( 
Red-winged Crested Cuckoo, 249, 259 
Rhine, 279 
Rhine delta, 278 
Rhone valley, 279 
Ritigala, 237 
Robin (Magpie), 260 
Rocks (Ceylon), the oldest known, 
some formed fifteen million years 
ago, 114, 115 
Rocks (Crystalline), 106 
Rocks (Metamorphic), 96 
Roller, Broad-billed, 214, 215 
Roller (Indian), 214 
Rollers, 213, 214 
Rose-ringed Paroquet, 267, 269 
Roses, Mycrosiphum rose collected 
on, 72 
Rufous-bellied Hawk Eagle, 340, 343 
Sabaragamuwa, 211, 219 
Sabaragamuwa Province, 201 
Sahara, south of, 258, 280 
Salt-mud Waders, 297 
Sandpipers, 294 
Sand Plover breeds in Japan and 
Eastern China, 292 
Sand Plovers, 297 
Sandstone, 96 
Savage man in Ceylon a thousand 
centuries ago, 115 
Seale insects, 37 
Scandinavia, 274, 278, 280, 281 
Scavenger Vulture, 337 
Scillies, 278 
Scopimera Crabs, 309, 311 
Scops Owl, 329 
Scrapers (stone implements), 90, 98 
Screech Owls, 320 
Sedimentary beds, 112, 407 
Sedimentary rocks, 113, 408 
Serpent and Fish Eagles, 339 
Serpent Eagles, 348 
Shahin Falcon, 296, 373, 375 
Shank (Green), 293 
Shank, Little Green, 293, 29 
Shank (Red), 293 
Shells (Fossil), 407 
Shetlands, 279 
Shikra, 364 
Shore Crabs, 306 
Short-eared Owl, 323, 324 
Shoveller, 288 
Shoveller Duck, 297 
Shrikes, 280, 289 
Siam, 56, 129, 141, 152, 186, 200, 231, 
238 
rr 
( 
X1V 

Siberia, 81, 291 
Siberia, Eastern, 252 
Siberia, Northern, Pintailed Snipe | 
breeds in, 290 
Siberia, Southern, 407 
Siberia, Western, 315 
Siberian Tundras, 276 
Sigiriya, 376 
Sikkim, 175 
Silica in the history of man, 96 
Silicates (ferromagnesian), 106 
Sind, 231 
Sirigalla, 153 
) 
Sirkeer Cuckoo, 261, 264 
Skylark, 274, 278 
Sling stones, 91 
Small Ceylon Barbet, 210, 212 
Small Cuckoo, 248, 250 
Small Green-billed Malkoha, 260, 262 
Small White-throated Babbler, 256 
Smaller Whistling Teal, 288 
Smaller White Scavenger Vulture, 
337 
Snake, Cylindrophis maculatus, vivi- 
parous habit of, 314 
| Snakes, Ceylon, 396 
Snakes (Ceylon) in Colombo Museum, 
405 
Snipe, 290 
Snipe, advent of, 273 
Snipe, Painted, 297 
Snipe (Pintailed), 288, 291, 292, 296, 
297 
Snipe (Pintailed) breeds in Northern 
Siberia, 290 
Snippets, 294, 296 
| Socotra, 54 
| Sclutrean Period, 91 
Song Thrush, 274, 275 
Sooty Tern, 282 
| South Indian Hills, 237 
| South Indian Yellow-naped Wood- 
pecker, 198, 201 
Southern Indian Babbler, 258, 260 
Southern Province, 46, 54, 258 
Southern Red-whiskered Bulbul, 255 
Sparrow Hawk, 365 
Sparrow Hawks, 338, 368 
Spinel, 104 
Spinetail, Brown-necked, 236 
Spinetails, 235 
Spotted Billed Duck, 288 
Squirrels fond of toddy, 2 
Starlings, speed of flight, 281 
Stilt, Black-winged, 296 
Stint (Curlew), 276, 280, 297 
| Stint (Little), 291, 297 
| Stone 
Age, aborigines (Ceylon) 
living in, 89 
Stone Age cultures of Ceylon practised 
on general sites, 97, 120 
| Stone Age man, 96 
Stone Age peoples (Ceylon), manu- 
facture of materials, 90 
Stone Ages of Ceylon, outlines of, 85 
Stone Curlew, 276 
Stone tools of the hills (Ceylon), 90 
Stone tools of the lowlands, 94 
Stork, 273, 275 
Stork-billed Kingfisher, 221 
| Stork, White, 297 
| Stragglers, irregular birds, 274 
Suberial erosion in the Southern 
Province (Ceylon), 120 
| Sub-erag implements, 125 
Sudu-ganga (Matale), 191, 382, 383, 
384, 386, 391, 393, 395 
Sumatra, 39, 40, 41, 69, 184, 212, 256, 
380 
Swallow, 273, 275, 279, 280, 289, 293 
Swallow, a day migrant, 28] 
Swallow, migration cf, 273 
Swallows (English), 281 
