Responds to CD’s query about the blind fauna of Mammoth Cave.
Gives information from L. Agassiz. Distribution of Crustacea, especially along southern coastlines.
Showing 1–4 of 4 items
Responds to CD’s query about the blind fauna of Mammoth Cave.
Gives information from L. Agassiz. Distribution of Crustacea, especially along southern coastlines.
Responds to CD’s criticism of his use of word "Kingdom" in discussing geographical distribution of Crustacea.
Agassiz has informed him that the mice and rats of Mammoth Cave are American in type.
Alludes to CD’s doubt of the principle that "progress of life on the globe is parallel with the development in different tribes". Outlines his own ideas on the "unfolding of the type-idea" and its "parallelism with the law of development in the embryo".
In reply to CD’s query [see 2072], JDD describes what little is known about the crustacea of the Antarctic and southern lands.
Knows of no species of the cold temperate south identical with those of the cold temperate north.