INDEX. 309 



Lobster, very voracious, though without warmth in its body, 

 or red blood in its veins ; whatever it seizes upon, and has 

 life, perishes, however well defended ; they devour each 

 other, and, in some measure, eat themselves; changing 

 their shell and stomach every year, the old stomach is the 

 first morsel to glut the new; at first sight, the head may be 

 mistaken for the tail; its description; the food of the 

 young, the moulting season ; how they change their shells ; 

 many die under this operation ; speedy growth of the new 

 shell, and of itself after the change ; the claws of unequal 

 magnitude, and why ; at certain seasons they never meet 

 without an engagement ; wonders this extraordinary crea- 

 ture offers to imagination ; are endowed with a vital princi- 

 ple, that furnishes out such limbs as have been cut away ; 

 varieties of this animal with differences in the claws, little 

 in the habits or conformation ; the shell black when taken, 

 but turns red by boiling ; common way of taking the lob- 

 ster, v. 159. 



Locust, the great brown locust seen in several parts of Eng- 

 land in 1748 ; in some southern kingdoms they are still for- 

 midable ; description of this insect ; in what manner they take 

 the field ; their devastations ; are still more noxious when 

 dead ; instance of it ; account of their devastations in Rus- 

 sia, Poland, Lithuania, and Barbary ; transformations ; eaten 

 by the natives in many kingdoms of the East, and caught 

 in small nets for that purpose ; their taste ; are considered 

 as a great delicacy in Tonquin, by the rich and the poor ; 

 must have been a common food with the Jews ; description 

 of the great West Indian Locust, the most formidable, vi. 22. 



Loir, the greater dormouse so called by M. Buffon, iii. 184. 



Longevity, persons remarkable for it, ii. 65. 



Lori, the longest of all animals, in proportion to its size ; de- 

 scription ; a native of the island of Ceylon, iii. 322. 



Loricaria, description of this fish, v. 125. 



Lories, a kind of parrot, iv. 223. 



Louse, its description ; whether distinguished by the parts of 

 generation into males and females, not yet discovered ; the 

 lousy disease frequent among the ancients, v. 410. 



Louse, (Wood) the description; of great use in medicine, v. 

 422. 



Luminous appearance of the waves in the night, the cause, i. 

 213. 



Lump-fish, its description ; flung into a pail of water, will 

 stick so close to the bottom, that on taking the fish by the 

 tail, the pail and several gallons of water may be lifted ; 

 their flesh, v. 106. 



Lungs, animals before birth make no use of their lungs, iii. 

 262. Caterpillars have eighteen lungs, and live several 

 days in the exhausted receiver of the air-pump, vi. 54. 



