INDEX 



343 



Tectrices, 162 



Teleotype, 115 



Tensor patagii, 287 



Testicles, 69 



Testis or testicle, 69, 93, 322 



Thalcamenceiihalon, 259 



Thigh (femur), 175 



Thoracic (dorsal) vertebrre, 206 



Thorax, 93, 210 



Thyi-oid, 301 



Tibia, 94 



Times to slioot, («) time of year, {b) time 

 of day, 18 ; (c) weather, 19 



Tincaj, os, 329 



Tinea, («) flavifroutella, {h) tapetzella, 

 82 



Tiueidffi, 82 



Toes {(ligiti), number of, 187 ; didactyl, 

 tridactyl, tetradactyl, zygodactyl, posi- 

 tion of, 189 



Tomixim, 155 ; mandibular, 152 ; max- 

 illary, 153 



Tongue, 312 



Tonicity, 285 



Topography of a bird, 134 



Trabeculre," 224 



Trachea (windpipe), 74, 75 illustration, 

 298 



Tracts (pteryhu), 129 ; (1) spinal or dorsal 

 [pterijla spinalis), (2) humeral, (3) 

 femoral, (4) ventral, 130 ; (5) head, 

 (6) wing, (7) tail, (8) leg, 131 



Trapping birds, 7 



Tread (cicatricle), 327 



Trinomial nomenclature, 121 



Tympamim, 274 



Types of structure, («) typical, {b) sub- 

 typical, (c) aberrant, 114 ; [d) tele- 

 otypic, (e) prototypic, 115 



UXCINATUM, OS, 245 



Ureters, 317 



Urinary organs, 318 



Urogenital sinus, 317 



Uropygial gland (elffiodochon), 129 



Urosacrals, 218 



Urosteon, 214 



Valuation of characters, 112 



Vasa deferentia, 319 



Vascular capillary, 290 



Venous system, 290 



Venter, 140 



Ventral part of body, 138 



Ventriculus bulbosus, 314 



Vertebra, 203 



Vertebrarterial canal, 205 



Vertebrata, (a) aves, [b) reptilia, 92 



Vesiculfe seminales, 322 



Vexillum, 125 



Vibrissa^, 146 



Vision, 264 



Vitellus (yelk), 326 ; segmentation of, 



332 

 Vitreous humour, 272 

 Vivijiarous, 92 

 Vomer, 169, 237 



Wads, 8 



Wattles, 145 



Wet preparations, 72 



Windpipe (trachea), 74, 75 illustratioyi 



Wing-bones, mechanism of, 162 



Wing-coverts, 162 



Wings, 155 ; humerus, 157 ; cubit or 

 antebrachium, («) ulna, (b) radius, 

 olecranon, carpus, («) scapholunare, 

 (b) cuneiforme, metacarpus, 158 ; 

 length of, 168 



Wolffian bodies, 93, 318 



Xiphoid process, 213 



Yelk (vitellus), 326 ; (a) food, (b) germ, 

 327 



Zona pellucida, 326 



Zoological characters, 107 ; groups, 



class, order, family, genus, s^jecies, 



110 

 Zygoma, 230 

 Zygapophysis, 202 



THE END 



Pyintcd by R. & R. Clark, Edinburgh 



