LEU 



INDEX. 



LEW 



Leigh, Chas., m.d., description and qualities of nitre, III- 51 



— theory of digestion, iii. 69 



— of some strange epileptic fits, iv. 679 



— a water-level for Davies's quadrant, viii. 26*0 



— a mercurial-level for the same, viii. 262 



Leland's Itinerary, correction of an error in, vi. 364, . . Gale 

 L'Emery, Nichs., biographical account of, iii. 221, . . Note 

 Lens, a lens of a drop of water, iv. 166, Gray 



— combina. of lenses with inclined planes, viii. 54, Hadley 



— machine for grinding spherical, viii. 451, Jenkins 



L'Epinasse, C, apparatus for electrical experiments, xii. 41 6 



Leprosy, a sort at Gaudaloupe, xi. 74, Peyssonel 



Leprotti, Antonio, calculus voided by urine, viii. 653 

 Letters (Antiquities) see Inscriptions. 



Letters (nat. hist.) impres. by nature in a boy's eye, v. 51, Ellis 



— found in the middle of a beech, viii. 359, Klein 



— found in trees, on the cause of, viii. 36l, .... Mortimer 

 Lettsom, J. Coakley, m. d., an extraordinary introsusception, 



xvi. 119 

 Leuwenhoek, Ant. Van, biograph. account of, ii. 66, Note 



— microscopical observations on insects, ii. 66, 05 



— on the compression of air, ii. 128 



— various microscopical observations, ii. 128 



' on blood, milk, bones, brain, skin, ii. 149 



" sweat, fat, tears, ii. 151 



the eye, aquatic animalcula, ii. 166 



— optic nerve, blood, ii . 222 



— on the texture of trees, ii. 312 ; his observations com- 



pared with those of Dr. Grew, ibid, Note 



— of animalcula in wine, ii. 3l6 



— animalcula in different sorts of water, ii. 374, 383 



— on muscles, brain, cotton, &c,, ii. 401 



— teeth, ivory, hair, ii. 438 



— animalcula in semine humano, ii. 45 1 



■ in semine animalium, ii. 473 



— liquid globules, and semen of insects, ii. 507 



— hair, excrements, &c, ii. 521 



— muscles, fins, and shell of oysters, ii. 536 



— muscles of lobsters, &c, ii. 543 



— on generation, and muscles of insects, ii. 580 



— structure of various sorts of wood, ii. 619 



— generation of frogs, animalcula in sem. masc , &c, ii. 664 



— animalcula in the teeth and scales of the skin, iii. 36 



— scales in the mouth, slime in the guts, &c, iii. 43 



— crystalline humour of the eye, iii. 91 



— brain, chalk-stones, leprosy, scales of eels, &c, iii. 122 



— figures of salts from wines, &c, iii. 146 



- — salts from mineral and other substances, iii. 186 



— generation by animalcula in semine, iii. 199 



— semen of a rat, muscles, &c, iii. 481 



— animalcula on the teeth, skin, &c, iii. 503 



— on the seeds and propagation of plants, iii. 525 



— experiments on cinnabar and gunpowder, iii. 537 



■ on bones, bark, scales of skin, &c. iii. 56l 



— on the seeds of several plants ; skin and pores of the hand; 



crystalline humour; optic nerve, gall offish, &c, iii. 589 



— account of the wolf-insect j insects in rain water, iii. 660 



— difference of timber felled at different times, iii. 672 



— on eels, mites, seeds of figs, &c, iv. 94 



— on eggs of snails, iv. 223 



— the eyes of beetles, iv. 268 



— on objections to his theory of generation, iv. 412 



— on animalcula in semine humano, iv. 419 



— circulation of the blood in tadpoles, iv. 464 



— worms in sheep's livers, animalcula of frogs, &c, iv. 477 



— circulation of blood in butts, iv. 491 



— of worms from the teeth, iv. 509 



— of insects from fruit-trees, iv. 5 14 



Leuwenhoek, Ant. Van.,animalc. in sem. masc, iv.541,66s 



— on insects in willow trees, iv. 557 



— observations on the spawn of cod-fish, iv. 570 

 spiders, their economy, &c , iv. 587 



— on the tastes of water, edges of razors, iv. 601, v. 542 



— remarks on microscopic observations, iv. 602 



— animalc. in sem. masculino ; on shortness of breath, iv.66S 



— of water weeds and animalcula, v. 6, 52, 175, vi. 42 



— on the solution of silver, &c. v. 52 



— on the seeds of oranges, &c, v. 6l 



— of worms in sheeps' livers, and in pasture-fields, v. 87 



— of a storm of salt rain, v. 93 



— figures of various sorts of sand, v. 94 



— on cochineal, and the insect, v. 140 



— on the flesh and eye of the whale, v. 1 55 



— on the tubes of aloe -leaves, v . 157 



— salt from tobacco ashes, v. 162 



— of fossil shells of Switzerland, v. 169 



— on the black stains from dissolved silver, v. 1 78 



— texture and growth of the bark of trees, v. 1 88 



— salts of calcined hay, v. 193 



— on the seeds and seed-vessels of fern, v. 197 



— on the figures of crystal, v. 204 



— on pumice stone, coral, sponges, v. 266 



— on the seeds of some East India plants, v. 281 



— structure of the spleen, proboscis of fleas, v. 315 



— on pearls, oyster-shells, &c, v. 366 



— on Peruvian bark, v. 372 



— the whiteness of the tongue in fevers, v. 374, 449 



— blood vessels and membranes of the intestines, v. 403 



— structure of the tongue, v. 424 



— on red coral, v. 426 



— circulation of blood in fishes, v. 46 1 



— on the palates of oxen, &c, v. 481 



— on a bunch of hair voided by urine, v. 519 



— crystals of sugar ; blood of eels, v. 530 



— configuration of diamonds, v. 537 



— on the edge of razors, v. 542 



— crystal of silver, v. 549 



— animalcula in the semen of rams, v. 640 



— production of mites, &c., v. 660 



— seminal vessels, blood, &c, of whales, v. 672 



— contexture of the skin of elephants, v. 699 



— muscles and the manner of production, v. 703 



— texture of the muscular fibres, vi. 80 



— on the bones and periostseum, vi. 484 



— membranes of muscular fibres, vi. 502 



— fibres of wood ; muscles of animals, vi. 504, 576 



— muscular fibres of fish, vi. 523 



— on the seeds of plants, vi. 527 



— pores of box-leaves, down of peaches, &c, vi. 541 



— magnetism of iron, vi. 576 



— particles of fat, vi. 583 



— foetus, and parts of generation, of a sheep, vi. 593 



— callus of the hands and feet, vi. 594 



— particles and structure of diamonds, vi. 605 



— magnitude of blood-globules, vi. 660, 677 



— on the structure of the diaphragm, vi. 667 



Levels, an instrument for taking, vii. 51, Desaguhers 



Lever, on the fundamental property of the, xvii. 348, Vince 

 Lewis, Mr., to graft fruit-trees upon bits of the root, 11. 79 

 Lewis, Rev. George, on some Indian mss., iv. 334 

 Lewis, Rev. John, of the Holt mineral waters, vii. 253, 338 

 Lewis, Richard, aurora borealis in Maryland, vii. 464 



— insects generated in the leaves of a tree, vii. 6l4 



— earthquake in America, 1732, vii. 6l5 



— of an explosion in the air, ibid 



Lewis, Wm., literary productions of. x. 495, ...... Note 



