INDEX. 
631 
Oscillatoria rubescens , 156 
Oscillatoriacese, Movements of, 624 
Ossification, Periostal, 520 
Ostergren, Hj., Holothuriidse of Norway, 
130 
— Synallactinae, 130 
— Use of Anchors in Synapta, 296 
Osterhout, W. J. V., Formation of the 
Ivaryokinetic Spindle in Equisetum, 416 
— Observing Nuclear Division in Equi- 
setum and Ohara, 445 
Ostracods, New, 384 
Ostrooumoff, A., Craspedota, 298 
Otto, R., Anatomy and Histology of Am- 
phistomidae, 38 
Ovarian Ova, Division of, 17 
Ovaries, Compound, 50 
Ovary and Ovarian Ova in Marine Fishes, 
353 
— of Pomegranate, 306 
Oviparity of Scolopendra, 379 
Oviposition of Nautilus, 200 
Ovulation and Menstruation of Macacus 
rhesus , 16 
Ovule and Seed of Hydnoraeese, 518 
— of Christisonia, 306 
Ovum Centrosome in Chaetopterus, 286 
— in Sagitta, Growth of, 535 
— in Testis of Lamprey, 517 
Oxygen, Demonstration of the Evolution 
of, by Diatoms, 252 
— Evolution of, from Coloured Bacteria, 
569 
— Loose combination of, in Bacteria, 156 
Oysters, Green, 27 
P. 
Paguridae, New, 285 
Pakes, W. C. C., Bacillus of Friedlaender 
in Tonsillitis and Pharyngitis, 243 
Palaeodiscus and Echinocystis, 129 
Palmer, T. C., Demonstration of the Evo- 
lution of Oxygen by Diatoms, 252 
Palps of Butterflies, 376 
Pammel, E. and L. H., Gases produced by 
Bacteria, 65 
— L. II., Micrococcus cyanogenus , 161 
Pampaloni, L., Underground Fruits, 548 
Pancreas and Liver, Development, 189 
— and Liver in Ammocoetes, 517 
Pantel, J., Larva of Thrixion Halidaya - 
num, 201 
Papillae, Siphonal, of Cockle, 528 
Paraphyses, Mucilaginous, in a Moss, 56 
Parasite, New Dipterous, 530 
— New Epicarid, 204 
— of Rabies, Nature of the, 543 
Parasites of the Beet, 151 
— of Uredineae, 61 
— of Vaccinia and Variola, 331 
Parasitic Beetles, 31 
Parasitic Flagellata of Termites, 394 
— Fungi, 59, 150, 230, 420, 566 
on Lichens, 151 
— Phanerogams, Germination of, 556 
Parasymbiosis of Fungi, 228 
Paratore, E., Supernumerary Vascular 
Bundle in a Root, 304 
Parenchyme-Sheath in the Leaves of Dico- 
tyledons, 515 
Parker, G. H., Diversity of Structure in 
Metridium, 211 
— Photomechanical Changes in Retinal 
Pigment Cells of Palaemonetes, 284 
— W. N., Comparative Anatomy of Verte- 
brates, 364 
Parmentier, P., Anatomy of CE no there je 
and Halorageae, 403 
— Importance of Anatomical Characters, 
in Classification, 49 
Parona, C., New Species of Bilharzia, 39' 
Parthenogenesis in Marsilia, 560 
— in Thalictrum, 52 
Partition-Walls, Influence of Traction and 
Pressure on Direction of, 131 
Passage of the Eye in a Flat-Fish, 517 
Pastes and Cements for General Purposes, 
593 
Pasteur, L., 181 
Pathogenic Bacillus found in Ice-Creams 
and Cheese, 241 
— Blastomycete found in Carcinoma, 421 
— Water Bacteria, 426 
Patouillard, N., Parasitic Fungi, 150, 
320 
Paul, Th., Behaviour of Bacteria to Che- 
mical Reagents, 324 
Pear-Borer, The, 379 
Pearson, Karl, Chances of Death, 272. 
Pebrine, 543 
Peck, C. H , Cryptophallus, 320 
Peckham, Adelaide W., Influence of cer- 
tain Yeasts in Destroying the Vitality of 
Typhoid and Colon Bacilli, 243 
Pedipalpi, Development of, 531 
Peglion, V., Bacteriosis of the Hemp, 
157 
— Exdbasidium Vitis, 567 
Pelagic Flora of Swiss Lakes, 568 
— Larvae of Polychseta, 206 
Femmatodiscus socialis, 26 
Penard, Eugene, A Swimming Heliozoon, 
541 
Pentagenella, 231 
Perameles, Development of Teeth in, 110 
Pereyaslawzewa, S., Development of Pedi- 
palpi, 531 
— Development of Phrynidao, 379 
Pericarp of the Rye, 5 1 1 
Perichaeta, New Species, 386 
Periderm and Epiderm, Formation, 314 
Periodic Movements of Leaves of Mimosa 
in the Dark, 312 
Periostal Ossification, 520 
2 x 
1897 
