INDEX OF SPECIES. 537 
Snub-nosed Cachalot, 30. Theraps irreqularis, 467. 
Solea scutum, 392. Tigrisoma leucolophum, 509. 
Solitaire, 373. Tinamous, 508, 517. 
Sparide, 386. Toad, 517. 
Sperm- Whale, osteology of the, 309-369. Tomistoma, 132, 133. 
Sperm- Whales, 30. schlegelii, 134, 135. 
Sphyrena forsteri, 389. Toothed Whales, 110-112. 
picuda, 389. Trachynotus fasciatus, 388, 434. 
Sphyraenide, 389. glaucoides, 434, 
Spindle-shaped Dolphin, 22. —— ovatus, 388. 
Spot-bellied Dolphin, 21. Trachurus boops, 431. 
Squamipinnes, 386. Trichidion approximans, 383, 423. 
Stanley Crane, 504, 509, 510. opercularis, 383, 424. 
Stegodon, 284. Trigla, 517. 
Steno, 17-21, 23, 24. Troglodytes, limbs of, compared with those of Simia, 
Stilt-Plover, 503, 512 note. 175-218. 
Struthio, 70, 74, 76. Tyntlastes, 441. 
Sun-Bittern, 502, 512. Umber, 515. 
Sus scrofa, 506. Umbrina analis, 387, 426. 
Symbranchide, 396. elongata, 387, 425. 
Symbranchus immaculatus, 396. nasus, 387, 426. 
marmoratus, 396. undulata, 427. 
Talegalla, 508, 515, 516. Upeneus grandisquamis, 383, 386, 420. 
Tantalus, 79. tetraspilus, 386, 420. 
Tarsius, 213, 214. Uria, 76. 
Temsacus, 151. Urolophus mundus, 397,491. 
Tetragonopterus eneus, 384, 394, 399, 406, 478. Urotrygon mundus, 383, 491. 
brevimanus, 394, 404. Vultur, 76. 
fasciatus, 393. Vultures, 72, 74,76, 79. 
gronovii, 384. Whalebone- Whales, 110. 
humilis, 394, 403. , accessory pelvic bones or cartilages of 364. 
microphthalmus, 394, 403. « Wonga,” 30. 
panamensis, 394, 404, 406. Xiphophorus gillii, 384, 485. 
petenensis, 394, 404. hellerii, 395, 404, 485. 
Tetrodon geometricus, 396, 489. Ziphiine, 114, 115. 
politus, 396, 489. Ziphioids, 91, 92, 111, 112. 
Thalassophryne, 436. Ziphius, 44. 
maculosa, 388, 436. cryptodon, vertebral formula of, 348. 
reticulata, 388, 437. Zygena tiburo, 396. 
END OF VOLUME VI. 
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PRINTED BY TAYLOR AND FRANCIS;\ RED LION COURT, FLEET STREET. 
