No summary available.
No summary available.
Acknowledges CD’s paper on "Climbing plants".
Mentions Asa Gray’s complimentary notice in Silliman’s Journal [Am. J. Sci. and Arts 2d ser. 40 (1865): 273–82].
His difficulty in understanding how males of Daphnia or any other genus can produce eggs. If there is no impregnation, how can there be sexual organs? Why call one form male and another female?
He has sent CD his paper on "the new Potato Bug".
Will soon send "On Phytophagi Species & Unity of Coloration". [phytophagic!?]
Complaints about practices of the English Post Office.
His current research and description of the rationale of his experiments.
Thanks for his paper on the Pyrenees. Has he made any calculations on the depth from which thermal springs derive? The observations made with the spectroscope are interesting. Sent JH two memoirs by Count de S. Robert; would like them back and any comments JH has to make on them.