438 Explanation of Plates. 
Fic. 
6. Melinxa mneme, ¢ : captured by C. B. Roberts, Aug. 28th, 1903: 
in Hope Dep. 
7. Melinexamneme, ¢ : captured by C. B. Roberts, Aug. 28th, 1903 : 
in Hope Dep. 
The same specimen is represented in Fig. 11, Pl. XXIV, XXV. 
8. Heliconius numata: captured by C. B. Roberts, Feb. 10th, 1905 : 
in Coll. Kaye. 
9. Heliconius nwmata : captured by C. B. Roberts, March 3rd, 1905 : 
in Coll, Kaye. 
10. Heliconius numata: captured by C. B. Roberts, March 4th, 1905: 
in Coll. Kaye. 
11. Heliconius numata, captured by C. B. Roberts, Feb. 9th, 1905 : 
in Coll. Kaye. 
12. Heliconius numata: captured by C. B. Roberts, March 4th, 1905 : 
in Coll, Kaye. 
13. Heliconius nwmata: captured by C. B. Roberts, Dec. 9th, 1904 : 
in Coll Kaye. 
14, Heliconius numata: captured by C. B. Roberts, April 2nd, 1905: 
The same specimen is represented in Fig. 12, Pl. XXIII. 
PLATE XXVIII. 
Series of Lycorea pasinuntia and Lycorea ceres, transition from 
barred to black hind-wing, showing parallel. 
All specimens are from the Potaro River, thirty miles above its 
confluence with the Essequibo, British Guiana. (Between the eighth 
and tenth mile from the Potaro on the road to the gold mines.) 
All figures are about 2 of the natural size. 
1. Lycorea pasinuntia, barred form: captured by C. B. Roberts, 
Oct. 1901: in Coll. Kaye. 
2. Lycorea pasinuntia, darkest barred form: captured by C. B. 
Roberts, Oct. 1901 : in Hope Dep. 
The same specimen is also figured in Plates XXIV and XXV, 
Fig. 9. 
3. Lycorea pasinuntia, intermediate form : captured by C. B, Roberts, 
Nov.—Dec. 1901 : in Coll. Kaye. 
4. Lycorea pasinuntia, dark form with faint traces of inner section 
of pale submarginal band ; captured by C. B. Roberts, Nov.— 
Dec. 1901 : in Coll. Kaye. 
