1894.] L, de ^ic^yiWe^^BidterJlies from the Indo-Malayan region. 9 



line pair, and have all tlie markings and coloration of an ordinary 

 female. The masculine antenna is 14 mm. in length ; the feminine is 

 much shorter, being only 10*5 mm. in length. Externally the organs 

 of generation are masculine, I have not dissected them to ascertain 

 their internal structure. 



Grynandromorphous butterflies are very rare. In all my experience 

 I have met with only one other example in India, a specimen of Cylio- 

 genes suradeva, Moore, collected by the late Mr. Otto Moller, and now 

 in Mr. J. H. Leech's possession. The late Professor Westwood has 

 figured two separate examples of Cirrhochroa aoris, Doubleday and 

 Hewitson ; Mr. George T. Baker has figured and described the primary 

 sexual characters of an Eronia {Nepheronia) Jiippiay var, gcea, Felder, 

 and Herr Georg Semper an example of Papilio castor, Westw^ood, 

 these are the only other Indian gynandromorphous butterflies of which 

 I am aware. 



8. EuTHALiA sAKii, n. sp., Plate III, Fig. 3, 5 . 



Habitat : N.-E. Sumatra. 



Expanse : 5 , 3'1 inches. 



Description : Female. Upperside, both ivings pale ochreous-brown. 

 ioreiving with a narrow fuscous line crossing the discoidal cell near the 

 base, continued to the submedian nervure ; a large ring-spot in the 

 middle and another at the end of the discoidal cell ; a series of five 

 semi-transpai-ent sullied-white spots between the veins beyond the end 

 of the cell, from the subcostal nervure to the first median nervule ; 

 the anteriormost spot linear ; the second also linear, but a little longer 

 than the first ; the thii^d spot triangular, the smallest of the three, the 

 fourth spot lai'ger than the third, cordate ; the fifth the largest of 

 all, also cordate ; beyond this series of spots is a broad irregular 

 diffused violet-whitish-powdery fascia, narrow at the costa, wide on 

 the inner margin, beai'ing a series of dark sagittate markings placed 

 between the veins from the lower discoidal nervule to the sabmedian 

 nervure ; a very small fuscous ring-spot in the submedian interspace 

 placed at the point where the first median nervule originates. Hindtvwg 

 with a small fuscous spot in the middle of, and a much larger 

 ring-spot closing the cell ; a discal series of six spots similar to 

 and in continuation of the series in the forewing, the thi-ee anterior 

 ones large, cordiform, decreasing in size, placed ia the costal, upper 

 and lower subcostal interspaces, the fourth spot in the discoidal inter- 

 space almost obsolete and very small, the fifth and sixth spots in tlie 

 median intersiDaces small ; the outer margin broadly whitish washed 

 with a metallic greenish-blue of a curious shade, and bearing a prominent 

 J. II. 2 



