INDEX. 



tripoli from Richmond, N. America, as seen 

 withtliemicroscope, engravingof, 30; Biliii, 

 30; cause of colour in trii^oli, 31; iu silex, 

 31 ; ejigraving of skeletons of, 31 ; in rock 

 salt, 32; in edible earths, 33; incombusti- 

 bility of, denied, 47. 



Inorganic ingredients in plants, necessity for, 

 401, note. 



Insect, organization, marvels of, 09; organiza- 

 tion, beauty of, 100; development of, 142; 

 metamorphoses, protection of, 143; life 

 active in every stage, 145. 



Insects, arrangement of, by Rennieand Reau- 

 mur in castes, 93; diversity in form of, 94; 

 varieties in size of, 05; power iu arresting 

 progress of man, 100; invade ulcers, 109, 

 note: numerous varieties injurious to 

 oak and pine tree, 109; results from bite 

 of, 109, note; occasion deformities in trees, 

 110; i-apidityof motions of. 111; strengtli of, 

 116; feet of, 110; tactile facultyin, 110; eyes 

 of, 120; power of distinguishing smells, 121; 

 organs of hearing in, 123; great digestive 

 j)owers of, 123; sucking apparatus of, 125; 

 heart of, 125; circulating apparatus of, 125; 

 respiratoi-y apparatus of, 126; aerial mouths 

 of, 127; ravages occasioned by, 130; eggs of, 

 130; sexuality of, 131; luminous, 132; meta- 

 morphoses of, 137; always wingless at birth, 

 141; three states, as seen in the great 

 Capricornis, engraving of, 143; intelligence 

 of, 150, 354; foresight of, 151; ideas of 

 strategy in, 159; maternal instinct in 

 protecting young, 161 ; maternal instinct 

 in pro-v-iding food for young, 162; insects 

 hunting, 168; services of, unappreciated 

 by man, 168; rapacious, 171; slave-makers 

 and warlike tribes of, 176; their thirst for 

 rapine, 176; upholsterer and carpenter, 197; 

 joiner, 202; clothcutters, 207; calcographer, 

 220; influence of, on the fecundation of 

 flowers, 497; engraving of, 499. 



Invisible world, the, 3. 



Irritability of plants, 481. 



Island-builders, 72. 



Isle of Phite, engraving of, 709. 



Ivory, vegetable, 509; immense quantity of, 

 in Asia, 605; mines of, in New Siberia, 605. 



Jenner on the mode in which the cuckoo 

 provides for the hatching of its eggs, 270. 



Jerdon, M., on imprisonment of birds liy 

 some species of Homrain, 261. 



JoruUo, upheav.al of, 030; engraving of, 630. 



Jupiter Serapis, temple of, gnawed by stone- 

 eating Modiolus, 83; rishig and sinking of, 

 doubted, 84, note; ruins of, engraving, 85. 



Jussieu, Barnard de, errors of, about coral 

 being a X)Iant, OS. 



K. 



Kanitcliatka lily, fecuudation of, by insects 

 4!)8. 



Kangaroo, limited movements of, ?>'20; en- 

 graving of, 32.'1 



Keiinely Clmnncjl, engraving of, 081, 



Kenney, Jemmie, carried off by eagle, 249, 

 note. 



Khamsin, description of the, 705. 



Knight's experiment on transpiration of 

 leaves only from inferior surface, 430. 



Kobolds, believed to frequent caverns, 694; 

 Schleiden's description of the, 094, note. 



Labyrintbodon, or monster toad, 580; re- 

 stored, engraving of, 589. 



Lacreze-Fossat on exbalation of oxygen by 

 Nymj^ha'a lutea, 419. 



Lagomys, Siberian, hay heaps collected by, 

 258. 



Lalco- dwellings in Switzerland, Scotland, 

 Denmark, 613; similar abodes iir Africa, 

 614, note. 



Lamartine, poetical description of butterfly 

 by, 114, note. 



Lambert on comets, 757. 



Lamouroux, M., on nest of Chinese swallows, 

 297. 



Lampyvis noctihicd.-, 132. 



Land crabs, migrations of, 358; organization 

 of, 358. 



Language, antennal, in insects, 119. 



Lantern-fly {Fi/fr/ora lanternaria), lumino- 

 sity of, 132; engraving of, 133. 



Laplanders feed on mountain-meal, 34. 



La Rocbelle, accident at, caused by termites, 

 191. 



Larrey on hybernation of swallows, 337. 



Larva, of the common gnat [Culex pipicns), 

 engraving of, 128; and nynix-)h of the Pan- 

 orpis, engraving of, 145; of the Great Cap- 

 ricornis, engraving of, 205. 



Latbr^a, Scaly [Lathnna squamaria), exten- 

 sion of, towards light, 475. 



Lavoisier on necessity for light iu organic 

 life, 417. 



Lead-eating insects, 207. 



Leaf, the, and functions of, 384. 



Leafed branches and adventitious roots on 

 half-baricd branch, engraving of, 375. 



Leaves, absorption by, 402; the lungs of 

 plants, 412. 



Lehiodcriis Goryi, engraving of, 122. 



Lee, Mrs., on destruction effected by ter- 

 mites, 190. 



Lemmings, migrations of, 325. 



Lenses, Leuwenhoeck's, smallness of, 9; of 

 7500 diameters, 9. 



