INDEX. 



789 



Mosses, structure of, 369, 370; 



sexual apparatus of, 371 — 374 ; 



urns of, 374 ; peristome of, 374 — ■ 



375 ; development of spores of, 



375, 376. 

 Mother-of-Pearl, structure of, 598, 



599. 

 Moths, see Lepidoptera. 

 Mould, fungous vegetation of, 360. 

 Mounting of objects, see Objects. 

 Mounting - Instrument, Smith's, 



213, 214. 

 Mounting-Plate, 206, 207. 

 Mouse, hair of, 704; cartilage of 



ear of, 723. 

 Mouth of Insects, 667—671. 

 Mucous Membranes, structure of, 



717 ; capillaries of, 746. 

 Miiller, Dr. Fritz, on colonial ner- 

 vous system of Polyzoa, 579, 580. 

 Miiller, Prof. J., his researches on 



Polycystina, 523 ; on Echinoderm 



larvse, 568—573. 

 Murray and Heath's Student's 



Microscope, 62 — 64. 

 Muscardine, or Silk-worm disease, 



354, 355. 

 Muscular Fibre, structure of, 726 — 



729 ; value of as test-object, 195; 



mode of examining and pre- 

 paring, 728 ; capillaries of, 745, 



746. 

 Musk-deer, hair of, 704 ; minute 



blood-corpuscles of, 711. 

 Mussel, ciliary action on gills of, 



618, 619; development of, 610, 



611. 

 Mya, structure of hinge-tooth of, 



598. 

 Mycelium of Fungi, 361, 365. 

 Mycetozoa, 361. 

 Myliobates, teeth of, 697, 699. 

 Myriapods, hairs of, 659. 

 Myxogastric Fungi, 361, 362. 



Nachet, M.M., their Stereoscopic 

 Binocular, 31, 32 ; Stereo-Pseudo- 

 scopic Binocular, 35—37 ; Bino- 

 cular Magnifier, 55 ; Student's 

 Microscope, 68 — 70 ; Double- 

 bodied Microscope, 86 ; Erecting 

 Prism, 91, 92 ; Camera for Verti- 

 cal Microscopes, 100, 101 ; Nose- 

 piece, 103. 



Nacre, structure of, 598, 599. 



Nais, 634, 635. 



Nassula, teeth of, 454. 



Navicelhe of Gregarinida, 449. 



Nautilus, shell of, 605. 



Naviculce, 307, 308 ; movements of, 

 288. 



Needles for Dissection, mode of 



mounting, 187. 

 Nematoid Entozoa, 622, 623. 

 Nemertes, larva of, 631. 

 Nepa, tracheal system of, 674. 

 Nepenthes, spiral vessels of, 402. 

 Nervous Tissue, structure of, 729 



— 733 ; mode of examining, 730 



—733. 

 Net, Collector's, 236—238. 

 Nettle, stings of, 419. 

 Neuroptera, circulation in, 672 ; 



wings of, 677. 

 Newt, circulation in larva of, 736. 

 Nicol-Prism, 118. 

 Nidamentum of Gasteropods, 611 



—613. 

 Nitella, 338. 

 Nitzschiece, 293, 294. 

 Nobert's Test, 179, 180. 

 Noctiluca, 549, 550. 

 Nodosaria, 500. 

 Nonionina, 508. 



Non-striated Muscular Fibre, 729. 

 Nose-piece, Brooke's, 102, 103. 

 Nostochacece, 324. 

 Notommata, 474. 

 Nucleolus of Infusoria, 463. 

 Nucleus, of Vegetable cells, 244, 



274, 390, 395 ; of Rhizopoda, 



440, 443, 444 : of Infusoria, 463 ; 



of Animal cells, 691. 

 Nudibranchs, development of, 611 



—614. 

 Nummulinida, 487, 4S8, 506—521. 

 Nummulite, structure of, 487, 510 — 



513. 

 Nummulitic Limestone, 510. 

 Nuphar lutea, parenchyma of, 389. 



Object-Finders, 104—106. 



Object-Glasses, Achromatic, prin- 

 ciple of, 10 — 14 ; construction of, 

 14 — 16 ; adjustment of, for cover- 

 ing glass, 16 — 18, 149 — 152 ; adap- 

 tation of to Binocular, 38 — 40 ; 

 denning power of, 170 ; penetrat- 

 ing power of, 171, 172 ; increase 

 of with Binocular, 40 ; resolving 

 power of, 172, 173 ; flatness of 

 field of, 173, 174 ; comparative 

 value of, 170 — 175; different 

 powers of, 175 — 179 ; tests for, 

 175 — 183 ; determination of mag- 

 nifving power of, 183, 184. 



Object-Marker, 103. 



Objects, mode of mounting, Dry, 

 208 — 211 ; in Canada balsam, 

 211 — 219 ; in preservative Media, 

 229 — 233 ; see Opaque and Trans- 

 parent Objects. 



