To J. H. Balfour   29 April 1852

My dear Sir,

Allow me to thank you for a copy, just received, of your Class Book N ^o 1.

which seems to be very complete – I have named it to my Class & I have no doubt many will avail themselves of it – tho’ not being complete, some will prefer your old manual- As our new system is now beginning fairly to work – I find my class much increased, & am trying to restrict our non-readers to a sort of minimum that I may not frighten them by too much – They really have very little time away [illeg.] this sort of supernumerary lecture, & my course consists only of 20 – There is a proposal to add 3 or 4 weeks to this term, which if carried will afford me more opportunity- I think I sent you a little sketch I printed last year of my minimum (not my syllabus) in the form of Questions to direct attention to what would be absolutely required- The questions would be put somewhat differently from the form in which they are printed to avoid mere rote-work- If I did not send this I shall be happy to forward a copy-

Believe me | Very truly Y ^rs | J S Henslow

P. S. It just catches my eye that you have accidentally given the same ex-planation to fig. 141 & 142 _ at foot of p. 59 – & at p. 58. S ^d it not be “as in tendril of Bryonia” at line 25? 141 is dextrorum & 142 sinistorsum - I never observed till lately that a misprint in my old volume (15 y ^rs ago) I have given them wrongly also.

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N. B. If you happen to have any waste copy with your wood cuts, I shall be very glad of some – as I make use of them by pasting such on pasteboard & placing them among specimens at lectures