254 Studies in the Theory of Descent. 



only seen the living caterpillar of F^i,c^formis, and 

 this possessed no oblique stripes. 



To these five species I am now enabled to add 

 a sixth, viz. Macroglossa Croatica^ a species 

 inhabiting Asia Minor and Eastern Europe, of 

 which a specimen and notice were kindly forwarded 

 to me by Dr. Staudinger. The adult caterpillar 

 much resembles that of M. Stellatarum in form and 

 marking, but the subdorsal line appears much 

 less distinctly defined, and the dorsal and spiracular 

 lines seem to be entirely absent. The colour is 

 generally green, but varies to red, and the sub- 

 dorsal is more distinct and sharper in the young 

 than in the adult larva. The markings of this 

 species do not therefore in any way surpass those 

 of Stellatarum, but are, on the contrary, much 

 simpler. 45 



44 [Eng. ed. The caterpillar is described and figured by 

 Milliere, " Iconographie des Chenilles et Le'pidopteres inedits," 

 tome iii., Paris, 1869 ; also in the Annales, Soc. Linn, de 

 Lyon, 1871 and 1873.] [This sp. = Hemaris Croatica, 

 Esper., of Butler's revision. R.M.] 



45 [The following additional species of the subfamily Macro- 

 glosshuz have been figured by Butler \-Lophura Hyas, Walk. 

 (loc. cit. PI. XC, Figs, i and 2), Hong-Kong, Silhet, and Java. 

 The larva is apparently figured in two stages, the younger being 

 red-brown with oblique white stripes, and the head and three front 

 segments green. The larger specimen is green, mottled with 

 red-brown, and no oblique stripes. In both figures the sub- 

 dorsal line is indicated. The whole colouring is very suggestive 

 of protective resemblance. Hemaris Hylas, Linn., from China, 

 Japan, Ceylon, India, Australia, and Africa (loc. cit. PI. XC., Fig. 

 4). The upper part of the body is light blue, and the lower part 



