422 



INDEX AND GLOSSARY 



Trich'ooyst {Or. hair sac), Slipper 

 Animalcule, 13. 



Tri'cliome {Gr. a growth of hair), 

 Fern, 329 ; Rockweed, 292. 



Turgescence, Seeds, 342. 



Twining, Stems, 356. 



Typh'losole {Gr. blind tube), Earth- 

 worm, 130 ; Mussel, 199. 



U 



Um'bo {L. a knob), Mussel, 191. 



Unicellular Animals, 3 ; Plants, 28. 



Unio (L. one), 189. See Fresh-water 

 Mussel. 



Urino-genital system. Frog, 234. 



U'triole (i. a little leathern bag), pri- 

 mordial, Water Silk, B6. 



V 



Vacuole, Water Silk, 66 ; Yeast, 30 ; 



contractile, Proteus Animalcule, 8 ; 



Slipper Animalcule, 12. 

 Vauche'kia (L. from Vaucher, a Swiss 



student of fresh-water algte), 267. 



See Green Felt. 

 Veins, Fern, 381 ; Frog, 238. 

 Ve'na ca'va, pi. venae cavse (i. vein, 



hollow). Frog, 238. 

 Venation, Leaves, 364. 

 Ventral ganglia. Earthworm, 132; 



nerve-cord, Earthworm, 132. 

 Ventricle of heart. Frog, 287, 244 ; 



Lobster, 167 ; Mussel, 199. 

 Ventricles of brain. Frog, 248, 249. 

 Vernation, Buds, 361. 

 Ver'tebra, pi. vertebras {L. to turn 



about). Frog, 210. 

 Vocal cords. Frog, 233 ; sac, Frog, 



229, 233. 



Vomerine teeth. Frog, 227. 

 Vorticel'la (Z. a little vortex), 18. 

 See Bell Animalcule. 



W 



Water vascular system, Stai-fish, 109. 



Water Silk, 51 ; assimilation, 58 ; 

 cell formation, 60; formation of 

 starch, 68 ; structure, 55 ; zygo- 

 spores, 67. 



Wood, Fern, 330; Stems, 351; pa- 

 renchyma, Fern, 331. 



Sy'lem ((?»■. wood). Fern, 330; Stem, 

 352. 



Y 



Yeast, 28 ; budding, 88 ; chemical 

 reaction of iJuid, 86 ; effect of fil- 

 tered, 37; effect of food supply 

 upon growth, 31 ; eff-ect of light 

 upon growth, 33 ; effect of tem- 

 perature upon growth, 33 ; endoge- 

 nous spore formation, 38; forma- 

 tion of alcohol, 36 ; gemmation, 38 ; 

 nature of gas given off by growing, 

 34 ; nucleus, 30 ; temperature dur- 

 ing growth, 36. 



Zoogonid'ium, pi. zoogonidia {Or. 



animal, a small seed), Green Felt, 



271. 

 Zo'oid {Or. animal, form), Hydroid, 



91. 

 Zo'ospore {Or. animal, seed). Green 



Felt, 271 ; Green Slime, 44. 

 Zy'gospore {Or. yoke, seed), Water 



Silk, 57. 



THE END 



