446 



INDEX — GLOSSARY 



bachiensis, 167, 168; ambulacra of, 



166, 167; ambulacral areas, 166; 

 Aristotle's lantern, 168; blood of, 169; 

 blood vascular system of, 169; diges- 

 tive system of, 169; eye spot of, 167, 

 169; food of, 169; genital plate of, 



167, 169; growth of, 168; inter- 

 ambulacra of, 167, 168; madreporite 

 of, 167; nervous system of, 169; 

 ocular plate of, 167, 169; periproct 

 oi, 167 ; reproduction of, 169; respira- 

 tion of, 169; spines of, 7d5; teeth of, 

 169; tube-feet of, 167, 168, 168, 169; 

 water vascular system, 168. 



Stropheodonta, 190, 198; S. concava, iq8; 

 S. demissa, 188. 



Strophomena, 190, 196 ; 5. planumbona, 

 197- 



Strophomenids, 192. 



Sturgeons, 346; tail fin of, 344. 



Stylonurus, 313. 



Suborbital bones, in fishes, 346. 



Suckers, of cephalopods, 270; of echi- 

 noids, 168; of squids, 270. 



Suctoria, 3i9- 



Sugars, in vertebrate digestion, 332. 



Summer wood, 71. 



Sun-animalcules, 93. 



Supraclavicle bone, in fishes, 346. 



Supraorbital bone, in fishes, 346. 



Supratemporal bone, in fishes, 346. 



Surangular bone, in reptiles, 367. 



Sus, 397. 



Sussex man, 400. 



Sutures, facial, in trilobites, 286, 287, 

 2QS, 2q6 ; of Belemenites, 271 ; of 

 cephalopod shells, 262, 263, 264, 266, 

 267, 268. 



Swan, cervical vertebrae in, 326. 



Sweat-glands, 324. 



Swimming legs, in trilobites, 288. 



Swine, color of young, 20. 



Sycon, 102. 



Sycotypus, see Busy con. 



Symbiosis, 41. 



Sympathetic nervous system in mam- 

 mals, 334. 



Synangia, a type of pollen sacs, 64. 



Synthetic types, see generalized types. 



Synxiphosura, 311. 



Sypharopteroidea, 319. 



Syringopora, 129. 



Tabula (plu. tabulae), in Bryozoa, 178; 



in corals, 129, 133, 137, 138. 

 Tabulata, 136-138. 

 Tabulate corals, 113. 

 TcBtiia solium, 140. 

 Tseniodonta, 382 ; teeth of, 382. 

 Taeniodonts, the Taeniodonta. 

 Tail, see also caudal. 

 Tail fin, of crustaceans, 276, 276, 27Q. 

 Taonurus caiida-galli, 40. 

 Tape-worm, 140. 

 Tapirs, 392 ; color of the young, 20 ; 



extinction of, 376. 

 Tarsal bones, of birds, 369 ; of cat, 32s, 



328; of mammals, 323, 328, 383; of 



reptiles, 360, 362, 366, 367. 

 Tarsals, see tarsal bones. 

 Tarso-metatarsals, of birds, 370, 372. 

 Tarsus, the ankle, 327 ; see tarsal bones. 

 Tasmanian wolf, 378. 

 Taste, see sense organs under the various 



classes. 

 Taxaceae, 70. 

 Taxodium, 74 ; T. distichum miocenicum, 



74; distribution of, present and past, 



73- 

 Taxodont dentition, 223, 223. 

 Tectibranchs, 248. 

 Teeth, canine, 331 ; hinge, cause of, 220; 



incisor, 331 ; milk, 331 ; molar, 331 ; 



of brachiopod shells, 182, 183, 189, 



196,203; of cat, 331; of pelecypod 



shells, 20Q, 216, 223, 22Q ; of radula of 



gastropods, 236; permanent, 331; 



premolar, 331 ; sectorial, 331 ; two 



sets of, in cat, 331. 

 Teleostei, 347-348 ; examples of, 347- 



348, 348; geologic range of, 347. 

 Teleostomi, 344-348 ; air-bladder com- 

 pared to lung of the lung-fish, 343 ; 



born alive, 339 ; geologic range of, 344 ; 



hyostylic, 339 ; subdivision of, 345 ; 



tail fin of, 344. 

 Tellina, 220. 

 Telotremata, 189. 

 Telson, of crayfish, 275, 276; of Euryp- 



terus, 313 ; of the horseshoe crab, 277 ; 



of the lobster, 27Q. 

 Temperature, body, of birds, 369 ; of 



mammals (except the monotremes), 



373 ; of reptiles, 354 ; of the Mono- 



tremata, 377 ; of the Prototheria, 377. 



