NOTE XV., CHAPTER IV., p. 199. THE HISTOLOGY OF THE CRAYFISH.

NOTE XV., CHAPTER IV., p. 199. THE HISTOLOGY OF THE CRAYFISH.

In dealing with the histology of the crayfish I have been obliged to content myself with stating the facts as they appear to me. The discussion of the interpretations put upon these facts by other observers, especially in the case of those tissues, such as muscle, on which there is as yet no complete agreement even as to matters of observation, would require a whole treatise to itself.