668 



INDEX, 







Oat-breeding, 403 

 Obituary, Braitliwaite, Eobert, 5*30 

 Objectives, Cemented, Choice of Crlass, 629 

 — "" Tliin," Notes on Calculation, 628 



— See also Contents 



Ochi, S., Life of Spermatozoa in Solution, 



381 

 Ocular, Demonstration, Spencer, 629 

 0'Donoji;hue, C. H., Development of 



Vascular System in Reptiles, 284 

 Oestrup, E., Marine Diatoms from Iceland, 



288 

 Oidium lactis, 489 



— Oak, Observations, 488 

 Oil, Improved Immersion, 507 

 Oil-immersion Objectives, 198 

 Oka, A., Remarkable Leecli , 588 

 Okada, Y., Cyclostomatous Bryozoa of 



Japan, 590 

 Okamura, S., Japanese Bryophyta, 143 

 Oligochseta, Snow-fiold and O lacier, 125 

 Onslow, H., Black Markings on Wings of 



Large Cabbage Butterfly, 886 

 Oiiygena equina. Spore Germination, 324 

 Oocystis and Eremosphtera, 239 

 Oocytes of Oyster, Parasite, 4(i0 

 Ootheca, Remarkable, from Nyasrdand, 120 

 Openshaw, A. E., Preparation and Stain- 

 ing of Material for Mitosis, 167 

 Opercularia, New Species, 133 

 Optical System, Tracing Ravs through, 



631 

 Optics, Microscopical. See Contents 



— Technical, 279, 558 



" Orange Agar " ; New Culture Medium, 



165 

 Organisms, Age-cycles and Periodicities, 



209 



— Enteric, Note on the Isolation, 254 

 Ornamentation in Killifishes, 449 



( )rthostereoscopic Image, 507 



Osborn, H., Life-histories of Leaf- hoppers, 



115 

 Osborn, H. F., Fundamental Biological 



Law, 450 

 Osmic Acid Solution for preserving Marine 



Protozoa, 526 

 Osmundaceae, ATjatomy of Leaf, 234 

 Osteoclasts. Origin, 287 

 Ostracod, Commensal, 300 



— Antarctic, 299 



Ostracods of Upper Cretaceous, 587 

 Outerbridge, G. W., Bone Formation in 



Ovary, 438 

 Ova, Sea-urcliin, Division, 303 

 Ovarian Cycle in Mice, 282 

 Ovary, Bone Foriuation in, 438 



— Chemical Composition, 381 



— Mammalian, Cyclic Changes, 435 



— Ossification, 437 



Overhots, L. O., Disease of Pitch Pint- 

 Timber, 621 



Ovum, Activated, Increase in Volume of 

 the Nucleus of, 470 



Owenia and Myriochele, Nervous System, 

 301 



Oxazine, Action on Germ-cells of Sea- 

 urchin, 226 



Oxygen Pressure and Tissue Culture, 383 



Oxyuridse of North African Ri ptiles, 588- 



Packard, C, Effect of Radium Radiations 

 on Rate of Cell-division in Arbaeia, 

 _ 128 



Paillut, A., New Bacterial Parasites of the 

 Cockchafer, 249 



— Further Note on Bacterial Parasites of 



the Cockchafer, 335 

 Paludism and French Mosquitoes, 579 

 Panorpa, Male, Salivary Glands, 217 

 Paper, Fungi that Live on, 329 

 Pappenheimer, A. M., Golgi Apparatus iii 



Cells, 2S8 

 Parabasal Bod}' of Flagellates, 472 

 Paragnathia halidaii, 122 

 Paramecium, Effect of Thyroid Diet, 594- 



— Free- swimming. Ciliary Current, 133 



— with Extra Contractile Vacuoles, 594 

 Parasites, Blood, of African Apes and 



Monkeys, 474 

 ■ — Braconid, 216 



— Copepod, of Sprat, 586 



— Ichthyobdellid, 223 



— New Bacterial, of Cockchafer, 249- 



— of Common Flies, 214 



— of Oocytes of Oyster, 400 



— Sclero.stome, of Horse, 125 

 Parasitic Mites, Notes, 121 



— Sacchai'omycete, 325 



of the Tomato, 156 



Parasitism, Braconid, 115 

 Parasitology of Pyorrhcea alreolaris, 261 

 Paris, P.. Commensal Ostracod, 300 

 Parker, E. N., Luminescence of Cavernu- 



laria, 304 

 Parker, G. H., Efifector Systems of 

 Actinians, 398 



— Movements of Tentacles in Actinians,. 



305 



— Nervous Transmission in Actinians. 301 



— Pedal Locomotion in Actinians, 305 



— and another. Structure of Metridium, 



397 



Parker, G. N., Neuromuscular Arrange- 

 ments in Sea-anemones, 129 



Parker, K. M., Development of Hypophy- 

 sis and Related Structure in Marsu- 

 pials, 437 



