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the Noddies next year sounds most exciting 
» 
If 
Your visit: 
You certainly gelJs around 1 I can hardly wait to hear abou\ 
the nodding movement which sounds from Watson and La shley ’ a 
descriptions very -'Similar to the bowing or scooping movement in 
the Arctic terns. Should it turn out to he a fesmix hostile 
movement of this hind I would very much like to know if it 
appears in the pre-cop behaviour of the male. You remember 
that in the Arctic's precop it makes a little bowing movement 
which is rather like that during hostility though not ito* quite 
same. However I have been driven to the conlcu&ion that 
this movement in the precop is essentially the same, for the 
reason that it occurs only in those species where there is 
the hostile bowing disolay (Arctic and Common) and not in those 
which have no such display (Roseate, Sandwich, Caspian, Black). 
I don’t remember if, in m y last letter, I thanked you 
for sending us a copy of your thesis, at last in print. 
We had referred so much to you thesis MS that it had become 
dog~e_ared in the extreme and it became almost impossible to 
find anything. Now we have already started dog-earing the 
printed copy.* 
the 
Hoping to hear from you soon, if you can spare a 
moment from equestrian pursuits and mourtainfceering . I should 
be very grateful for anything to chew on®, gulls, terns or 
cormorants . 
■ 
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