INDEX. 
885 
Osmunda. Apical Growth of, 500. 
Osseous Tissues, Infiltrating, 307. 
, Staining, by Golgi’s Method, 
426. 
Osteomyelitis and Streptococci, 243. 
, Microbes of Acute Infectious, 243. 
Ostracoda, Freshwater, Males of, 346. 
Otocysts of Nuculidse, 178. 
Otto, R., Assimilation of free Atmospheric 
Nitrogen, 771. 
, Assimilation of Nitrogen by Plants, 
370. 
Ova. Amphibian, Maturation of, 21. 
, Ascidian, Improved Method of Pre- 
paring, 140. 
, Blastopore in Meroblastic, 577. 
, Experimental Studies on, 19. 
, Mammalian, within a Uterine Foster- 
mother, Transplantation and Growth of, 
169. 
, of Chironomus, Preparing and Stain- 
ing, 539. 
of Cyclops, Maturation of, 188. 
of Elasmobranchs, Maturation of, 170. 
of Gordius , Examining, 540. 
of Temnocepliala cliilensis, 44. 
Ovaries, Inferior, 491. 
Ovary, Mammalian, Degeneration of 
Follicle in, 322. 
of Ophiurids, 352. 
Overbeek de Meyer, — van, Preparing 
Nutrient Agar, 416. 
Overton, E., Fertilization of Lilium mar- 
tagon, 767. 
, W., Histology of Characese, 74. 
Oviaells of Cyclostomatous Polyzoa, Origin 
of Embryos in, 457. 
Oviposition in Asellus aquaticus , 187. 
of Agelena labyrinthica, 731 
Ovum of Fowl, Investigation of, 827. 
, Maturation of, 20. 
Oxalic Acid, Formation, Decomposition, 
and Function in Metabolism of Fungi, 
772. 
Oxyethira , Metamorphosis of, 340. 
Oxy-hydrogen Microscopes, Mason’s Im- 
provements in, 89. 
Oxylricha ludibunda , 702. 
setigera , 701. 
Oyarzun, A., Impregnating Brain oi 
Amphibia by Golgi’s Method, 426. 
Ozone, Influence of, on Growth of Bac- 
teria, 388. 
P. 
Pachytheca, 779. 
Packard, A. S., Brain of Limulus poly- 
pliemus , 466. 
, Insects injurious to Forest and Shade 
Trees, 461. 
, Phytogeny of Lepidopterous Larvae, 
589. 
Pagnoul, — ., Absorption of Nitrogen, 218. 
Paladino, G., The Formation of the Zona 
Pellucida, 22. 
Palxmonetes varians, 37. 
Palinurus , Excretory Apparatus of, 37. 
Palla, E., Aerial Roots of Orchideae, 215. 
, Formation of Cell-wall in Proto- 
plasts not containing a Nucleus, 360. 
, Pollen of Strelitzia, 621. 
Palladin, W., Effect of Transpiration on 
Etiolated Plants, 370. 
, Green and Etiolated Leaves, 758. 
Paludina vivipara , Development of, 329, 
724. 
Panzini, S., Bacteria in Sputum, 513. 
Paoletti, G., Movements of the Leaves of 
Porlieria hygrometrica, 71. 
Papilionaceai, A leurone grains in, 615. 
, Fertilization of, 625. 
, Germination of Seeds of, 218. 
, Secretory System of, 617. 
Papillae, Sensory, of Ealiclystus auricula 
var., 750. 
Papuli, F., Antiseptic power of Salol, 
803. 
Paraffin Imbedding, Method of Preparing 
Vegetable and Animal Tissues for, 686. 
imbedded Sections, Treatment and 
Manipulation of, 285. 
Method, Imbedding Seeds by, 143. 
Paramcecium , Karyokinesis in. 684. 
Parapodia, in Syllidinse, Development and 
Morphology of, 595. 
Parasite and Host, Relations between, 
69. 
■ of Acridium peregrinum , 636. 
of Cockchafer, 636, 783. 
Parasites, Biology of, 495. 
, Fungus-, of Sugar-cane, 781. 
, on Pines, 782. 
, Malaria, in Birds, 755. 
, Notes on, 742. 
of Molci rotunda, 25. 
, Phanerogamic, 70. 
Parasitic Plants, Evolution of, 774. 
Parasitism of Euphrasia, 369. 
Parker, G. H., Compound Eyes of Crus- 
tacea, 733. 
, Eyes in Blind Crayfishes, 186. 
, Preparing Crustacean Eyes, 828. 
, T. J., Biological Terminology, 173. 
, Lessons in Elementary Biology, 451. 
Parkes, L., Relations of Saprophytic to 
Parasitic Micro-organisms, 647. 
Parmopkorus , Larval Form of, 582. 
australis, Nervous System of, 26. 
Parnassia, Staminodes of, 213. 
Parona, C., The Genus Vallisia, 199. 
Parthenogenesis of Ants induced by 
heightened temperature, 182. 
Pasquale, A., New Pyogenic Micro- 
organism, 803. 
Paasifloraeese, Tendrils of, 213. 
