INDEX 



Tadpole, A 126, 134. 



Tanner, Dr., H 138. 



Tapeworm, A 49. 



Tarantula, A 94. 



Taste, H no, 143, 146. 



Tear gland, H 149. 



Teeth, H 88, 98, 99, in; of frog, 



A 130. 



Teleutospores, 192. 



Temperature, H 21; nerves of, H 142, 

 146. 



Tendon, H 41. 



Tendril, P 101. 



Terrapin, A 143, 144. 



Thallophyte, P 181, 184. 



Thallus, P 184, 197. 



Thompson, Sir Henry, on smoking, 

 H 87. 



Thoracic duct, H 64, 65, 105. 



Thorns, P 101. 



Thought questions, H 20, 27, 79, 107, 

 109, 116. 



Thyrse, P 160. 



Thyroid gland, H 97. 



Tillandsia, p no. 



Timber, decay of, p 195. 



Tissue, H 7, 10, p 60, 62. 



Toad, A 137. 



Toadstool, P 194. 



Tobacco, and heart, H 67; and lungs", 

 H 86; and taste, H 148; when enjoy- 

 able, H 87. 



Tortoise, A 140, 143, 144. 



Torus, P 134, 169. 



Touch, H 145, A 119. 



Toxin, H 160, 161. 



Toyi Niku, Madame, quoted, H 141. 



Trachea, H 74. 



Tracheid, P 65. 



Transpiration, p 98, 103. 



Trap-door spider, A 94. 



Tube feet, A 35. 



Tuberculosis, H 5, 160. 



Tumble bug, A 90, 91. 



Turtle, A 140, 143, 144. 



Twiners, p 129, 131. 



Typhoid fever, H 159. 



Umbel, P 159. 

 Umbo, A 98. 

 Undergrowth, p 12 

 Ungulate, A 212. 

 Urea, H 94. 

 Uric acid, H 114. 

 Urinary tubule, 



Vacuole, An, 12, 14. 



Valve, P 164, H 51, 53, 57. 



Vampire, A 203. 



Variation, A 147, p 2. 



Variety, A 8. 



Vaso-motor nerves, H 23, 68. 



Vaucheria, p 186. 



Vegetables, H 95, 112. 



Venomous snakes, A 143. 



Vent, A 42. 



Ventilation, H 71, 82, 83. 



Ventral, A 43. 



Ventricle, H 53. 



Vermes, A 9, 125. 



Vermiform appendix, H 4, 106. 



Vertebra, H 71, 82, 83. 



Vertebrates, A 9, 125. 



Vertebrate skeletons, A 218. 



Verticellate, P 84. 



Vestigial organs, H 106. 



Villi, H 104. 



Vinegar, H 94. 



Viscera, H 127; of bird, A 163. 



Vitreous humor, H 152. 



Voluntary act, H 122, 124. 



Warning sound, A 147. 



Wasps, digging, A 89. 



Water-pore, P 88. 



Waterworks, H 163. 



Weevil, A 90, 91, 96. 



Whale, A 208. 



Wheat rust, p 192. 



White corpuscles, H 59; origin of, 



H 61 ; work of, H 60, 161, 162. 

 White weed, or ox-eye daisy, P 155. 

 Whorled, p 84. 

 Willow mildew, p 190. 

 Wind travelers, P 173. 

 Wings, of grasshopper, A 67; of bird, 



A 153, 158. 

 Woodpecker, A 180. 

 Woody fiber, p 17. 

 Worms, A 42. 

 Wounds of plants, P 56. 

 Written exercises, H 15, 50, 116. 



Yeast plants, p 190, H 158. 

 Yellow fever, H 160. 

 Yellow spot, H 151. 



Zoology defined, A i. 

 Zoophytes, A 33. 

 nema, p 185. 

 pore, p 185, 189, r8i, 189. 



