508 



Index 



Vertebrates, nerve -inusclc relation, 

 115 

 segmentation, 110 

 strncture, 108, 110 

 see Aniphi])ians, Aniphioxus, 

 Balanoglossus, Cladosclache, 

 Cyclostonics, I'^volution, .la])- 

 anese pjoldfish, Lungfish, 

 Tnnicates 



A^i^ceroj Initterflj, 342; ill. 340 



Vireo, see Red-eyed 



Virus, filterable, 481 



Vitalism, 278 et seq., 479 



Vital principle, 188, 278, 283 



A'itamines, 293 



Volvocaceae, 95 



Volvox, structure, reproduction, 

 97-8 



Volcanic, see Dust 



Voles, see Mice 



Vulture, fossil, 135 



W 



Wagner, 252 



Walking st^ck insect, 337; ill. 336 

 Wallace, 155, 235, 330, 340 

 Warning, see Color 

 Wasps, see Mimicry 

 Wasp, solitary, see Ammophila 

 Wassermann, see Syphilis 

 Waste products, elimination, 322 

 Water, tastes, odors, 378 

 Water bottles, construction, ill. 



368 

 Water-cress, 382; influence of en- 

 vironment, 222 

 Water supplies, examination, 377, 



477 

 Water-weed, 382 

 Water-works, Boston, Brooklyn, 



377 

 Waters, inland, cyclic changes, 379 

 et seq. 

 food relation, plants and ani- 

 mals, 383 

 Watson, 320 



Weasel, distribution, 174; ill. 173 

 Web-footed chicken, 240 

 Weevil, sugar cane, 407 

 Weismann, 200, 202, 478; experi- 

 ments on mice, 244-5 

 Werber, 194, 227 

 Whales, and squids, 358 

 migration, 360 

 stomach contents, 377 

 use, 434-5 

 see Whalebone 

 Whalebone, 372-3; ill. 373 



Wheel animalcule, see Rotifer 



Whipple, 378 



Whitefish, 426 



Whitman, 314 



Whitney, 232-3 



Whooping cough, see Imnnmity 



Wilder, 228 



Wild pigeon, extinct, 420 



William and Mary 's College, 49 



Williams, 444 



Wilkes exploring expedition, 38, 39, 



54, 60, 349 

 Willey, 88 



Wilson, Alexander, account of pas- 

 senger pigeon, 23-4 

 acquaintance with Bartram and 



Lawson, 22 

 "American Ornithology," 22, 



25 

 birthplace, 22 

 death, 22-3 

 early life, 22 



emigration to America, 22 

 lines to the bluebird, 24 

 meeting with Audubon, 19 

 travels, 22 

 ill. 21 



see ' ' Kentucky Warbler, ' ' 

 Wilson, E. B., 88 

 Wilson E. H., 68 

 Winnemucca, see Lake 

 Wings, sec Birds 

 Winter eggs, 382; see Sex cycle 

 Wisconsin Natural History and 



Geological Survey, 377 

 Wistar, 33, 84 

 Wistar Institute, 74; established, 



84; work, 84-6 

 Wolf, see Giant 

 Wolff, 189 

 Wolverine, distribution, 174; ill., 



170 

 Wolves and antelope, 421 

 deer, 161 

 damage, 393 

 destruction, 400 

 marsupials, 186 

 transport, 155 

 ill. 401 



see Gray, Rabies 

 Woodchuck, distribution, 168, 174; 

 ill. 172 

 see Plague 

 Woodland, caribou, distribution, 



174 

 Woodruff, 200 



Woods Hole, see Marine Biological 

 Laboratory 



