On H. C. Watson’s false and contemptuous criticism of [J. D. Hooker and T. Thomson] Flora Indica [1855].
W. B. Carpenter’s deep-sea dredgings.
James Croll’s last paper ["On geological time", Philos. Mag. 35 (1868): 363; 36 (1868): 141, 362].
On H. C. Watson’s false and contemptuous criticism of [J. D. Hooker and T. Thomson] Flora Indica [1855].
W. B. Carpenter’s deep-sea dredgings.
James Croll’s last paper ["On geological time", Philos. Mag. 35 (1868): 363; 36 (1868): 141, 362].
Thanks for information on fowls.
Glad to see extracts from Blumenbach about sexual differences in fowls.
Comments on glaciers in North America.
Asks if glacial periods have occurred alternately in the Northern and Southern Hemispheres. Relevant to his glacial discoveries in South America: "it would have been an immense relief to my mind if I could have assumed … this". CD wishes to discuss subject in new edition of Origin [5th].
Seems to JH to be some systematic error in some of RM's observations; JH includes examples.