390 Colonel C. Svvinhoe's Bevision of tlu 



femora are bright yellow, the tibiae and tarsi white ; tlie veins of the 

 wings are more prominent and more ochreous, and veins 6 and 7 of 

 the hind-wings are on a long stalk ; in the other forms of this genus 

 the stalk is short. 



Expanse of wings 2^ inches. 



Hob. Sapele, Niger River {Saiivpson). 



Genus Sitvia, Walker, xxxii, 387 (1865). 



Kettdia, Butler, Trans. Linn. Soc. Lond. (2), i, 

 p. 5G0 (1879). 



Sitvia denudata. 



Sitvia denudata, Walker, xxxii, 388. 

 Kettelia lowii, Butler, 1. c. 



1 ^ , Malacca. 1 $, Penang. 5 <^ , 1 $ , Borneo, in- 

 cluding type of loivii. 



Walker's type from Malacca is in Mus. Oxon. 



Genus Olapa, Walker, iv, 823 (185.5). 



Antiphella, Walker, vii, 1743 (1856). 



Olapa flabellaria. 



Flialxna Jlaldlaria, Fabr., Mant. Ins., ii, p. 188 (1787). 

 Liparis crocicoUis, Herr.-Schaif., Ausser-Eur. Schmett., i, f. 



110 (1854). 

 Olapa. tempeo'ata, Walker, iv, 823. 

 Antiphella vecontia. Druce, Ann. Mag. N. H. (7), iii, p. 469 



(1899). 



7 $, 10 $ from Abyssinia, Knysna, Natal, and the Gape. 

 Druce's type came from E. Africa; it is smaller than usual, 

 but one of the Natal example.s is still smaller. 



Olapa argenna. 



Cypra argenna, Mab., Ann. Soc. Ent. Fr., Iviii, p. 725 

 (1899). 



1 $ , Madagascar. 



Mabille does not give the sex of his type, neither does 

 he give the measurement, but his description exactly 

 corresponds with this example ; it is a true Lymantrid, and 

 not a Cypra, Boisd. = Gozistra, Walker, the type of which, 

 delicatnla, Boisd., is a Boarmid, as shown in my Memoir 

 on the Geometers in the National Collection, Trans. Ent. 

 Soc. Lond., 1902, p. 633. 



