ALPHABETICAL IXDEX. 



473 



richardsoni (Stercora- 



rius), 331. 

 richardsonii (Cataractes), 



331. 

 Richardson's Skua, 331. 

 ridibunda (Gavia), 209, 



211. 

 ridibunda phsenicopos 



(Gavia), 17(>. 

 ridibunda (Xema), 210. 

 ridibundum (Xema), 



210. 

 ridibundus (Chroeocepha- 



lus), 211. 

 ridibundus fChroicoce- 



phalus), 210, 211. 

 ridibundua (Chroocepha- 



lus), 211. 

 ridibundus (Hydroco- 



leeus), 211. 

 ridibundus (Larus), 169, 



171, 195, 204, 207, 



211,212,240,457. 

 ridibundus minor(Larus), 



210. 

 ridibundus (Xema), 209. 

 riga (Larus), 307. 

 risoria (Sterna), 27. 

 Rissa. 161, 305. 

 rissa (Laroides), 307. 

 rissa (Larus), 305. 

 rodgersi (Fulmarus), 424, 



427, 428. 

 rosea (Rhodostethia), 



163, 167. 

 rosea (Rossia), 167. 

 roseata (Sterna), 37. 

 Roseate Tern, 70, 72. 

 roseiventris (Gavia), 204. 

 roseiventrls (Larus), 



204. 

 roseus (Larus), 167. 

 Rossia, 167. 

 rossii (Larus), 167. 

 rossii (Prion), 436. 

 rossi (Rhodostethia), 



167. 

 rostrata (CEstrelata), 398, 



404. 

 rostrata (Procellaria), 



404. 

 rostrata (Rhantistes), 



404. 

 rousseaui (Anous), 139. 

 rubritarsi (Procellaria), 



402. 

 rubriveutris (Gelastes), 



230. 

 rufescens (Larus), 255. 

 Rygehopsalia, 152. 



VOL. XXV. 



Sabine's Gull, 163. 

 sabini (Gavia), 163. 

 sabinii (Chema), 163. 

 sabinii (Larus), 162. 

 sabinii (Xema), 161, 162. 

 salvini (Tbalassogeron), 



450. 

 sancti-pauli (Sterna), 51. 

 sandaUata (Procellaria), 



413. 

 sandaliata (Rhantistes), 



413. 

 sandvicensis (Actocheli- 



dou) 78. 

 sandvicensis (Sterna), 75. 

 sandvicensis acuflavida 



(Sterna), 77. 

 Sandwich Tern, 75. 

 sandwiehensis (.tEstre- 



lata), 407. 

 saundersi (Chroicocepha- 



lus), 184. 

 saundersi (Larus), 170, 



183, 184. 

 saundersi (Sterna), 43, 



112, 120,121,457. 

 scalaris (CEstrelata), 399, 



416. 

 scapulata (Thalassidro- 



ma), 348, 353. 

 schillingi (Sterna), .34. 

 schilling! (Sylochelidon), 



35. 

 schimperi (Chroicoce- 



phalus), 191. 

 schimperi (Larus), 183. 

 schistisagus (Larus), 172, 



258, 259, 270. 

 schleepi (Lestris), 330. 

 scopulinus (Larus), 171, 



238,239. 

 scopulinus (Lestris), 238. 

 scopulinus major (Larus), 



236. 

 scopulinus, var. major 



(Larus), 235. 

 scoresbii (Larus), 299. 

 scoresbii (Leucophaeus), 



299, 300. 

 Sea SvFallow, Greater, 



54. 

 Sea Swallow, Lesser, 



17. 

 Seena, 4, 37. 

 seeua (Sterna), 37. 

 seena (Sylochelidon), 38. 

 segethi (Oceanitis), 366. 

 segethi (Thalassidroma), 



366. 

 sellovii (Pliaetu.sa), 130. 

 semi-alba (.Sterna), 149. 



senegalensis (Hydroce- 



cropis), 57. 

 senegalensis (Sterna), 57, 



64, 69. 

 senex (Anous), 139, 144, 



146. 

 senex (Sterna), 137. 

 septentrionalis (Rissa), 



283. 

 sericea (CEstrelata), 401. 

 sericeus (Adamastor), 



401. 

 sericeus (PufBnus), 401. 

 serrana (Gavia), 189. 

 serranus (Ohroicocepha- 



lus), 191. 

 serranus (Larus), 170, 



188, 189, 201. 

 serrata (Haliplana), 108. 

 serrata (Sterna), 108, 109. 

 serratus (Onychoprion), 



108, 109. 

 Shearwater, 369,376,403. 

 Shearwater, Greater, 376. 

 Shearwater, Mans, 376, 



378. 

 Shearwater, var. A, 373. 

 Silvery Gull, 252. 

 similis (Hydrocecropis), 



12. 

 similis (Hydrochelidon), 



13. 

 similis (Procellaria), 431. 

 similis (Sterna), 11, 15. 

 Simple Tern, 23, 106. 

 simples (Sterna), 23. 

 simplex (Viralva), 23. 

 sinensis (Sterna), 4.3, 113. 

 sinensis (Sternula), 114. 

 sinensis (Viralva), 114. 

 Skimmer, Black, 154, 



156. 

 skua antarcticus (Bupha- 



gus), 320. 

 Skua, ButFon's, 336. 

 skua (Buphagus), 316. 



317. 

 skua (Cataracta), 315. 

 skua (Cataractes), 316. 

 skua (Cutharacta), 315. 

 Skua, Common, 316. 

 Skua Gull, 315. 

 skua ( Lestris), 315. 

 skua (Megalestris), 317. 

 Skua, Pomerine, 324. 

 Skua. Richardson's, 331. 

 skua (Stercorarius), 316, 



317. 

 smithi (Procellaria), 394. 

 smithsonianus (Larus), 



263. 



