324 



ANIMAL LIFE 



Lady-fish, metamorphosis of (illus.), 

 98. 



Larva, 92; of the mosquito, 93; 

 of butterfly pupating (illus.), 94 ; 

 of the honey-bee, 152. 



Leaf -cutting ant mimicked by tree- 

 hoppers (illus.), 220. 



Lemur (illus.), 302. 



Lemur varius (illus.), 302. 



Lemurian realm, 302. 



Lepas, adult and larva (illus.), 195 ; 

 metamorphosis of (illus.), 101. 



Lerema accius, distribution of 

 (illus.), 273. 



Lernceocera (illus.), 188. 



Life cycle, 78. 



Life, communal, 168 ; duration of, 

 101 ; primitive, 21 ; processes, 

 21 ; social, 149. 



Light, influence of, on animals, 

 237. 



Lipeureus densus (illus.), 188. 



Littoral fauna, 306. 



Lizard, alligator (illus.), 204. 



Lizzia koellikeri, eye of (illus.), 

 238. 



Locust, post-embryonic develop- 

 ment of (illus.), 91. 



Locusts of Galapagos Islands 

 (illus.), 280. 



Louse, sucking (illus.), 188. 



Macropus rufus, 139. 



Mad Tom (illus.), 132. 



Male, 57. 



Mammals, care of young of, 268. 



Manatee (illus.), 277. 



Man-of-war, Portuguese (illus.), 



175. 



Mantis (illus.), 127. 

 Many-celled animal, 2. 

 Marine Protozoa, 15. 



Marks, recognition, 22, 129, 223. 



Medusae, 41. 



Megalops, 97. 



Melanerpes formicivorus bairdii, 

 feeding habit of (illus.), 128, 129. 



Membracidae mimicking Sauba 

 ant (illus.), 220. 



Mesoderm, 33. 



Metamorphosis, 90 ; of Albula vul- 

 pes (illus.), 98 ; of Anosia plex- 

 ippus (illus.), 92; of barnacle 

 (illus.), 101 ; of butterfly (illus.), 

 92; of crab (illus.), 97; of in- 

 sects, 90; of lady-fish (illus.), 

 98; of Lepas (illus.), 101; of 

 mosquito (illus.), 93 ; of sea-ur- 

 chin (illus.), 96; of sword-fish 

 (illus.), 99; of toad, 94, (illus.), 

 95 ; of Xiphias gladius (illus.), 

 99. 



Metazoa, 32. 



Metridium dianthus (illus.), 43. 



Micro-organism, 16. 



Migration of lemming, 118 ; of lo- 

 cust, 118. 



Mimickry, 218. 



Mind, 255. 



Mining-bee, nest of (illus.), 160. 



Molt, 91. 



Monarch butterfly (illus.), 219 ; 

 mimicked by Viceroy butterfly 

 (illus.), 219. 



Monogamy, 135. 



Mosquito, auditor organ of (illus.), 

 235 ; head of (illus.), 127 ; meta- 

 morphosis of (illus.), 93; young 

 stages of (illus.), 147. 



Moth, cankerworm (illus.), 59. 



Mountains as barriers to distribu- 

 tion, 293. 



Mouth parts of mosquito (illus.), 

 127. 



