INDEX. 
813 
Poirault, G., Vegetative Organs of Vas- 
cular Cryptogams, 715 
Poison-Apparatus of Hymenoptera, 445 
Glands of Chilopoda, 676 
Pollard, H. B., Development of Head of 
Gobius Capito , 175 
Pollen-grains, Germination, 590 
— Influence on Fruit and Seed, 368 
mother-cells of Larix, Karyokinesis, 74 
of Lilium Martagon , Nuclear 
Division in, 74 
— of Vinca major, Germination of, 84 
— Physiology, 474 
Pollination, Cross- and Self-, 225, 5S9, 709 
— of Hop, 710 
— of Pear, 710 
— of Yucca , 226 
Polycerad, New, 182 
Polycercus, 455 
Polychasta, Deep-sea, of Eastern Mediter- 
ranean, 342 
— of Dinard, 682 
Polyclinid®, Genital Products in, 330 
Polydora, 62, 199 
Polymorphism in Japanese Butterflies, 
Seasonal, 444 
— of Cladosporium herb arum, 94 
— of Cladothrix, 726 
— of Peridinium acuminatum, 71 
— of Trentepohlia, 233 
Polynoid with Branchiae, 199 
Polyplacophora, Notes, 670 
Polypostia similis , 345 
Polysaccum , 490 
Polyspordla, 212 
Poly tomeae, 579 
Pompholyx , Position, 381 
Pontederia, Histology, 586 
Pontellid®, 58 
Populus , Female Catkins in, 222 
Pores of Desmidiace®, 484 
Porifera. See Contents, xvii 
Port Erin, Lucernaria, 460 
Portele, K., Fermenting Grape- and Apple- 
must with Pure-bred Yeasts, 235 
Potamogeton, Propagation, 591 
Potash- Albumen, Bactericidal Properties, 
493 
Potato, Growth of Cholera Bacilli on, 128 
Potonie', H., Classification of Sigillarieae, 
374 
— Position of Sphenophyllaceae, 595 
— Pseudo-vivipary of Juncus bufonius, 477 
Pouchet, G., Polymorphism of Peridinium 
acuminatum, 71 
Pouiklo, S., Easy Method for Demonstrat- 
ing Cholera Vibrios in Water, 274 
Poulton, E. B., Colours of Lepidopterous 
Larvae, 188 
— Homologies and Origin of Mammalian 
Hair, 543 
— Sexes of Larvae of Smerinthus populi , 
188 
Pound, C. J., Stock Institute in Queens- 
land, 415 
Prseoral Lobe, Evolution, 330 
Prantl, Iv., Classification of Ferns, 481 
Prenant, A., Development of Thymus, 
Thyroid, and Carotid Glands, 323 
Preparing Objects. See Contents, xxxiii 
Preservative Fluids. See Contents, xxxv 
President’s Address, 18 
Prillieux, E., Bacillar Diseases of Plants, 
492 
— Parasitic Fungi, 93, 379, 489 
Print, Magnifier for Reading, 739 
‘ Prinz Adalbert,’ Tunicata collected bv 
the, 183 
Prism, Experiments with Right-angled, 
742 
— Pair, Lummer-Brodhun, Colorimeter 
with, 740 
Proboscis of Prosobranchs, 328 
Projection Preparations, Cooling of, 112 
Prosobranchs, Proboscis, 328 
Proteinaceous Crystalloids, 468 
Proteolytic Ferments in Seedlings, 704 
Prothallium, Female, of Selaginella, 594, 
632 
Protobasids, Insertion of Spores and Di- 
rection of Septa in, 486 
Protococcus, Filamentous Form, 725 
Protonema, 481 
Protophyta. See Contents, xxvii 
Protoplasm, Chemistry, 45 
— Microscopic Foam and, 437 
— Nucleus and, 44 
— of Plants. See Contents, xix 
Protoplasts of Cyanophyce®, 383 
Protozoa. See Contents, xvii 
— Cultivating, 123 
— Cultures, Aseptic, 744 
— Demonstrating in Drinking-water, 274 
Protracheata. See Contents, xiii 
Prouho, H., Contributions to our Know- 
ledge of Polyzoa, 183 
Prove, — ., Assimilation of Free Nitrogen 
by Plants, 86 
Prunet, A., New Genera of Chy tridiace®, 
718 
— Parasitic Fungi, 93 
Przesmycki, M., Cell-granules in Protozoa. 
691 
Pseudo-cilia and Cilia, 701 
— -fecundation in Uredine®, 238 
vivipary of Juncus bufonius, 477 
Psilotum, Nucleoles and Centrosomes, 360 
Psorosperms, Demonstration, 130 
— of Darier’s Disease, 73 
Pteropoda. See Contents, x 
Puccinia Paridis and inter stitialis, 238 
Puccinias Parasitic on Composit®, 238 
Puccinie®, Fertilization, 238 
— Pedicel of Teleutospores, 722 
Pulmonary Nerves of Mammalia, Staining 
Intrinsic, 755 
