INDEX. 



879 



N. 



Nadflmann, H., Mucilage in the Eudo- 



sperm of Legumiuorse, 773. 

 Nail, Development of, in Human Foetus, 



«20. 

 Nansen, F., Protandric Hermaphroditism 



of Myxine, ISS. 

 Nautilus Ponipilius, Structure of Siphou 



and Funnel uf, 495. 

 NaviculR, New Species of, 101. 

 Nawaschin, S., Helotium parasitic on 



Sphagnum, 263. 

 Nebaliidae and Leptostraca, 213. 

 Nectarial Scales of Eanunculus, GG2. 

 Nectaries, Extrafioral, 543. 



, , in Ciimpositae, 87. 



, , of Uioscoiea, 543. 



Nelson, E. M., A mt ans for the detection 



of Spurious Diifraetiou Images, 612. 



, Amphipleura pellucida, 821. 



, An Instrument for e.xhibiting the 



1/2500 in. without a lens, 702. 

 , " Back of the Objective and the 



Condenser," 2SS. 



, Diatom Structure, 701. 



, Diffraction Tlieory, 807. 



, Elementary Centering Substage, 846. 



■ , Formation of Diatom Structure, 702. 



, Nelson-Curties Microscope (Large 



Model), 8U0. 

 , Observations on Human Spermatozoa, 



190. 

 , Popular Explanation of Interference 



Phenomena, 294. 

 , The Action of the Wide-angled 



Illuminating Axial Cone, and its rela- 

 tion to the Diffraction Theory, 472. 

 Nemat'i elminthes. See Contents, xvii. 

 Nematode, Free, Life-history of, 756. 



in Blood of Dog, 58. 



Nematodes, Anatomy and Ontogeny of, 



224. 



, Cellular Epidermis of, 225. 



, Examination of, 300. 



Nenjatophyton, 5G0. 



Nemertiues, Nervous System of, 519. 



Nepenthes, Pitcher of, 779. 



Nephridia and Coelom of PalaBmon scrratus, 



749. 



of Earth woims, 218. 



Nerve-cells and Axis-cylinders, De- 

 monstrating Transverse Striations in, 



297. 



in Birds, 494. 



, Macerating Fluid for, 298. 



, New Methods for Preparing, 



59S. 



tibres. Structure of, 624. 



Nervous Elements of Adductor Muscles 



ot l.amellila-anchs, 201, 299. 



• Mass, Ventral, of Fissurella, 496. 



System, Central, of Amphibiaus, 



Development of, 1S8. 



Nervous Mass, Ventral, of Lumbricus, 56, 



706. 

 , ^^, of Vertebrata, Evolution 



of, 187. 

 of Amphioxus, 36. 



— of Amphiptyclies, 522. 



of Annelids, Influence on 



Symmetry of Body, 514. 



of Nemertines, 519. 



of Oijiiiurids, 527. 



of Vertebrates, Origin of, 3G0. 



, J'eripheral, and Hypodermis of 



Gordiidc-e, .388. 



, , of Amphioxus, 625. 



, Vertebrate, Aniielidan Affinities 



in Ontogeny of, 192. 



SysteniS, Preserving, 460. 



Tissue, Carmine Staining of, 148. 



Nervures, Double Plexus of, in Insects' 

 Wings, 742. 



Neuilorf, F., Jr., Charles Fasoldt, Sr.'s 

 Kulings, 702. 



Neuhauss, R., Flagella of the Cholera 

 Bacilli, 571. 



, Guide to preparing Photomicro- 

 graphs, 283. 



, Staining Microbes black for Photo- 

 micrography, 148. 



Neumayr, M., Origin of Unionidse, 498. 



Neurenteric Canal in the Rabbit, 29. 



jSeurology of Prosobianchiata, 372. 



New Guinea, Mosses from, 553. 



South Wales, Bryozoa of, 629. 



Zealand and Australia, Alg£e of, 97. 



and Cape Species of Peripatus, 



Maturation of Ovum in, 507. 

 , , Oligochsetous Fauna of 754. 



Nickel, E., Staining reagents for Wood, 

 601. 



Nierenbergia rivularia, Fibrovascular 

 Bundles in the Petiole of, 242. 



Niessing, G., Spermatogenesis in Mam- 

 mals, 623. 



Nigrosin, Staining Connective Tissue 

 with, 305. 



Nitric Acid, Presence of, in Nutrient 

 Gelatin, 457. 



Nitrogen, Absorption of, by Plants, 412. 



, Free Assimilation of, by the Lower 



Organisms, 550. 



in Putrefaction, Development of, 



414. 



in the soil, Relation between the for- 

 mation of Tubercles and the presence 

 of, 251. 



, Obtaining of, by Graminea3 and Legu- 



minosse, 781. 



Power of Plants to absorb, from the 



Ail-, 782. 



Noack, F., Mycorhiza-forming Fungi, 678. 



Noctiluca, Intluence of Light on, 75. 



miliaris. Luminosity of, 236. 



Noll, F., Cellulose-fibres of Cauleipa, 

 558. 



, Colouring-matter of Bungia, 418. 



