MELISA. — THYEASSIA . 
19 
Melisa diptera. (Plate IX. fig. 10.) 
Euchromia (Melisa) diptera, WaUcer, Cat. Lep. Het. i. p. 265. n. 114 (1854). 
Wings blacky with purple reflections ; the secondaries very small. Body black ; abdomen 
with lateral series of ochreous dots j anus castaneous ; pectus black ; femora, tibise, and tarsi 
reddish orange ; venter with the basal half reddish orange, anal half ochreous. Expanse of 
wings 2 inches 1 line. 
Congo {Richardson). 
HYDRUSA, Walker. 
Hydrusa bicolor. (Plate IX. fig. 1.) 
Euchromia (Hydrusa) bicolor, Wallcer, Cat. Lep. Het. i. p. 255. n. 96 (1854). 
Wings black. Body black ; the head, collar, and seven broad transverse abdominal bands 
orange. Expanse of wings 1 inch 3 lines. 
Australia. 
Hydrusa multigxitta. (Plate VII. fig. 3.) 
Syntomis multigutta, Wallcer, Cat. Lep. Het. i. p. 134. n. 37 (1854). 
Wings yellowish hyaline, margins and veins black-brown : primaries with a discocellular 
litura and the apex brown : secondaries with rather a wide outer border. Head and thorax 
black ; outer margin of tegulse carmine : abdomen carmine, with three rows of oblong spots 
and the anus black ; pectus dark bro^vn, trochanters carmine ; venter carmine, with two rows 
of oblong black spots. Expanse of wings 1 inch. 
Nepal {Hardwicke). 
The type is faded, consequently the abdomen is described as " reddish luteous ; " but we 
now have a fresh example from Darjeeling, and a second marked " India," in both of which 
the abdomen is bright carmine. 
THYRASSIA, Butler. 
Thyrassia subcordata. (Plate VII. fig. 5.) 
Syntomis subcordata, Walker, Cat. Lep. Het. i. p. 132. n. 33 (1854). 
Brownish black : primaries with three luteous hyaline spots, two forming a postmedian 
transverse band, the third subapical : secondaries with a large ochreous spot at the base ; 
abdomen with a broad central ochreous band, interrupted by one or sometimes two black- 
edged segments and a slender longitudinal dorsal line. Frons and collar ochreous ; venter 
black. Expanse of wings 10 to 12 lines. 
North India. 
D 2 
