INDEX. 395 



without destroying its life, vi. 80. Of different kinds infest 

 each species of fish, v. 153. Sea-worms make the shells 

 of fishes their food, v. 211. 



Worm (Blind), of the serpent kind, its description ; lies torpid 

 all winter, v. 375. 



Worm (Froth), an insect in that sort of substance on the 

 surface of plants ; description of it, vi. 37. 



Worm kind, general description of the earth-worm ; entirely 

 without brain, but with the heart near the head ; in what 

 manner taken ; its eggs ; nourishment ; keeps life in sepa- 

 rated parts, vi. 174?. 



Wrasse, the labrus of the prickly-finned thoracic kind ; des- 

 cription of this fish, v. 120. 



Wren, and golden-crowned wren, slender-billed birds of the 

 sparrow kind, iv. 255. Willow-wren, a wandering bird of 

 the sparrow kind, 257. The singing bird admired for the 

 loudness of its note, compared to the smallness of its body, 

 271. 



Wrinkles, whence those of the body and face proceed, ii. 62. 



Wry-neck, or cuckoo's attendant, a little bird, active in the 

 chase of the young cuckoo, iv. 212. 



Xiphias, or the sword-fish, of the prickly-finned apodal kind, 

 its description, v. 118. 



Yak, bushy-tailed bull of Tibet, described by Captain Turner, 

 ii. 239. 



Yellow-hammer, a small bird of the sparrow kind, iv. 255. 



Young people sometimes cease growing at fourteen or fif- 

 teen, i. 410. 



Zebra, the most beautiful but wildest animal ; a native of the 

 southern parts of Africa ; nothing exceeds the delicate re- 

 gularity of its colour ; description ; watchful and swift ; its 

 speed a proverb among Spaniards and Portuguese ; stands 

 better upon its legs than a horse ; in what countries found ; 

 the Portuguese pretend to have tamed, and sent four from 

 Africa to Lisbon, to draw the king's coach ; some sent to 

 Brasil could not be tamed; Merolla asserts, when tamed, 

 they are still as estimable for swiftness as beauty ; their noise 

 resembles the confused barking of a mastiff dog ; in two, 



