STBUTHIONES 



509 



syrinx, a statement, however, which does not, as was first 

 shown by Alix,' apply to Bhea. In that bird (see woodcut. 



Fig. 239. — Syrinx of Castiarius galeaius. Fboni ViEW."S(ArTEB Foebes.) 



Fig. 240. — The same, fboji behind. 



figs. 237, 238) there is not merely a pair of intrinsic muscles,^ 



' Bull. Soc. Phil. 1874, p. 38. 



' First noted, apparently, by Pabkee in Tr. Z. S. vol. v. p. 238, foot note. 



