( 270 ) 



question as confusus (see tig. llj, and that there are also specimens of conjusait 

 in which the sexual organs are formed nearly as in aldnous and phttonius (see 

 fig. 13); 



(3) That the red-headed confusus from tlie Loo (Jhoo Islands has the sexual 

 organs about identical with those of alcviwits (fig. 12) ; 



(4) That the typical riiencms Feld. is diflferent from either alcinovs, confusus. 

 impediens, or phdonius (see figs. 21-2o) ; 



(5) That the harpe of Impediens, with shorter abdominal fold and narrower 

 hindwings, is again very difi'erent from that of typical 'niencius, confusus, aldnous 

 King, and phttoniua Oberth. (fig. 26) ; 



(6) That the organs of the si)eciraen of pLuto^iius with white scent-organ (see 

 plutonius, p. 271) are \ery ditferent from the usual pluionius form and from meacius, 

 confusus, etc. (figs. 31, 42) ; 



(7) That the long-tailed aldnous Klug (= spathatns Hutl.) has the same sexual 

 organs as the short-tailed aldnous King (fig- 10). 



Combining the characters derived from the sexual organs of the iiiale with 

 those derived from the shape of the wings, the colour and size of the scent-organ, 

 and the colour of the head, we must distinguish the following forms of the male : — 



(1) aldnous Klug: head black; scent-organ of male blackish brown; sexual 

 organs oi male as in figs. 1-11, 32-35. — Japan. 



(2) (confusus. variation of): head red; the rest as before (figs. 12, 36). — 

 Loo t'hoo Islands. 



(3) confusus mihi : head red; scent-organ as before; sexual organs a^< in 

 figs. 13-20, 37, 38.— All over China. 



(4) mendus P'eld. : head red ; scent-organ shorter and narrower and white ; 

 scaling at the discal side of the wooUy scent-organ whitish ; sexual organs as in 

 figs. 21-25, 39. — Fu-tschou, Kiu-Kiang, Chang- Yang. 



(5) impediens m. : head as before ; scent-organ still shorter and narrower, and 

 also white; hindwings very narrow; scaling at the discal side of the woolly sci'ut- 

 organ blackish ; sexual organs as in figs. 26, 40. — Ta-tsien-lu. 



(6) plutonius Oberth. : head as before ; scent-organ less broadened towards the 



EXPLANATIO.N OF FiGUKES 1 — 42, PLATE VI. 



Figs. 1 — 11. Hiirpe of P. alcinous Klug from Japan : 1 & 2, 7 & 8 respectively are right aud loft 

 liarpe of one individual ; 10 is harpe of a large, long-tailed .specimen {sjmthatus 

 IJutl.). 



Fig. 12. Harpe of cnnfusua m. from the IjOO Choo Islands. 



Figs. 1.3 — 20. Harpe of confiisus m. from China. 



Fig.s. -1 — 2.5. Harpe of meiicius Feld. from China. 



Fig. 26. Harpe of ini]}i (liens m. from China. 



Figs. 27 — .SO. H.irpe of plutonius Oberth. from China. 



Fig. 31. Hirpe oifaiuus m. from Cliina. 



Figs. 32 — 35. Uncus, scaphium, and penis of afcjnous Klug from Japan, side view ; much less variable 

 than the harpe. 



Fig. 36. The same of cmifusus m. from the Loo Choo Islands. 



Figs. 37, 38. The same of ennfusus m. from China. 



Fig. 39. The same of memiiis Feld. from China. 



Fig. 40. The same of impedims m. from China. 



Fig. 41. The same of pluionius Oberth. from China. 



Fig. 42. Uncus and scaphium oi/aluus m. from China ; scaphium different from that oi plutunim, 

 inenciuii, imjti^diena, coiifufiua, ulcinotta. 



