746 



INDEX. 



Diatomacese, on collecting, 428. 

 Diatoms, movements of, 423. 

 Difflugia, 372. 

 Diffraction of light, 68. 

 Diphydse, 464. 

 Dipping tubes, 191. 



Directions for keeping instrument, 159. 

 for mounting and preparing ob- 

 jects, 215. 

 Disc, circular, 212. 

 Dissecting knives and needles, 198. 



microscopes, 98. 



under water, 200. 



scissors, 202. 



Distoma, 567. 



Divini's microscope, 7. 



Doris tuberculata, palate of, 538. 



Dragon-fly, 597. 



Drone-fly, 591. 



Dytiscus marginalis, 626. 



sucker from leg of, 588. 



EcHiNiD^, 498. 

 Echinococci, 569. 

 Echinodermata, 494. 

 Echinorhynclius, 571. 

 Ecker, on protozoa, 873. 

 Eel, scales of, 722. 

 Eggs of insects, 602. 



of gasteropoda, 545. 



Egyptian cloth, 354. 

 Elirenberg's brachionus, 455. 



on boundary between plants and 



animals, 655. 

 Elder-root, section of, 363. 

 Elm, section of, 356. 

 Enamel, 709. 

 Enchondroma, 704. 

 Encrinus, 506. 

 Entomostraca, 555. 

 Entozoa, 565. 

 Eozoon canadense, 378. 

 Epeira diadem, 645. 

 Epithelium, tesselated, 668. 



columnar, 670. 



Equisetaceae, 311. 

 Equisetum, section of, 332. 

 Errors of interpretation, 65, 723. 

 Escharidae, 521. 



foliacea, 522. 



Euastrum, 280. 

 Eucratiadse, 519. 

 Euglena, 412. 

 Eunotia, 437. 

 Euphorbia neriifolia, 329. 

 Eupleetella, 402. 

 Eye-glass, 31. 

 Eye, human, vessels in, 689. 



pigment, 672. 



section of cat's, 689. 



Eye-piece, the, 47. 



Huyghenian, 47. 



Ramsden, 50. 



micrometer, Jackson's,52. 



Kilner, 78. 



Eyes of insects, 584. 



Fasciola hepatica, 566. 

 Fat ceils, 694. 

 Favus fungus, 296. 

 Feather-star, 496. 

 Feet of insects, 587. 

 Ferns, 311. 



section of root, 335. 



Fibre, muscular, 695. 



in the tongue, 697. 



involuntary, 698. 



Fibrous tissue, 693. 



white and yellow, 694. 



Finders, 187. 



Amyot's, 188 



Maltwood's, 189. 



Fishes' scales, 721. 

 Flatness of field, 72. 

 Flax, 353. 

 Flea, 630. 



cat's, 634. 



larva of, 634. 



Flora of coal measure, 364. 



Floridefe, 271. 



Flower buds, 351. 



Flowers, coloiiring matter of, 352. 



Flukes, 565. 



Floscularia ornata, 458. 



Floscularise, 453. 



Flustra;, 521. 



avicularis, 523. 



chartaeea, 523. 



foliacea, 522. 



Flj^, foot and leg of, 587, 591. 



tongue, 595. 



fungoid disease of, 596. 



Tsetse, of Africa, 596. 



Follicles of pig's stomach, 669. 

 Foraminifera, 375. 



skeletons of, 381, 



fangasina, section of, 380. 



fossil, 377. 



Forceps for holding objects, 100. 

 Fossil infusoria, 431. 



mode of preparing, 434. 



Fossil plants, 362. 

 Fraunhofer's glasses, 10. 



lines, 738. 



Frog-plate, 632. 



bit, 321. 



circulation, 679. 



hopper, 615. 



Fungi, 290. 



Berkeley on, 290. 



De Barv on, 291. 



floating, 295. 



Fungiae, 484. 

 Fungoid growths, 296. 

 Furze's .spotted lens, 155. 

 Fragillaria pectinalis, 437. 

 Funaria, capsule of, 309. 



Gall-ff.y, 618. 

 GalUouella sulcata, 438. 



