700 



INDEX. 



Sirembo, 2442. 



Siren, 2(55, 269, 280, 290, 

 293, 3072. 



Sirenia, 549. 



Sirenoidei. 259. 



Siskin, 4781. 



Sisor, 2221. 



Sistrurus, 3721. 



Sitana, 3502. 



Sitta, 4771. 



Sivatherium, 5901. 



Skates, 154i. 



Skate-toothed dog, 1512 



Skimmer, 468 1. 



Skip-jack, 239. 



Skipper, 23 li. 



Skittle-dog, 1522. 



Skua, great, pomato- 

 rhine, 4672. 



Skull, _4mphibia, 267 ; 

 birds, 426 ; Amia, 

 182 ; Chelonia, 406, 

 407 ; Crocodjlia, 374, 

 375. 376 ; Dipnoi, 

 250 ; Elasmobranchii 

 126, 127, 238; Gym- 

 nophiona, 301, 302; 

 lizards, 338, 5^7 ; 

 Mammalia, 484 ; 



Marsipobranchii, 98- 

 103; Polvpterus, 172, 

 173; Reptilia, 318; 

 snakes, 357, 358 ; 

 Teleostei, 189. 



Skulpin, 2411. 



Skunk, 6241. 



Slip, 2402. 



Sloths, 5442 ; ground, 

 5451. 



Slow-worm, 352i. 



Smaris, 2361. 



Smear-dab, 2402. 



Smelt, 2161. 



Smew, 4631. 



Smiliogaster, 2202. 



Smilocfon, 619i. 



Sminthopsis, 539i. 



Smmtlnis, 6342. 



Smith-frog, 3111. 



Smolt, 2152. 



Smooth-hound, 1512. 



Smooth-snake, 3672. 



Snake- bird, 4612. 



Snakes, burrowing, 3651 

 3661 . rattle, 3712, 

 3721. 



Snake-eating cobra, 

 3702. 



Snapper, 2352. 



Snapping turtle, 413i. 



Snipe-fish, 229i. 



Snipe, jack, 4671. 



Soft-shelled turtle, 415. 



Solan ffoose, 4612. 



Sole, lifttle, 2402 ; band- 

 ed, lemou, 2402. 



Solea, 2402. 



Solenocytes, 28, 29. 



Solenodon, 6402. 



Solenognathus, 2301. 



Solenorhynclius, 2292. 



Solenostonia, 210, 2292. 



Soleotalpa, 2402. 



Solitaire, 469i. 



Somactids, 54. 



Somateria, 463i. 



Somatic nerves, 76. 



Somites of Amphioxus 

 34 ; of head, 73. 



Somniosus. 1522. 



Sorex, 6392. 



Soricidens, 2361. 



Soriculus, 6401. 



Sorubim, 2212. 



Sotalia, 564i. 



Souslik, 6322. 



Spade-foot, 3102. 



Spalacopus. 635i. 



Spalacotherium, 540i. 



Spalax, 6342. 



Sparagmites, 315i. 



Sparassodontidae, 5402. 



Sparisoma, 238i. 



Sparnodus, 236'. 



Sparrow, house-, tree-, 

 4781 ; hedge-, 4752. 



Sparus, 202. 



Spathiurus, 182. 



Spathoscalabotes, 3492. 



Spatularia, 163, 164, 

 168, 169. 



Spatulariidae, 170. 



Spawning, Amphioxus, 

 .30 ; fishes, 91. 



Spear-dog, 152^. 



Spelerpes, 226, 293, 

 296, 305. 



Spermaceti, 562i. 



Spermatophores, Am- 

 phibia, 296. 



Spermophilus, 6322. 



Sperm-wliale, 5621. 



Sphaerodactylus. 3492. 



Sphaerodon, 236i. 



Sphagebranchus, 223i, 

 2251. 



Sphargis, 4122. 



Sphenacanthus, 1511. 



Sphenisciformes, 4602. 



Spheniscus, 4602. 



Sphenodon, 317, 318, 

 320, 321, 334. 



Sphenoidal, 60. 



Sphenophryne, 312i. 



Sphingurus, 6352. 



Sphvraena, 197, 2312. 



Sphyrna, 133, 134, 1512. 



Spicara, 236i. 



Spilotes, 3681. 



Spina sternalis, 432. 



Spinal cord, birds, 435. 



Spinal nerves, 47. 



Spinal accessory nerve, 

 321 ; snakes, *362. 



Spinax, 121, 1522. 



Spines, Elasmobranchii, 

 122. 



Spinivomer, 2242. 



Spino-occipital nerves, 

 I 73. 



Spiny-rayed fish, 233i. 

 I Spiracle, 48, 66 ; Am- 

 phibia, 278 ; Cetacea, 

 554 ; Elasmobranchii, 

 120 ; tadpole, 299. 



Spiral valve, 34; Dionoi, 

 252. 



Splanchnocoele, 40. 



Spleen, Amphibia, 290 ; 

 birds, 442 ; Dipnoi, 

 252 ; Mammalia, 512 ; 

 Reptilia, 327. 



S]ioonbill, 4612. 



Sprat, 2142. 



Spring-bok,'591i. 



Spur-dog, 1522. 



Spy-slange, 3702. 



Squali, 150. 



Squahobarbus, 2201. 



Squalodon, 5622. 



Squalorajidae, 158. 

 ; Squahis, 1521. 



Squamata, 334. 



Squatina, 125, 126, 153. 



Squirrel, common, flying 

 ground, spinv, 6322. 



Stagonolepis, 372, 381. 



Stapes, 267, 498. 



Star-gazer, 2432. 



Starling,Amencan,478i ; 

 rose-coloured, 4772. 



Staurotypus, 413'. 



Steatomys, 634i. 



Steatornis, 4722. 



Stegocephali, 3132. 



Stegodon, 572'. 



Stegonotus, 368i. 



