100. 13/5/38 2 seen. Bad areas 14/5/38 Collocalia rare 4 only seen in good areas, swamps, etc. 16/5/38 Numbers of both species Coll. feeding in bad rough weather. 30-40 seen. 17/5/38 4 seen in good areas, none in bad areas 18/5/38 None seen in fair areas where it was once very plentiful. 19-21/5/38 Only odd ones seen. 22-28/5/38 C. still rare only old ones seen in good areas, one in poor areas. 1/6/38 C. more numerous fairly common again 20-30 seen. 3/6/38 C. again rare Few being seen even in good areas (4 only). 6/6/38 C. again disappeared, none seen. During missed dates and from there on the birds were very rare except near breeding colonies. Sometime none being seen in a day sometime as many as 6 or 10 in good areas, some days even good areas showed 1 or none. Bad areas all showed nil or an occasional stray. Entries were almost monotonous in the regularity of the reports of the lack of birds. Through it all Collocalia escul. remained normal and unchanged. NOTOPHOYX NOVAE HOLLANDIAE:- Natives on Uvea do not know this species though from some vague descriptions given it is just possible it may appear there very very rarely after very stormy weather (being carried or blown from New Caledonia) but evidently never remains long. This species prefers rivers