INDEX. 
333 
CEdemia fusca, 194 ; nigra, 194 ; perspi- 
ciUata, 195. 
"Old Man of Hoy," 46. 
" Old Man of Stoir," rocks so called, 37. 
Old Stat. Acc. Scot., 4; on mammalia, 
69 ; on the squirrel, 90 ; on rabbits, 95. 
Old Tain, 46 ; links of, 48. 
Olrig, rookery at, 151. 
Omond, R. T., 78 note. 
Onopordtum acanthium, 31. 
Opah, 262. 
Orchis maculata, 31. 
Ompius thynnus, 263. 
Ord, The, of Caithness, 17, 56, 66 ; ring- 
ouzel at, 102 ; snowy owl trapped at, 
163 ; rough-legged buzzard often seen 
at, 167 ; white-tailed eagle bred at, 169 ; 
peregrine falcon at, 175 ; rock-dove 
breeds at, 198. 
Ordnance Survey, 23 note ; area of Suther- 
land in, 14 ; area of Caithness in, 16 ; 
Gaelic and Scandinavian names in, 18. 
Oriole, golden, 119. 
Oriolus gcdhula, 119. 
Orkney, faunal area of, 59 j grey seal in, 
82 ; field vole in, 93 ; long-tailed duck 
in, 193 ; red-breasted merganser in, 
197 ; manx shearwater breeds in, 238 
note. 
Ormly Farm, long-eared owl from, 160. 
Orthcujorkcm truncatiis, 296 ; mola, 296. 
Osborne, Henry, 2, 6, 62 ; contributes 
to The Field, 9; Memoir of, 11; 
British Birds, writes a history of, 12 ; 
death of, in 1868, 12 ; meets with 
starved redwings, 99 ; on the black- 
bird, 101 ; on the ring-ouzel, 102 ; on 
the wheat-ear, 104 ; on the stone-chat, 
105 ; on the red-start, 106 ; incident 
regarding robin by, 107 ; on blackcap 
warbler, 108 ; on the gold-crest, 109 ; 
on the chifF-chafF, 110; on the hedge- 
sparrow, 112 ; on the cole tit, 114; on 
the creeper, 115 ; on the wagtail, 116 ; 
on the grey wagtail, 117 ; on the great 
grey shrike, 119 ; observes wax wing, 
120 ; on the flycatcher, 121 ; observes 
tree-sparrow in Caithness, 129 ; on the 
chaffinch, 129 ; on the lesser redpoll, 
131 ; on the twite, 132 ; on the bull- 
finch, 133 ; records parrot crossbill in 
Caithness, 133; mentions yellow-ham- 
mer, 136 ; observes snow-bunting, 143 ; 
on the inagpie, 146 ; on the liooded 
crow, 148; on rooks, 149; on the 
raven, 152 ; on the roller, 157 ; on the 
long-eared owl, 160 ; records short- 
eared owl, 161 ; records snowy owl at 
Strathmore, 162 ; on the hen harrier, 
165 ; on the white-tailed eagle, 169 ; 
on the sparrow-hawk in Caithness, 171; 
narrative regarding peregrine by, 174 ; 
obtains hobby from Thrumster, 175; 
records merlin, 176; on the kestrel, 
177 ; on the cormorant, 179 ; on the 
shag, 180 ; on grey-lag goose, 184 ; on 
white-fronted goose, 185 ; on the pin- 
tail, 190 ; on tufted duck, 192 ; fails to 
obtain eider duck, 194 ; records phea- 
sant at Stirkoke, 201 ; mentions quail 
at Ulbster, 202 ; on the ptarmigan, 203 ; 
mentions sj)otted crake, 207 ; water- 
hens in possession of, 208 ; on dotterel, 
212 ; on golden plover, 212 ; mentions 
ringed plover, 213 ; on the turnstone, 
214; on jack snipe, 218; observes 
purple sandpiper, 220 ; records knot, 
220 ; on bar-tailed god wit, 224 ; on 
whimbrel, 226 ; on gull-teasing habits 
of tern, 228 ; on the herring gull, 232 ; 
skua (living) in joossession of, 235 ; on 
Richardson's skua, 236 ; records ful- 
mar petrel, 238 ; on manx shearwater, 
238. 
Osborne, Henry (sen.), keeping grouse, 
205 ; attention to grouse by, 205 note. 
Osmerus eperlanus, 291. 
Osmunda regalis, 35. 
Ospisdale, attempts to reintroduce caper- 
caillie at, 206. 
Osprey, 177 ; undisturbed in 1850, 178. 
Ossory, 4. 
Otis tetrax, 209. 
Otter, 65, 79. 
Otus vulgaris, 159 ; brachyotus, 306. 
Ousdale, 56 ; snowy owl trapped at, 163; 
rough-legged buzzard often seen at, 
167 ; eagles at, 168 ; goshawk trapped 
at, 170 ; Iceland falcon trapped at, 
173. 
Outer Hebrides, 13. 
Ouzel, water, 199. 
Ouzel, ring, 101 ; arovand Stronchrubie, 41. 
Overskaig, cole tit at, 114. 
Owen, Professor, 68. 
Owl, long-eared, 159 ; short-eared, 160, 
306 ; tawny, 161 ; snowy, 162 ; scops- 
eared, 163 ; Tengmalm's, 163 ; barn, 
159, 306. 
Ox, 67, 68. 
