SYNTOMIN^. 51 



On the hind-wing the first spot covers nearly the basal half like 

 a triangle and runs into the point of the 2nd, which is a smaller 

 triangle in the disc. 



? like the male except that the 2nd and 3rd spots on the fore- 

 wing run into each other, being merely divided by the median vein, 

 the spots on the hind- wing are also in one and occupy two-thirds 

 of the wing, and there is a small yellow streak above the sub-apical 

 spot on the fore-wings. 



Expanse of wings ^ to 1^5 inches. 

 a. Australia <J ? (types). 



Allied to H. annulata (Fabr.), but much smaller. 



218. Hydrusa annosa. PL II. f. 17, 



Syntomis annosa. Walker: Journ. Linn. Soc., Lond., iii. p. 183 (1859). 

 - xxxi. 65 (1864). 



a. Singapore (type) (Wallace). b. No locality. 



219. Hydrusa diaphana. 



Syniomis diaphana. Kollar : Kasch. von Hugel, iv. p. 460, pi. 19, f. 7 



(1848). 



Walker: i. 126 (1854). 

 Cotes and Swinh. : Cat. Moths of India, ii. 47. 232 



(1887). 

 Syntomis ccnone. Butler: Journ. Linn. Soc., Lond., 1876, p. 344. 



Cotes and Swinh. : Cat. Moths of India, ii. 49. 256 (1887). 

 Type of anone, Mussouree, in B. M. 

 a. India (2). b. Assam (Jenkins). 



220. Hydrusa penang. 



Syntomis penanga. Moore : P. Z. S., Lond., 1859, ? I 9 8 P 1 - 60, f. 7- 



- Cat. Lep. E. I. C., ii. p. 325 (1859). 

 Syntomis diversa. Walker: xxxi. 75 (1864). 



Type. Penang, in B. M. 



a. Singapore (type of diversa) (Wallace). 



221. Hydrusa claremontii. 



Syntomis claremontii. Heylaerts : Comptes-rendus de la Soc. Ent. Bel- 



gique, Feb. 6, 1890. 

 Type. Java, in coll. Heylaerts. 

 a. Java (Wallace). 



222. Hydrusa basirufa. n. sp. 



<J ? Antennas, head, thorax and wings black, antennae serrated in 

 the male, frons and a spot on each side of thorax in front white ; 

 abdomen dark green, a bright crimson stripe covering the base of 

 thorax and of first two segments of the abdomen. Fore- wings with 

 two limpid bands, ist occupying the basal half of the wing with the 

 exception of a small space at the base, and divided into three by the 

 median vein and branch, the centre one small, 2nd band discal, 



2 



