INDEX. 
887 
Philibert, — Peristome, 73. 
Phisalix, G., 514. 
Phloem, Differentation in Root, 489. 
, Extra, Sieve-tubes, 618. 
, , in Root of Oeno- 
thera?, 619. 
, Internal, in Dicotyledons, 760. 
■ , Medullary, in the Root, 489. 
Phloroglucin, 209. 
Phospho-Molybdic Acid Hsematoxylin, 
690. 
Phosphorescent Bacteria, 640. 
Phosphoric Acid, Physiological Function 
of, 625. 
Fhoronis, Anatomy and Histology of, 201. 
Photogenic and Plastic Nutriment of Lu- 
minous Bacteria, 800. 
Photographic Optics, 818. 
Photography. See Photomicrography, 
Contents, xxxv. 
, Van Heurck’s Microscope for, 399, 
434, 558. 
Photomicrography, 151, 294. 
• . See Contents, xxxv. 
Phragmidiotlirix , 641. 
Phnggane, Role of Nucleus in Formation 
of Muscular Reticulum in Larva, 461. 
Phthisical Sputum, Estimation of number 
of Tubercle Bacilli in, 833. 
Phycomyces nitens, 780. 
Phyllotaxis, Spiral, 493. 
Phylogenetic Affinities of Mollusca, 721. 
Phytogeny of Actinozoa, 6U6. 
of Ferns, 627. 
of Lepidopterous Larvae, 589. 
of Pycnogonids, 341. 
Phymosoma , 348. 
Pliyscia pulverulenta, Fructification, 782. 
Physiology of Woody Plants, 219. 
Phytophysa, 76. 
Picric Acid for rapid Preparation of 
Tissues, 417. 
Pigment Cells, 580. 
, Changes in Retinal, of Cephalopods, 
581. 
of Synchytrium-galls of Anemone 
nemorosa, 60. 
Pigments, Anilin, Antiseptic Value of, 
798. 
P ileus of Polyporeae, Spores on Surface of, 
384. 
Pillsbury, J. H., Inexpensive Reagent 
Block, 552. 
Pine, Scotch, Sections of Staminate Cone 
of, 546. 
Pines, Fungus-parasites, 782. 
Pintner, T., Morphology ofCestoda, 199. 
Pitzorno, M., Stigmatic Disc of Vinca , 621. 
Pizon, A., Blastogenesis of Astellium 
spongiforme, 332. 
Placenta, Comparative Anatomy of, 448. 
of the Cat, 448. 
, Theory of Structure of, 315. 
Placental Union in Man, 315. 
Plagiopyla Eat chi, 698. 
Planarian, Land, 742. 
Planarians, Victorian Land, 474. 
Plankton Expedition, Craspedota of, 609. 
Studies, 326. 
Plants, Absorption of Atmospheric Nitro- 
gen by, 496. 
, Absorption of Rain by, 375. 
, Anatomy of, 485. 
and Snails, Relationship between, 
499. 
, Aquatic, Rudimentary Stomates in, 
367. 
, Ascending and Descending Current 
in, 371. 
, Assimilation of Nitrogen by, 370. 
, Changes in Form of, produced by 
Moisture and Etiolation, 620. 
, Comparative Anatomy, 761. 
, Distribution of Organic Acids in 
Succulent, 208. 
, Evolution of Parasitic, 774. 
, Oil-decomposing Ferment in, 221. 
, Physiology of Woody, 219. 
, Presence of a Diastatic Enzyme in, 
221. 
, Reduction of Nitrates to Nitrites by, 
220. 
, Respiration of, 374, 497. 
, Sensitiveness of, to certain Salts, 
219. 
, Woody, Distribution of Starch at 
different periods of the year, 485. 
Plasmodia, Preserving Malaria, alive in 
Leeches, 679. 
Plasmolysis in Bacteria, 638. 
Plastic Nutriment of Luminous Bacteria, 
800. 
Plastidules, 717. 
Plate, L., Anatomy of Daudcbardia and 
TestaceMa, 582. 
, Heart of Dentalium , 330. 
Plateau, F., Marine Myriopoda and Re- 
sistance of Air-breathing Arthropods to 
Immersion, 184. 
Platyhelrainth.es. See Contents, xvi. 
Pleiocarpous Species of Trentepohlia, 503. 
Pleospora herbarum v. Galli aparinis , 
Mycele and Protospores of, 505. 
Plessis, G. du. New Pelagic Zoothamnium 
356. 
Pleurosigma , Monograph of, 785. 
angulatum , Pearls of, 386. 
Balticvm , 442. 
Plieque, A. F., Tumours in Animals, 
242. 
Plumbaginepe, Mucilage and other Glands 
of, 62. 
Plymouth, Hydroids of, 53. 
, List of Opisthobranchiate Mol- 
lusca of, 26. 
, Tunicata of, 456. 
