756 



INDEX. 



Diatomace*, on collecting, 428. 

 Diatoms, movements of, 423. 

 Difflugia, 372. 

 Diffraction of light, 68. 

 Diphydaj, 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-rly, 597. 



Drone-fly, 591. 



Dytiscus margin alis, 626. 



sucker from leg of, 588. 



ECHINID.E, 498. 

 Echinococci, 569. 

 Echinodermata, 494. 

 Echinorhynchus, 571. 

 Ecker, on protozoa, 373. 

 Eel, scales of, 722. 

 Eggs of insects, 602. 



of gasteropoda, 545. 



Egyptian cloth, 354. 

 Ehrenberg's brachionus, 455. 



on boundary between plants and 



i animals, 655. 

 Elder-root, section of, 363. 

 Elm, section of, 356. 

 Enamel, 709. 

 Enchondroma, 704. 

 Encrinus, 506. 

 Entomostraca, 555. 

 Entozoa, 565. s. 

 Eozoon canadense, 378. 

 Epeira diadem, 645. 

 Epithelium, tesselated, 668. 



columnar, 670. 



Equisetacese, 311. 

 Equisetum, section of, 332. 

 Errors of interpretation, 65, 723. 

 Escharidse, 521. 



foliacea, 522. 



Euastrum, 280. 

 Bucratiadce, 519. 

 Euglena, 412. 

 Eunotia, 437. 

 Euphorbia neriifolia, 329. 

 Euplectella, 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. 



Kelner, 78. 



Eyes of insects, 584. 



Fasciola hepatica, 56t 

 Fat cells, 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 



Floridese, 271. 



Flower buds, 351. 



Flowers, colouring matter of, 351 



Flukes, 565. 



Floscularia ornata, 458. 



Floscularire, 453. 



Flustrae, 521. 



avicularis, 523. 



chartacea, 523. 



foliacea, 522. 



Fly, foot and leg of, 5S7, 591 



tongue, 595. 



fungoid disease of, 596. 



Tsetsp, of Africa, 596. 



Follicles of pig's stomach, 669 

 Forarainifera, 375. 



skeletons of, 3S1, 



fangasina, section of, 3S0. 



fossil, 377. 



Forceps for holding objects, 190. 

 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 Bary on, 291. 



floating, 295. 



Fungi*, 484. 

 Fungoid growths, 296. 

 Furze's spotted lens, 156 

 Fragillaria pectinalis, 437. 

 Funaria, capsule of, 309. 



Gall-fly, 618. 

 Gallionclla sulcata, 43& 



