GEOMETRIDAE. 



145 



(2) C. semifascia Warren (1903, British New Guinea) ; additional localities for 

 the collective species are the Sula Is., New Britain, and the Solomon Is. Both 

 species will probably be separable into races, but are still very sparsely repre- 

 sented in collections, and are further complicated by the extreme sexual 

 dimorphism. It may be added that " Mariaba " medioplaga Swinhoe (1902) 

 is a Micrulia (Opistheploce), vide supra ; " Adeta " confusa Warren (1906), 

 probably a Hybridoneura while " Adeta " viridis Warren (1907) is, I suspect, 

 the $ of Onagrodes recurva Warren (1907). 



Hybridoneura Warren and Symmimetis Turner (== Neoscelis Hampson, 

 1903, nec Schock, 1897) must evidently be sexes of a single genus, though this 

 does not appear to have been suspected heretofore. The known specimens 

 of Symmimetis (sens, str.) and Neoscelis are invariably and the pattern of their 

 under sides shows a good deal in common with that of examples of Hybridoneura, 

 which are always H. abnormis Warren (1898) was found in the Khasi Hills, 

 and A r . cristata Warren (1897) = N. rivula Hampson (1903) has also been taken 

 there. A closely similar to H. abnormis was captured with N. metachlora 

 Hampson (1907) at Haputale, Ceylon. An undescribed Hybridoneura, apparently 

 representing a race of H. abnormis, was collected in the Hydrographer Mountains, 

 British New Guinea, with what appears to be N. cristata. The 2 forms which 

 have passed, comprehensively, as " Neoscelis " cristata, and really vary very 

 little, have an extremely wide range : Ceylon, N. India, the Andaman Is., 

 Penang, Bali, Dutch and British New Guinea, Rossel I., Feni I. (off New Ireland), 

 the Solomon Is. (Bougainville I.), and ? Fiji (only a worn example yet seen from 

 the last-named locality). From Turner's description of his N. muscosa, more- 

 over—the type of the genus Symmimetis (1907) — I have no doubt that Queens- 

 land must also be added, though I have not yet seen an Australian example. 



23. Pseudomimetis semi viridis (Warren). 



Gymnoscelis coquina ab. semiviridis Warren, Nov. Zool., iv, 228, 1897 (Queensland). 

 Gymnoscelis picta Warren, Nov. Zool., viii, 30, 1901 (Khasi Hills [err. loc. ?]). 

 Symmimetis sylvatica Turner, Tr. Roy. Soc. S. Austral., xlvi, 234, 1923 (N. Queensland). 



Upolu : Vailima, 600 feet, 1 l.ii.1924. 



There may possibly be some geographical variation in this species, of which 

 few examples are yet known, but there can be no doubt concerning their essential 

 homogeneity. Except for the unique " Khasi " type of G. picta, I had only seen 



