Snake, Smooth, Notes on, iv. 197 



Turkey, iii. 4 

 Snipe, Brown, ii. 7 



Common, i. 306; ii. 115, 160, 162, 

 224; iii. 59, 70, 164, 265; iv. 

 15, 66, 174, 249, 314; v. 59, 



145 

 Great, i. 236, 306 ; iii. 164; iv. 173, 



248, 315 ; v. 54, 59 

 Jack, i. 306 ; ii. 115, 160, 162; iii. 

 59, 70, 164, 265 ; iv. 66, 249, 

 315; v. 59, 146 

 Solitary, i. 101 

 Societies to which Proceedings are sent, 



iii. 219,359; iv. 112, 330 

 Sparrow, Black-throated, ii. 278 

 Chipping, ii. 279 

 Common, i 288; ii. 101 ; iii. 66, 163, 



264 ; iv. 59, 162, 239 ; v. 140 

 Field, ii. 279 

 Hedge, iii. 62, 163 ; iv. 58, 239 ; v. 



136 

 Song, ii. 279 

 Tree, i. 85 ; ii. 57, 101 ; v. 140 



, Notes on, ii. 57 



White-throated, Occurrence of in 

 Aberdeenshire, i. 209 

 Sparrow-hawk, i. 251, 275 ; ii. 78, 

 160 ; iii. 61, 162, 232, 261 ; iv. 62, 

 243 ; v. 1 16, 132 

 Notes on, i. 251 

 Species, On, v. 15S 

 On the Darwinian Hypothesis of the 



Transmutation of, i. 47 

 Permanence of, and the limits of 

 variation, i. 77 

 Spider, Trap-door, iii. 4 



Nest of, iii. 37 

 Spiders, Notes on, iii. 194 



Do., with Additions to the Scottish 

 Lists, iii. 351 

 Spiders of the West of Scotland, iii. 170 

 Spider-crab, iii. 319 

 Spina Bifida, On, v. 268 

 Spinalis retroversus, Notes on, iv. 230 

 Spirifera trigonalis, Occurrence and dis- 

 tribution of, iii. 37 

 Spirorbis, Notes on, i. 101 

 Spizaetus, Crested, ii. 22 

 Sponge Spicules, Notes on, iii. 102 

 Spoonbill, iv. 247 

 Squid, iii. I 

 Squirrel, ii. 144; iii. 157, 189 ; iv. 142; 



v. 49, 123, 232 

 St. Abb's Head and its Bird Life, v. no 

 Star- fishes, Abnormalities in,, i. 41 

 Starling, i. 291 ; ii. 4, 98, 161, 184 ; iii. 

 66. 163, 240, 264; iv. 60, 161, 240, 

 308; v. 56, 117, 139 

 Red-winged, i. 146 ; ii. 281 



Stenotheca, Notes on, ii. 223 



Stewart, Alexander Bannatyne, Death 



of, v. 2 

 Stilt, Black- winged, ii. 162, 285 ; iv. 



66 

 Sting-ray, Spine of, iii. 4 



Stint, Little, ii. 4, 57 ; iii 59, 70 ; iv. 



248 

 Temminck's, ii. 164 

 Stirlingshire, Birds of, i. 1 73 

 Stoat, ii. 141; iii. 158, 18S; v. 121, 



230 

 Stonechat, i 281 ; ii. 90, 161 ; iii. 63, 



163, 236, 262 ; iv. 15, 56, 237 ; v. 



135 

 Stone Hammer from Stobcross, ii. 



335 

 Stork, White, iv. 247 

 Sturgeon, i. 186 



Succinea oblonga, Notes on, v. 267 

 Sulcoretepora, A new species of, iii. 



166, Plate 

 Summer Session, 1879, iv. 117 

 Do., 1880, v. 3 

 Do., 1881, v. 157 

 Sun-fish, Short, caught in the Firth of 



Clyde, Notes on, v. 176 

 Sussex, Spring rambles in, v. 254 

 Sutherlandshire, Birds breeding in, ii. 

 69 ; iii. 226 

 Do., Birds of the East of, v. 126 

 Do., Mammals and Reptiles of, ii. 

 138 

 Swallow, i. 296 ; ii. 87, 169 ; iii. 67, 163, 

 234, 262 ; iv. 61, 148, 241, 304 ; v. 



5i. 134 

 Bank, ii. 276 

 Barn, ii. 274 

 Chimney, ii. 270 

 Cliff, ii. 275 

 White-bellied, ii. 275 

 Swan, Bewick's, i. 310 ; ii. 150 ; iii. 59, 



71 ; iv. 318; v. 151 

 Black, iv. 68 

 Mute, iv. 254 

 Polish, iv. 254 

 Whistling, i. 309 

 Wild, ii. 149 ; iii. 71, 164 ; iv. 15, 202, 



317 



sp. ?, iv. 179 ; v. 60, 109 

 Swift, i. 297; ii. 85 ; iii. 68, 163, 262 ; 

 iv. 62, 148, 242, 305 ; v. 51, 134 



Alpine, i. 69 



Himalayan Tree, i. 69 



Spine-tailed, i. 68 

 Symmetry of Plants and Animals, 3 

 Synapta inhaerens, Notes on, i. 73 

 Synocladia, New species of, iii. 253 

 Synocladia and other Allied Forms, v. 

 30 



