AMERICAN —ASH-COLOURED. a 
sounds like sku. The name Arctic Skua seems to occur 
first in Fleming (1828); it is the Arctic Gull and Black- 
toed Gull of Pennant, while the name Richardson’s Skua 
is first found in Jenyns (1835), and was adopted by Yarrell 
in his first edition. 
Arctic TERN [No. 420]. A more northern species in our Islands 
than the COMMON TERN. It was first distinguished by 
Briinnich in 1764, but was not noticed by our British ornitho- 
logists until well into the 19th century. It is mentioned 
by Fleming (2nd ed. 1840), but he considered it only a 
variety of the Common Tern, and the bird seems to be 
first admitted under the name of Arctic Tern by Yarrell in 
1843. For derivation of Tern, se COMMON TERN. 
Aruine or ARLYNG: The WHEATEAR. Occurs in Turner 
(1544), in Gesner and in Merrett. 
Arnt, ARENT. Given by Aldrovandus as English names for 
an Eagle; no doubt equivalent to ‘‘ Erne.” 
ARRAN AKE: The RED-THROATED DIVER. The “ake” 
is equivalent to auk. Swainson says it is so-called “ about 
Luss in Dumbarton.” 
Arsroot: The GREAT CRESTED GREBE. (Merrett, Wil- 
lughby.) The LITTLE GREBE is the Small Arsfoot of 
Willughby. Cognate with Dutch arsvoote, from the back- 
ward position of the legs. 
Asau, AusA. Gaelic names for the GANNET; the former is 
used in the western isles, and the latter on the mainland 
(Graham). 
ASGELL-ARIAN. A Welsh name for the CHAFFINCH; lit. 
silver wing.” 
ASGELL-HIR: The SWIFT. (North Wales) lit. “long wing.” 
ASH-COLOURED BuzzaRD, or FaLcon, or Harrrer. See MON- 
TAGU’S HARRIER. It is the Ash-coloured Falcon of 
Montagu, formerly supposed to be the discoverer of the 
species. 
ASH-COLOURED HERON, or Hern, or HERNsHAW: The COMMON 
HERON. (Merrett.) Hett applies the first name to the 
NIGHT-HERON, but Merrett’s bird is obviously the 
COMMON HERON. 
AsH-coLoURED Loon: The GREAT-CRESTED GREBE. 
(Willughby.) 
ASH-COLOURED SanpprrpeR. The KNOT in winter-plumage 
was separated under this name by Pennant and other 
writers up to Montagu (1804), who however remarked that 
