As for a man who is not scientific by nature, I do not believe instructions will do him any good; and if he be scientific and good for anything the instructions will be superfluous.

I do not know who does the Botany; Owen does the Zoology, and I have sent him an account of my new simple microscope, which I consider perfect, even better than yours by Chevalier.

N.B.

I have got a 1/8 inch object-glass, and it is grand.

I have been getting on well with my beloved Cirripedia, and get more skilful in dissection.
I have worked out the nervous system pretty well in several genera, and made out their ears and nostrils (27/4.