38 COLYMBIDZI—PODICIPEDID& 
305. MERGULUS ALLE (Linn.). Little Awk. 
Winter visitor from the north, and not uncommon off the coast in the 
autumn, winter and early spring months. After some terrific on-shore 
gales in December and January, 1894-95, immense numbers appeared on 
the coast, hundreds being driven by the violence of the waves on the 
shore, and in many cases far inland. On January 21st, north-easterly 
gales, snow and hail, very many thousands close in ‘shore between 
Scarborough and the Spurn [‘ Nat.’ 1895, pp. 117-18-19]. Numerous 
again in the winter of 1896- ie 
3806. FRATERCULA ARCTICA (Linn.). Puffin. 
Resident and breeding in great numbers at Flamborough. Arrive at 
their haunts about the middle of April to the end of the month; leave 
again for the open sea about the end of August with their young. 
Common at sea in the winter, and I have known them numerous in the 
Huinber in February. 
Order PYGOPODES. Family COLYMBIDZE. 
807. CoLymMBuUs GLACIALIS, Linn. Great Northern Diver. 
Not uncommon in autumn, winter and spring off the coast, and also 
occasionally in summer; occurs also inland on fresh water. 
308. CoLyMBUS ADAmsI, G. R. Gray. White-billed Northern Dwer. 
An example of this Arctic species in winter plumage was shot from 
Filey Brigg in January, 1897, and came into possession of Mr. Brown, 
the bird-stuffer of that place, in whose shop I saw it. 
309. CoLymsBus aRcticus, Linn. Black-throated Diver. 
An autumn, winter and spring visitor off the coast, and seen occa- 
sionally to the end of May, is much scarcer than C. glacialis. Immature 
examples in the young plumage are more common than the adults in the 
autumn. 
310. COLYMBUS SEPTENTRIONALIS, Linn. Red-throated Diver. 
A common immigrant on the coast in autumn, winter and spring, 
some remaining all through the year. Are in full summer plumage in 
May, and in some cases retain this to the middle of October. 
Family PODICIPEDIDZ. 
311. PopicrpEs cristatus (Linn.). Great-crested Grebe. 
Resident, but very local; a few pair nests at Hornsea Mere. In 1888, 
half a dozen nests within a radius of so many yards [‘ Zool.,’ 1888, 
p- 804]. Appears at sea off the coast in September, and in rough weather 
occasionally resorts to inland waters. 
312. PoDICIPES GRISEIGENA (Bodd.). Red-necked Grebe. 
An autumn and winter visitor, and now apparently is the commonest 
erebe on the coast. In January, 1891, great numbers off the coast about 
Searborough and Flamborough Head, and in January, 1898, at sea off 
the Headland; occasionally obtained on inland waters in the winter. I 
have one with the red neck shot on January 17th, 1891, at Cleethorpes. 
