330 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
III. General Discussion of the Color-Patterns and of Mimicry in 
the Genera Heliconius and Eueides. 
(1) The Four Color-Types in the Genus Heliconius . . . 282 
(2) Mimicry between the genus Heliconius and the Danaoid 
Group.283 
(3) The Three Color-Types in the Genus Eueides . . . 284 
(4) Detailed Discussion of Plates 5-8.284 
IV. General Discussion of the Color-Patterns and of Mimicry 
AMONG THE DaNAOID HeLICONIDAE. 
(1) The Origin of the two Types of Coloration . . . 288 
(2) Mimicry among the Danaoid Heliconidae .... 290 
V. Quantitative Determination of the Variations of the char¬ 
acteristic Wing-Markings in the Acraeoid and Danaoid 
Heliconidae. 
(1) Variations of the “Inner Rufous” Areas of the Fore and 
Hind Wings ......... 291 
(2) The “ Inner Black ” Spot.292 
(3) Variations of the “ Inner Yellow ” and “ Middle Yellow ” 
Areas.293 
(4) Variations of the “ Middle Black ” Mark of the Fore Wing 295 
(5) Variations of the “ Outer Yellow ” Area of the Fore Wing 295 
(6) The Relative Permanency of the Black Areas upon the Fore 
and Hind Wings.296 
(7) The “Middle Black Stripe ” of the Hind Wing . . 296 
(8) Variations of the Marginal Spots of the Fore Wing . . 297 
(9) The Marginal Spots of the Hind Wing .... 297 
VI. Comparison of the Color-Variations of the Papilios of 
South America with those of the Heliconidae. 
PART C. 
General Summary of Results believed to be new to Science. 
Tables.304 
Bibliography.323 
Explanation of Plates. 
Printed, March, 1807. 
