MIGRATION OF BIRDS IN N.E. LINCOLNSHIRE. 131 



T. canutus, Linn. Knot. — r A few small flocks of Knots 

 appeared on North Cotes sands on Sept. 26th, and some very 

 large flocks on Nov. 5th. 



Calidris arenaria (Linn.). Sanderling. — Very scarce ; only 

 saw four — two adults and two young — between Saltfleet and 

 Grainthorpe on Sept. 3rd. On 27th I noticed a few small flocks 

 containing both old and young birds in the same locality. 



Machetes pugnax (Linn.). Ruff. — Saw a single Ruff on Grain- 

 thorpe " fitties " on Sept. 6th. 



Totanus hypoleucus (Linn.). Common Sandpiper. — I found 

 these birds abundant in all the marsh-drains near the coast on 

 my arrival in Lincolnshire in the middle of August, and a few 

 remained in the district until Sept. 28th. 



T. ochropus (Linn.). Green Sandpiper. — As in the case of 

 the last species, the Green Sandpiper was abundant by the 

 middle of August. It had become scarce by Sept. 22nd, and I 

 last saw it on Nov. 3rd. 



T. calidris (Linn.). Redshank. — Very large flocks on Grain- 

 thorpe " fitties " on Sept. 3rd. 



T. fuscus (Linn.). Spotted Redshank. — I saw two of these 

 birds in a "crike " in a field near the coast at North Cotes on 

 Aug. 16th, and again at the same place on 28th, with a party of 

 five Greenshanks. One was caught by a Plover-catcher at Tet- 

 ney on Sept. 23rd. 



T. canescens (Gmeh). Greenshank. — Several Greenshanks 

 on Tetney "fitties" on Aug. 23rd, and a great many both at 

 Tetney and North Cotes on 28th. 



Limosa lapponica (Linn.). Bar-tailed Godwit. — A flock of 

 about a dozen Godwits on Grainthorpe " fitties" on Sept. 3rd. 



Numenius arquata (Linn.). Curlew. — Curlews were passing 

 S. over Grainsby in great numbers on the night of Aug. 14th. 

 Some large flocks appeared on the coast on 28th, and the species 

 was abundant through the autumn and winter. 



N. phceopus (Linn.). Whimbrel. — This usually abundant 

 species was almost entirely absent. I saw a few on Aug. 16th, 

 only one on 28th, and all were gone before the middle of 

 September. 



Sterna macrura, Naum. Arctic Tern. — Very scarce; I saw 

 two on Sept. 6th near Grainthorpe Haven. On 27th a few small 



