I don’t quite know what question to ask Wrigley, for I must have something definite.²

It seems as tho’ there were an infinity of secondary spires— I don’t quite understand your cone question, but it must come to the same as the other.³

How strange that the young shoot should jump from $\frac{3}{8}$ to $\frac{5}{13}$ & miss all intervening fractions. Though after all it is’nt much $\frac{3}{8}$ = $\frac{39}{104}$ and $\frac{5}{13}$ = $\frac{40}{104}$ only $\frac{1}{104}$ difference so there could’nt be many intervening fractions, except with very high denom^rs.—

I don’t suppose those spires have anything to do with it, but it’s very strange how they arise.—

As you know the holidays begin on next Tuesday week. As on that day the Oxford & Cambridge match is going on at Lord’s I think I shall go there & come home in the evening, but the boys I suppose will come in the morning.⁴ I’ll let you know again before the time.

Next Tuesday there is a whole holiday & a cricket match old versus present members of the School & a good dinner in the evening.

L’s letter is rather a curiosity in the way of spelling, but its because he does’nt look it over.⁵

I remain | Your affec: Son | G. H. Darwin