 9. — January, 1872 (on cover December, 1871). — Containing Pcqnlio Ajax, 



var. Walshii, yar. Telamonides, var. MarceUus, Grapta Interrogationis, 



var. Umhrosa, var. Fabricii. 

 Part 10. — September, 1872 (on cover July, 1872). — Containing Parnassius 



Smintheus, P. Eversmanni, Grapta Satyrus, G. Zephyrus, Colias Meadii, 



C. Scudderii. 

 Supplement. — January, 1873. — Containing new Plates of Argynnis Diana, A. 



Nokomis, A. Leto. Supplementary Note.s. Index. Synopsis. 



