436 Uj'/plaoiation of Plates. 



Fig. 



12. Heliconins nmnata : captured by C. B. Roberts, April 2, 1905 : 



in Coll. Kaye. 

 The same specimen is represented in Fig. 14, PI. XXVI. 



13. Eueides nigrof\dva ^ : cajitured by C. B. Roberts, Nov.— Dec. 



1902 : in Coll. Kaye. 



14. Eueides nigrofuha, $ : captured by C. B. Roberts, March 25th, 



1905 : in Coll. Kaye. 



Lemoniin^. 



15. Stalachtis calliope : captured by C. B. Roberts, March 26th, 1905 : 

 in Coll. Kaye. 



Plates XXIV (upper-sides) and XXV (under-sides). 



Miillerian group of Ithomiine, Lycoreane, and Heliconine butter- 

 flies, showing the extreme banded forms. 



The specimens represented are the same, and their figures occupy 

 corresponding positions on both plates. 



All specimens are from the Potaro River, and all, except those 

 represented in 10 and 14, from thirty miles above its confluence with 

 the Esseqiiibo, British Guiana. (Between the eighth and tenth 

 mile from the Potaro, on the road to the gold mines.) Specimens 

 shown in Figs. 10 and 14 are from Tumatumari, fifteen miles lower 

 down the Potaro river. 



All figures are f of the natural size. 



iTHOMIINiE. 



1. Mechanitis pannifera, (^ : captured by C. B. Roberts, Sept. 1903: 



in Coll. Kaye. 



2. Mecltanitis polymnia, (^ : captured by C. B. Roberts, Nov. — 



Dec. 1901 : in Coll. Kaye. 



3. Mechanitis polymnia, 5 : captured by C. B. Roberts, Sept. 3rd, 



1903 : in Coll. Kaye. 



4. Ceratinia euclea form ninonia : captured by Percival, April 3rd, 



1904: in Coll. Kaye. 



5. Melinsea cravieri, (J : captured by C. B. Roberts, Aug. 28th, 



1903 : in Hope Dep. 



6. Melinxa mnevie, ^ : captured by C. B. Roberts, August 28th, 



1903 : in Hope Dep. 

 The same specimen is represented in Fig. 2, PL XXVI. 



7. Melinxa mnasius : captured by C. B. Roberts, March 17th, 1905 : 



in Coll. Kaye. 



