Notes on the Ornithology of Caithness. 
337 
edly through inadvertence, he does not mention the ring dot= 
terel ((7. hiaticula), which is as common as the other is rare. 
In the fifth and last order three new species have been 
^ added — the bridled guillemot, found in abundance on our 
east coast every year, Eichardson's skua, and an Ivory gull, 
found by myself. This bird is stated, on the authority of a 
celebrated Scottish naturalist, not to belong to the common 
species, but one new to the British list. I have not, as yet, 
ascertained its name. 
-The following is the complete list : — 
Raptores. — {First Order.) 
*ralco Islandicus {Jer-Falcon). 
Falco peregrinus {Peregrine Falcon), common, 
Falco subbuteo {Hohhy), rare. I once saw one of these "birds with 
Charles Wilkinson, gamekeeper. It was killed at Thrumster. 
Falco sesalon {Merlin), common. 
Falco tinnunculus {Kestrel), rare in winter, common in summer. 
Accipiter fringillarius {Sparrow -JiaivJc) , occasional ; only in autumn. 
Astur palumbarius {GoshaivJc), very rare ; never to my knowledge. 
Aquila chrysaeta {Golden Eagle), occasional, 
Aquila albicilla {White-tailed Sea Eagle), breeds. 
Buteo lagopus {Rough-legged Buzzard) , rare ; only in Dr Sinclair ' s 
collection. 
Buteo vulgaris {Common Buzzard), rare, do. do. 
Pernis apivorus {Honey Buzzard), very rare. do. do. 
Circus cyaneus (Common or Hen Harrier), breeds. 
Circus cineraceus {Ash-coloured Harrier), very rare. do. 
Circus rufus {Marsh Harrier)^ rare. do. do. 
Strix flammea {White or Barn Otvl), rare. do. do. 
Ulula stridula {Tawny Oiol), rare. do. do. 
Otus vulgaris {Long-eared Oivl), bred last year. 
Otus brachyotus {Short-eared OvjI), breeds. 
*Strix nyctea {Great Snotoy Owl). An adult specimen, caught alive at 
Kilmster, was kept for some time by Mr Osborne, ibut it ultimately 
escaped. 
Insessores. — {Second Order.) 
Lanius excubitor {Great Ash-coloured Shrike), thrice found. This 
bird was once captured by me in spring, in the act of attacking a 
linnet fixed in a hair snare, and itself got entangled also. 
Cinclus aquaticus {Water Dipper), common. 
Merula viscivora {Missel Thrush), common. 
Merula pilaris {Fieldfare), common ; seen in Caithness this year and 
last, in the beginning of August. 
Merula iliaca {Bediuing), common. 
Merula musica {Song Thrusli), common. 
Merula vulgaris {Blackbird), common. 
Merula torquata {Ring Ousel), common. 
Saxicola senanthe {Wheatear), common. 
Saxicola rubetra {Whinchat)^ common. 
Saxicola rubicola {Stonecliat), rare ; saw one this year in the month of 
June, near Lybster. 
