326 
Secretary-bird, 129, 
271. 
Sedge-warblers, 107. 
Seebohm’sclassification, 
255. 
Selasphorus, 295. 
Selenidera, 297. 
Seleucides, 281. 
Semioptera, 282. 
Sense of touch, 219. 
, organs of, 217. 
Sericornis, 287. 
Sericossypha, 284. 
Sericulus, 282. 
Seriema, 44, 46. 
Serilophus, 293. 
Serinus, 285. 
Serpentarii, 
301. 
Serphophaga, 291. 
Setophaqga, 285. 
Shag, 24. 
Shapes of eggs, 228. 
of nests, 231. 
Sharp-bills; 262. 
Sheath-bills, 59, 61, 
275. 
Shoe-bill, 38, 39, 272. 
Shoulder-girdle, 188. 
Shrikes, 119, 262. 
Sialia, 288. 
Sibia, 288. 
Sigmodus, 287. 
Simorhynchide, 277, 
305. 
Simorhynchus, 305. 
Singing-organ, 211. 
Sinus rhomboidalis, 
219. 
Siphia, 290. 
Siptornis, 292. 
Sirystes, 291. 
Sisopygis, 290. 
Sisura, 290. 
Sitagra, 283. 
Sitta, 286. 
cesia, 97, 98. 
Sittella, 286. 
Sittine, 286. 
Sittiparus, 289. 
Sittosomus, 292. 
Siurus, 285. 

269, 270, 


ALPHABETICAL INDEX. 
Siva, 289. 
Size of eggs, 228. 
Skeleton, internal, 
167. 
of the leg, 196. 
— of. lower jaw, 
186. 
—— of pinion, 192. 
— of wing, 190. 
Skimmers, 30, 276. 
Skin structure, 135. 
of tarsus and 
digits, 162. 
Skuas, 30, 276. 
Skull, 179. 
Smaragdochrysis, 295. 
Smicrornis, 290, 
Smilorhis, 297. 
Smnithornis, 290. 
Snipes, 53, 275. 
Soft-plumed 
Cuckoos, 268. 
Solan Goose, 25. 
Solitaire, 64, 238. 
Somateria, 305. 
South-African subre- 
gion, Birds of, 248. 
Sparrow, 105. 
Sparrow-hawk, 123. 
Spathura, 295. 
Spatula, 505. 
Speleornis, 288. 
Speotyto, 301. 
Spermestes, 283. 
Spermophila, 284. 
Spermospiza, 283. 
Sphecotheres, 282. 
Spheniscus, 306. 
Sphenocichla, 288. 
Spheneacus, 287. 
Sphenoproctus, 294, 
Sphenostoma, 286. 
Sphenura, 287. 
Sphyropicus, 297. 
Spilocorydon, 285. 
Spiloptila, 287. 
Spilornis, 300. 
Spinal column, 169. 
cord, 219. 
Spindalis, 284. 
Spiza, 285. 
Spizaetus, 800. 



Spizalauda, 285. 
Spizella, 285. 
Spiziapteryx, 300. 
Spiziastur, 300. 
Spiziaus, 289. 
Spizocorys, 285. 
Spleen, 209. 
Spodiopsar, 282. 
Spodiornis, 285. 
Spoonbill, 49, 51, 273. 
Sporadinus, 294. 
Sporeginthus, 285. 
Sporopipes, 283. 
Spreo, 282. 
Spurious wing, 154. 
Spurs, 164. 
Stachyridopsis, 289. 
Stachyris, 289. 
Stactocichla, 289. 
Stactolema, 297. 
Staganopleura, 283. 
Stalkers, 68. 
Staphidia, 289. 
Starlings, 111, 261. 
Starnenas, 298. 
Steatornis, 295. 
caripensis, 122, 
23. 
syrinx of, 214. 
Steatornithide, 265, 
295. 
Steganolema, 303. 
Steganopodes, 272, 301. 
Steganura, 288. 
Stelgidopteryx, 290. 
Stelleria, 305. 
Stellula, 295. 
Stenostira, 290. 
Stephanophorus, 288. 
Stercorariine, 304. 
Stercorarius, 304. 
catarrhactes, 30. 
Sterna, 304. 
—— fluviatilis, 29, 30. 
macrura, 29, 30. 
Sternal ribs, 176. 
Sternide, 276, 304. 
Sternine, 804. 
Sternoclyta, 294. 
Sternum, 177. 
Stictoptera, 283. 
Stictospiza, 283. 




