240 



Animal Microloyy 



Thionin, 20. 

 Thymol, 170, 177. 

 Thymus gland, 191, 212. 

 Thyroid gland, 212. 

 Tigroid substance, 182, 208. 

 Tilt of microtome knife, 40. 



Tissues and organs with methods of prepa- 

 ration, 190. 



Tissues, killing and fixing, 27 ; which crum- 

 ble in paraffin, 43; length of time for 

 staining, 56. 



Toluidin blue, 20. 



Toluol, 22. 



Toisson's solution, 100. 



Tongue, 200 ; papillae and f olliculi linguales, 

 200. 



Tonsil, 200. 



Tooth, sectioning decalcified, 79,200; devel- 

 opment of, 200; odontoblasts, 201. 



Tough objects, sectioning, 47. 



Trachea, 212. 



Tracts of medullated nerve fibers, 178. 



Transparent aquatic organisms, 180. 



Transparent larvae, 88. 



Trichina, 221, 222; examining alive, 222. 



Triplet lens, 138. 



Tube-length, 157. 



Tubercle bacilli, 110, 111. 



Turn-table, 4, 88. 



Typhoid, bacillus of, 111. 



Umbilicus, 211. 



Under-correction, 157. 



Unna, 182, 184. 



Ureter, 214. 



Urethra, 211, 214. 



Urinary organs, 213. 



Uriniferous tubules, epithelial cells of, 214. 



Uterus, 211; and placentation, 121. 



Vagina, 211. 

 Vas deferens, 211. 

 Valves of heart, 194. 

 Van Beneden, 120. 

 Van Giesen's stain, 176. 



Variation in thickness of paraffin sections, 

 47. 



Vascular system, double injection of, 84. 



Vein, 194. 



Vertebrata, 226. 



Vials, 4. 



Vision, conventional distance of, 144. 



Visual purple, 204. 



Volvox, 94. 



Von Ebner's fluid, 189. 



Vorticella, 215. 



Vulcanized fiber for celloidin mounts, 62. 



Walton, 30. 117, 215. 



Wash bottle, 4. 



Washing, 17. 



Watch-glass, Syracuse, 4. 



Water immersion lens, 152. 



Water method for affixing sections, 23. 



Water mites, 88. 



Wax plates for reconstruction, preparation 



Weigert, hematoxylin, 178 ; method for bac- 

 teria, 107. 



Weights and measures, table of equivalent, 



Well microtomes, 35. 



Wharton, jelly of, 197. 



White objects, orientation of, 43. 



White spots in paraffin, 38. 



Whitman, 118. 



Whole objects, mounting, 26, 87. 



Wire, copper, 1. 



Wollaston's camera lucida, 146. 



Worcester, 119, 167. 



Working distance, 157. 



Work-table, 157. 



Wright's stain for blood and for malarial 

 parasite, 102. 



Wrinkles in paraffin sections, 42, 46. 

 Writing on glass, ink for, 58 ; pencil for, 1, 42. 



Xylol, 13, 21, 38, 49; for removing paraffin, 56. 



Zenker's fluid, 120, 126; formula, 163. 

 Zeiss microscopes, 141, 144. 

 Zielil-Neelson, carbol-fuchsin, 109. 

 Zoology, material for a course in, 215. 



