MEMBERS’ NOTEBOOK 
63 
breeding and the months during which nests have been 
found. 
8. If any member would add lists of the various migrants 
found in their localities and mark I * * 4 E.’ against European and 
‘ S.’ against those from the South much interesting informa- 
tion could be collected. I have noted twenty and will submit 
a list later on. 
R. VAN SOMEREN. 
JlNJA. 
1. Dr. van Someren’s suggestion re migrants will be very 
interesting and instructive. Could we not have a list drawn 
up in tabular form so that any member could jot down the date 
on which migrants are first heard or seen ? We should then 
have the whole thing in a nutshell before us. Something like 
this : 
Member’s name 
Date 
H. rustica 
C. canorus 
P. trochilus 
etc. 
I think also some mark should be put against the date, 
e.g. : 
if heard or seen only, * 
if shot and identified, f 
if nesting, J 
2. Cuckoos have been interesting me of late. One often 
sees weavers and other birds driving them away, but surely 
they cannot mistake the small Chrysococcyces for hawks. I 
should rather fancy that they know them to be parasitic and 
that the cuckoos have to take an opportunity when the owner 
of the nest is away to put its egg in. It would be interesting 
to know in what nests the eggs or young of cuckoos have been 
found. I lately (June 9, 1912) found a pure white egg, 
presumably of C. cupreus (though C. Massi is also about), in 
