Asks for a specimen of Pinguicula.
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Asks for a specimen of Pinguicula.
Thinks Frank and he have worked out Pinguicula well and they long to attack Utricularia. Tried several plants with sticky glandular hairs; some few absorb ammonia, but the greater number do not. If JDH sends plant or seed of Lychnis CD will examine it to see whether it catches many flies. Asa Gray has written him much about Sarracenia, with a specimen showing the splendid dodge by which ground insects are enticed up and then drowned. Describes how it may be investigated, to see whether it absorbs decayed matter from flies, or ammonia thus generated.
It would be interesting to prove that some plants feed on decayed animal matter whilst others like Drosera can digest fresh animal matter. Suggests the method for observing this.
Suggests experiment involving cobra poison on white corpuscles. Thanks for offer of Crotalus poison.
Asks about the effect of atropine on the eye. Is interested in parallel case: influence of phosphate of ammonia on glands of Drosera.
The Acacia must be Belt’s "Bulls’ horns".
The complexity of Utricularia has driven Frank and CD almost mad. Suspects it is necrophagous, i.e., it cannot digest, but absorbs decaying animal matter.
Foster is certainly in error. Every insect that Drosera catches causes aggregation.
"It is grand about Nepenthes."
JDH is welcome to notice in any way any of CD’s published or unpublished results with insectivorous plants. Gives an abstract of his observations on Drosera.
JDH should do as he likes with insectivorous plant materials.
He has always thought telling JDH what he has been doing was as good as publishing.
Cephalotus seems as horrid a puzzle as Utricularia.
Nepenthes will turn out a great job if the pitchers of different species act differently. JDH’s paper on Nepenthes [Rep. BAAS 44 (1874): 102–16] is too long for CD’s book. Well deserves a place in Philosophical Transactions.
Has been examining Utricularia minor. Same essential structure but catches smaller Entomostraca. One bladder had 24, another 20, and another 15 Entomostraca. "What slaughter! We must make out the functions of the beast––".
Advises GHD to get an eminent counsel. If counsel’s opinion is that the reviewer [Mivart, in "Primitive man", Q. Rev. 137 (1874): 40–77] has falsified GHD’s statements, GHD should send the opinion to the Quarterly Review and demand publication, and if refused publish elsewhere. Then CD must decide whether to cut John Murray [publisher of Q. Rev.] which will put CD in a nice perplexity [over his rights to the stereotyped editions of past works].
Hasty note to express his most decided opinion that letter [to Q. Rev.] should not give a sketch of GHD’s essay – only an explicit denial "& do not allude to me".
Comments on bees.
Praises TB’s The naturalist in Nicaragua.
Thanks GJR for his letter, regrets pressure of other work prevents his giving GJR’s remarks the attention they deserve. GJR makes clearer how an organ that has started to decrease will go on decreasing.