932 



INDEX. 



Occident Ants, 333. 



Oertel, 87. 



O'Hara, R., 838. 



Oil, Vegetation of Fungi in, 81. 



Olfactory Organ of Parmacella, 767. 



Olivier, L., 73, 640. 



Ollard, J. A., 273, 565, 587. 



Oniscoids, Aberrant, 777. 



Ontogeny of Fresh-water Copepoda, 



776. 

 Onuphis, Tubes of, Chemical Composi- 

 tion of, 509. 

 Oospores of Phytophthora infestans, 81. 

 Ophiurida, Skeleton of, Development of, 



55. 

 Ophiuroidea, Nervous System of, 199. 

 Ophiuroids, Structure and Development 



of, 789. 

 Ord, W. M., 295. 



Organic Substances, Barffs Preserva- 

 tive for, 124. 

 Organisms and Minerals, Distinctions 



between, 320. 



, Fossil, in Meteorites, 176. 



, Micro-, from Eainwater-Ice and 



Hail, 450. 



, Origin of the Lowest, 90. 



Oribatidse, British, Further Notes on, 



1. 

 Origin of the Central Nervous System 



of the Annelida, 44. 

 of the Embryo-sac and Functions 



of the Antipodal Cells, 64. 



of the Lowest Organisms, 90. 



Orley, L., 340. 



Orthonectida, 511, 624. 



Osborne, Lord S. G., 787. 



Osmic Acid, Staining Tissues Treated 



with, 276. 

 Ova, Ascidian, Test Cells in, 491. 

 Ovaries of Actiniae, 795. 

 Ovule, Homology of, 648, 808. 



of Primula, Development of, 647. 



Ovum of Melicerta, Development of, 



53. 

 Oxalate of Lime in Plants, 653. 

 Oxides, Metallic, Absorption of, by 



Plants, 526. 

 Oxygen, Disengagement of, by Hsema- 



tococcus, 663. 

 , of, by Vegetable Cells in the 



Microspectrum, 661. 

 , Influence of, on the Development 



of the Lower Fungi, 376. 

 Oyster, Development of, 330. 



, Intestinal Parasites of, 804. 



, Sexuality of, 606. 



P. 



Pacini, F., 701. 



Packard, A. S., jun., 337, 503. 



Palseontological Significance of the 

 Tracks of Different Invertebrates, 

 324. 

 Palates, Molluscan, Mounting, 746. 

 Palmella, Relation of, to the Confer- 



vacesB, 664. 

 Paper Cells, 578. 



, Semi-pulped Unglazed Print- 

 ing, Simple Plan of Imbedding Tis- 

 sues in, 474. 

 Parabolic Reflector, Griffith's, 266. 

 Paraboloid, Bausch's, 412. 

 Paraffin-imbedding, Modification of, 



708. 

 Parasite, Bacterial, of the Chinch 

 Bug, 830. 



, Cell-, of Frog's Blood and Spleen 



(Drepanidium ranarum), 519. 



of Malaria, 659. 



on the Prothallium of Ferns (Com- 



pletoria complens), 377. 

 , Prolongation of Vegetative Ac- 

 tivity of Chlorophyllian Cells under 

 the Influence of, 93. 

 Parasites, Intestinal, of Oysters, 804. 



, New, 345. 



of the Echiurida, 63. 



of the Human Ear, 655. 



of the Saprolegniese, 828. 



Parasitic Character of Cases of Malaria, 

 659. 



Eunicid, 190. 



Fungi, 83. 



Infusoria in Cephalopods, 63. 



Nature of Cholera, 384. 



on the Vine, Roesleria hypogaea, 



229. 



Organisms of Dressings, 384. 



Protozoa, 803. 



Parasitism of Puccinia Malvacearum, 

 Mode of, 80. 



of Tuberculosis, 384. 



Parker, A. T., 705. 



, C. B., 724. 



, W. N., 316. 



Parkes' Class Microscope, 395. 



" Drawing Room " Microscope,100. 



Parmacella, Olfactory Organ of, 767. 

 Parona, O, 356. 

 Parthenogenesis in the Bee, 608. 



in the House Spider, 614. 



Passage from the Root to the Stem, 74. 

 Passages, Genital, of Asterias, 348. 

 Pasteur, L., 238, 239. 

 Paszlavszky, J., 823. 

 Pathogenous Bacillus in Drinking 

 Water, 89. 



Bacteria, 541. 



Pattern and Line Mounting, 718. 

 Pax, F, 647, 808. 

 Pea, Swelling of, 216. 

 Pedicellarise, Structure of, 346. 



