LAND AND FRESHWATER MOLLUSCA OF SCOTLAND 153 



SYLVIA ATRICAPILLA (Blackcap). 



Orkney. N. Ronaldshay, Oct. 4, 9. 



Forth. Gosford, Midlothian, April 23. 



Outer Hebrides. Barra, Oct. 13 ; "the first seen here." 



SYLVIA HORTENSIS (Garden Warbler). 



Orkney. N. Ronaldshay, one shot Oct. 4, another Oct. 5; "first 



observed here." 

 Argyll and Isles. Skerry vore, May n, in rush with Willow Wrens, 



etc. ; one killed at Light, S.E., light. 



REGULUS CRISTATUS (Golden-crested Wren). 



Shetland. Bressay, Oct. 14, at Light. 



Orkney. N. Ronaldshay, Oct. 4-11, a few seen. 



Tay. Bell Rock, Oct. 15, 16, with Starlings and Thrushes, S.W., 



haze. 

 Principal movements, Oct. 14-16. 



PHYLLOSCOPUS COLLYBITA (Chiff-chaff). 



Orkney. N. Ronaldshay, Oct. 16, 23. 

 Tweed. White Hall, Berwickshire, April 5. 

 Clyde. Dundonald, April 2 ; Ayr, April 3. 



Earliest, April 2 ; latest, Oct. 23, 



(To be continued.} 



ADDITIONS TO THE AUTHENTICATED COMITAL 

 CENSUS OF THE LAND AND FRESHWATER 

 MOLLUSCA OF SCOTLAND. 



WM. DENISON ROEBUCK, F.L.S. 



Hon. Secretary and Recorder to the Conchological Society of 

 Great Britain and Ireland. 



I HAVE a considerable number of new records to report in 

 continuation of my papers in previous numbers of the 

 " Annals of Scottish Natural History," of which the last 

 instalment appeared in the number for July 1893. I am 



