993 



Bacteria, Injection of, into the Bloixl 



without any Toxic Eifects, 7tJ0. 



in the Poison of Serpents, 189. 



, Lichens, Bacillus Organisms, 



and the Lowest Forms of Life, 69. 



, Luminous, in Meat, 310. 



Poisoning in Frogs, Antidote to, 



928. 

 Balbiani, Professor, Notommata "Wer- 



neckii and its Parasitism in the 



Tubes of Vauclieria, 530. 

 Batruchia, Anourous, Haptophrya 



gigantea, a new Opalinid from 



Intestine of, 588. 

 Batracliobdella Latasti, 0. Vig., 885. 

 Bausch and Lomb Optical Co.'s new 



A Objective, 107. 

 Beck, J., Note on the Structure of the 



Scale of a Species of the Genus 



Mormo, 810. 

 Beck's Micrometer, 108. 

 Beech Disease, Phy tophthora Fagi, 923. 

 Bees, Parthenogenesis in, 88, 143, 297. 

 Beetle, Blister, Metamorphoses of, 708. 

 Berggrenia, New Genus of Discomy- 



cetes, 923. 

 Berlin, Trichina- phobia at, 159. 

 • Water, Creuothris pnlyspora, tlie 



Cause of the Uuwholesomeness of 



tiie, 925. 

 Bibliography, 97, 196, 210*, 335, 474, 



625, 787, 959. 

 Bihiteraluess of Prothallia, 917. 

 Birds, Cellular Tissue and Air-sacs 



of, Acarina found parasitic in, 415. 

 Black-ground lUununation, 623. 

 Blasia, Nostoc-colonies in, Origin of 



Tubes in, 598. 

 Blastoderm and Germ-layers in Insects, 



Formation of, 554. 

 Blastology of the Corals, 892. 

 Blepharisma lateritia, 588. 

 Blister Beetle, Metamorphoses of, 708. 

 Blood-cells of the Acephala, 398. 



corpuscles. Counting of, 944. 



, Nucleus in, 545. 



of Triton, Nuclei of, 272. 



, Red, Preparation of, 191. 



, very small Red (Microcy tes), 



in the Blood, 847. 

 , Injection of Bacteria into, without 



any Toxic Eltects, 760. 

 , Microcytes (very small Red 



Blood-corpuscles) in, 847. 

 . , Microphytes in, and their Rela- 

 tion to Disease, 924. 



of the Lobster, 715. 



of the Octopus, Haimocyauin, a 



new Substance in, 164. 



, Photographs of, 489. 



, Rats', Flagellated Organisms in, 



190. 



Blood-vessels, Structure of, 82. 

 Body-cavity of the Sedentary Annelids 



and their Segmental Organs, 731. 

 Bojanus, Organ of, in Anodon, 551. 

 Bonellia viiidis, 290. 

 Bopyridae, Life-history of, 563. 

 Bormgs of a Sponge in Marble, 82. 

 Brachiopod, Spines of, Barbed Hooklets 



on, 553. 

 Brain, Insect's, Dissected Model of, 



uew Method of preparing from 



Microscopic Sections, 84. 



of Invertebrates, 142. 



of the Cockroach, 864. 



Branches dipped in Water, decrease 



of Power of Absorption in, 913. 

 Branchiopoda, New, of the French 



Coasts, 424. 

 Brisinga, Anatomy of, 579. 

 British Acari — Oribatidte, 76. 



Entomostraca, New, 877. 



Oribatidse, a Contribution to the 



Knowledge of, 225. 

 Briisicke's Staining Method, 764. 

 Browuian Movements, some Causes of, 



656. 

 Brussels Academy, Natural Science 



Prizes of, 397. 

 Bryum, New, 919. 

 Buds, Adventitious, in Ferns, 597. 

 Bulbocodium veinum. Opening and 



Closing of Anthers of, Influence of 



Light, Warmth, and Moisture on, 



915. 

 Bundles, Connective-Tissue, of the 



Skin, Method of Isolating, 323. 

 Butterflies, Proboscis of, 41. 



with Dissimilar Sexes, 867. 



Buzzing of Insects, 408. 

 Bye-laws, Amendment of, 212, 350. 



Cabbage, Fungi parasitic on, 315. 

 Caddis-ilie>i, 6ic., Abortion of the Hairs 



on the Legs of, 412. 

 Cadmium, Chloride of, as Fluid for 



Homogeneous Immersion, 943. 

 Calcium Phosphate in the living Cells 



of Plants, 916. 

 (/alifornian and Mexican Islands, Land 



Shells of, 861. 

 Camera Luclda, Description of a new 



Form of, 25. 



■ , Improved Mounting for, 954. 



, some recent Forms of, 21. 



, Support for the Head in 



Drawing with, 187. 

 Canary Islands, Pelagic Annelids from, 



883. 

 Capitellidse, Lateral and other Goblet- 

 shaped Organs of, 734. 



3 u 2 



