" Sitta frontalis. 
Sitta frontalis 1889, 416. 
— himalayensis 1868, 26. 
— krüperi 1871, 459. 1875, 273, 
274. 1880, 272. 
— leucopsis 1868, 26. 
— neumajeri 1880, 272. 1884, 116. 
— rupicola 1880, 258. 272. 
— syriaca 1873, 345. 371.387. 1875, 
98. 179. 272. 274. 1876, 177. 
1879, 387. 1880, 272. 
— uralensis 1868, 336. 339. 1869, 
124. 1871, 130. 238. 299. 1872, 
353. 1873, 325. 1885, 199. 
1893, 157. 
— villosa 1886, 540. 
— whiteheadi 1884, 442. 1885, 101. 
-112. 213. 
Sittace 1873, 33, 1881, 2. 10. 264. 
— auricollis 1881, 265. 270. 
— azarae 1881, 265. 267. 
— canicollis 1881, 346. 
— eanade 1881, 267. 1891, Tab. 
2. 
caerulea 1881, 265. 266. 267. 
chlorogenys 1881, 339. 
chloroptera 1881, 265. 267. 
chrysotorques 1881, 270, 
coccinea 1881, 267. 
couloni 1881, 265. 270. 
euops 1881, 275. 
evops 1874, 164. 
glauca 1881, 266. 
hahni 1881, 265. 271. 
hyacinthina 1881, 265. 
illigeri 1881, 265. 269. 270. 397. 
lafresnayi 1881, 265. 269. 
learı 1881, 265. 
lepida 1881, 339. 
macao 1869, 364. 
militaris 1869, 364. 1881, 265. 
268. 
modesta 1881, 265. 270. 
nobilis 1881, 265. 271. 
petzii 1881, 283. 
primoli 1881, 270. 
severa 1879, 212. 
268. 
spixi 1881, 265. 266. 
tricolor 1881, 265. 268. 269. 
Sittacinae 1872, 97. 1881,55. 
Sittasomus 1873, 395. 
— chapadensis 1892, 229, 
— erithacus 1874, 87. 1887, 132. 
1892, 229. 
— olivaceus 1874, 87. 
— sylvioides 1869, 304. 
Sittella 1891, 401. 
'— albifrons 1886, 438. 
Sittidae 1880, 414 1891, 21. 
Eee 
kasllalbl 
1881, 265. 
231 
Speculipastor bicolor. 
Sittinae1872,109. 1874,182. 1882, 
372. 
Siurus naevius 1884, 411. 1885, 182, 
— — notabilis 1884, 410, 
Siva sordidior 1889, 380. 387. 
— strigula 1868, 33. 
Smilorhis kilimensis 1889, 340. 
Smithornis rufolaterulis 1891, 383. 
Solenoglossus 1881, 34. 
— zeylandicus 1881, 34. 35. 
Somateria 1885, 148, 1890, 220. 
— dispar 1872, 308. 1878, 120. 
— dresseri 1872, 240. 1885, 148. 
— mollissima 1868, 44. 1869, 46. 
97. 347. 1871, 10. 88. 222. 1872, 
122. 372. 383. 1873, 13. 420. 
1875, 454. 1876, 11. 1877, 
338. 1878, 433. 1880, 92. 404. 
1881, 211. 294. 1883, 73. 1884, 
50. 1885, 206. 422. 1886, 389. 
1887, 187. 268. 607. 1888, 561. 
1889, 146. 151. 153. 1890, 9. 
39. 83. 220. 234 ff. 1891, 170. 
194. 1892, 251. 1893, 152. 
— nigrum 1883, 258. 
— spectabilis 1369, 97. 348. 394. 
1871, 88. 98. 101. 105. 1872, 
122. 128. 1873, 13. 422. 1885, 
192. 1886, 399. 1887, 85. 86. 
1889, 153. 1890, 83, 220. 
235. 
— stelleri 1879, 216. 1885, 207. 
1890, 9. 
— nigra 1885, 192, 
— thulensis 1871, 88. 98. 101. 105. 
Sorella 1881, 418. 1883, 244. 
— emini 1880, 211. 325. 1881, 418. 
1885, 136. 1887, 42. 72. 
Sparganura sappho 1891, 117. 
Sparvius melanoleucus 1887, 27. 
— semitorquatus 1887, 27. 
— superciliaris 1887, 127. 
Spatherodia 1877, 157. 
Spatula 1885, 146. 
— capensis 1876, 294. 
— clypeata 1869, 321. 378. 1870, 
182. 1871, 21. 148. 1873, 409. 
417. 419. 1874, 54. 314. 402, 
1875, 379. 381. 1877, 337. 1878, 
162. 190. 1879, 128. 1880, 276. 
1881, 190. 1885, 96. 146. 191. 
206. 334. 404. 1886, 134. 376. 
1887, 183. 184. 267. 598. 1888, 
296. 555. 1889, 436. 1893, 104. 
114. 
— platalea 1887, 124. 1891, 125. 
— rhynchotis 1870, 358, 
— variegata 1870, 358. 1874, 202. 
Speeulipastor bicolor 1879, 281. 300. 
324. 349. 1885, 132. 1886, 616. 
