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Show 748 MR. J. WOOD-MASON ON THE [Julie 18, were purchased alive and killed and examined before muscular contraction had set in, the trachea was found to be looped as in fig. 1 ; a specimen living when obtained, but which died unexpectedly and in which decomposition had set in before I had had an opportuuity of fthynchma capensis $, dissected, so as to show its looped trachea in situ. Fig. 2. Phynchcca capensis 3, clisiseeted, so as to show its straight and simple trachea in situ. opening it, also had its windpipe looped ; several, however, that purchased dead had it retracted, almost straight, with the sternotracheal muscles strongly contracted. 2. Females not nearly so richly and deeply coloured as the preceding. In these there was only a slight superficial sinuosity in |