274 MR. F. MOORE ON LIMNAINA AND EUPL(EINA. [May 1, 



4. Betanga ANTHRACINA. 



Euploea anthracina, Butler, Proc. Zool. Soc. 1866, p. 280, f. 1, 

 ij ; Journ. Linn. Soc, Zool. xiv. p. 301. 

 Euplcea ivalkencden, Boisd. MS. 



Hal. Amboina, Gilolo. 



5. Betanga duponchelii. 



Ei(ploea duponchelii, Boisduval, Voy. Astrol. Lep. p. 97 (1832) ; 

 Butler, Journ. Linn. Soc, Zool. xiv. p. 301. 



Euploea geyeri, Boisd. MS. 



Hah. Bouru, Ceram. 



6. Betanga dodingensis, n. sp. 

 Euploea moorei, Boisduval, MS. 



Closely allied to B. duponclielii. Upperside of a more uniform 

 colour : fore wing with a somewhat broader sericeous streak ; no 

 marginal pale spots : hind wing unspotted. Underside also of a 

 more uniform colour : fore wing with four discal bluish-white spots, 

 and two very minute costal dots : hind wing with a small bluish-white 

 spot within the cell ; a discal series of six spots, and an upper sub- 

 marginal series of three or four spots. 



Expanse 3j inches. 



Hah. Dodinga. In colls. M. Oberthiir and F. Moore. 



7. Betanga vitella. 



E^iploea vitella, Montrouze, Ann. Soc. Phys. Nat. Lyon, 1856, 

 p. 403. 



Hah. Woodlark Island. 



8. Betanga meg^era. 



Etiploea meffcera, Butler, Proc. Zool. Soc. 1866, p. 2/6 ; Journ. 

 Linn. Soc, Zool. xiv. p. 300. 

 Hab. Aru. 



Penoa, n. g. 



Euploea (sect. C & D), Marshall and de Niceville, Butt, of India, 

 p. 80 (1882). 



Male. Differs from typical Crastia (core) in having a less trian- 

 gular form of fore wing, which is also broader and is glossed with 

 purple-violet or deep blue, the exterior and posterior margins convex, 

 the edge of the latter more even, and in possessing a very long and 

 broad sericeous brand : hind wing shorter, the costal margin 

 straighter. 



Type P. alcathoe, 



1. Penoa alcathoe. 



Danais alcathoe, Godart, Enc Meth. ix. p. 178 (1819). 



Euploea alcathoe, Butler, Journ. Linn. Soc, Zool. xiv p. 301 ; 



