His indignation at the malignant, odious, hypocrite Owen’s attack on JDH. History of Secretaryship [of Royal Society in Nature 9 (1873): 129–30] was best answer to Owen.

Is hard at work on new edition of Descent – a truly awful job.

No use going on with experiments on effects of water on bloom-divested leaves. May have erred. Or it may be that water is only injurious when there is a good supply of actinic rays. Will wait until spring.