73° 



INDEX 



Stomodaeum, Ctenophora, 146, 147 ; frog, 

 508; Metridium, 134, 135; Scyphozoa, 

 132. 



Stork, 601. 



Streptoneura, 258. 



Strigida, 591, 611. 



Strobilization, 131, 132, 163. 



Strongylidm, 173. 



Strongylocentrotus, 190, 202. 



Struthio, 589, 595; Struthioniformes, 589, 



595- 

 Sturgeon, 443, 453-454. 475- 

 Slumidcz, 591. 

 Stylochus, 157. 

 Stylonychia, 64. 

 Stylotella, 102. 

 Subcosta, 333. 

 Submentum, 313. 

 Submucosa, 481. 

 Subterrestrial, 7. 

 Subumbrella, 123. 

 Sucker, 443, 456, 475 ; of liver fluke, 157, 



158; tadpole, 508; tapeworm, 163. 

 Suctoria, 64, 65. 

 Snider., 667. 

 Sulci, 639. 

 Sunfish, 467. 

 Suprarenals, 428, 451. 

 Suprascapular, 495, 496. 

 Sus, 644, 671, 685. 

 Suspensory ligament, 412. 

 Swallow, 591, 615. 

 Swan, 590, 603, 631. 

 Swarming, of bees, 327. 

 Swifts, 555, 591, 613. 

 Swimmerets, 277, 278, 281. 

 Swordfish, 444. 

 Sycon, 96, 97, 99, 100. 

 Sycotypus, 258, 260, 261. 

 Sylviida, 591. 

 Sylvilagus, 658. 

 Symbranchidce, 444 ; Symbranchiformes, 



444; Symbranchii, 444. 

 Symmetry, bilateral, 15, 90, 167, 401; 



biradial, 145, 146 ; radial, 90. 

 Sympathetic nervous system, 503, 504 



(see nervous system). 

 Sym phyla, 311. 

 Syngamus, 173. 



Syngnalhida, 444, 465; Syngnathus, 465. 

 Syrinx, 585. 

 Syrphidce, 359. 



Syrrophns, 520. 

 Systemic heart, 266. 



Tabanidce, 358. 



Tadpoles, 509. 



Tccnia, 163, 166, 168. 



Tails, of birds, 617-618; of fish, 445, 446, 



447; of Rotifera, 181, 182. 

 Talorchestia, 296, 297. 

 Talpidw, 649. 



Tanager, 593 ; Tanagridce, 593. 

 Tanaidacea, 296, 297. 

 Tantilla, 539. 

 Tapeworm, 163, 166, 168. 

 Tapir, 644, 671, 672 ; Tapiridee, 671, 672 ; 



T a pirns, 644, 672. 

 Turdigrada, 384, 385. 

 Tarentola, 552. 

 Tarpon, 444, 458. 

 Tarsiidar, 662. 



Tarso-metatarsus, 580, 582. 

 Tarsus, 314, 315, 372, 497. 

 Tasmanian devil, 649. 

 Taste, 637 (see sense organs). 

 Tatusia, 643, 661. 

 Taxidea, 655. 

 Taxonomy, 26. 



Tayassu, 668; Tayassuidce, 667, 668. 

 Teat, 634. 



Teeth, 403, 678-680; carnassial, 652. 

 Tegmina, 334. 

 Teiida, 538. 

 Telea, 353. 



Tekostei, 443, 455-471, 694. °95- 

 Teleostomi, 432, 443, 452. 

 Telophase of mitosis, 15, 16. 

 Telosporidia, 52. 

 Telson, 277. 

 Tendon, 495. 



Tenebrio, 363; Tenebriouidcc, 363. 

 Tenrecs, 650. 

 Tentacles, of Amphioxus, 396; Brachiop- 



oda, 186; Bugnla, 184 ; Ctenophora,\^t; 



Gonionemus, 123; Hydra, 109, no; 



Loligo, 264, 265 ; Metridium, 134, 135 ; 



Obelia, 120, 121; sea cucumber, 205, 



206, 207; tunicates, 391. 

 Tentaculocysts, 131, 132. 

 Tenthredinida, 365. 

 Teratology, 26. 

 Terebella, 236. 

 Teredo, 262, 263, 264. 



