737 



INDEX. 



Abbe, The Collected Treatises of, 113 



— Theory, Vindication of, Theories of 



Microscopical Vision, 610, 728 

 Abbe's Theorems on the Microscopic Re- 



solntion of Gratings, Direct Proof, 385, 



483 

 Abel, O., Asymmetry of Skull in Toothed 



Whales, 402 

 Abelous, J. E., Occurrence of an Animal 



Diastase at once Oxidising andKeducing, 



173 

 Abnormalities in Urodela, 517 

 Abronia, Presence in the Tertiary Flora of 



Europe, 549 

 Absorption and Emission of Air and its 



Ingredients for Light of Wavelengths 



from 250 ft to 100 ft, 360 

 Acacia salicina, Ash Analysis, 428 

 Accommodation-Apparatus in Compound 



Eyes, 525 

 Acetic-methyl-green, Concretions, 475 

 Acetylmethylcarbinol, Production by Bac- 

 teria of the Bacillus mesentericus Group, 



350 

 Achyla polyandra, Variations of Growth, 



561 

 Achromatic Figure in Pellia, Formation, 



663 

 Acid-fast and Tubercle Bacilli, Resistance 



to Decolorising Agents, 249 

 Actinotrocha, Body Cavities and Nephri- 

 dia, 418 



— Larva, Development of Blood- Vessels 



and Blood-Corpuscles, 418 

 Adams, G. P., Negative and Positive 



Phototropism of the Earthworm, 184 

 Adams' Improved Lucernal Microscope, 



724 

 Adductor Muscles of Bivalves, 523 

 Aderhold, R., Infection Experiments with 

 Nectria ditissima, 94 



— Sclerotinia and Monilia, 439 

 Adipo-hepatic Function in Invertebrates, 



301 

 Adjustment, Fine, Notched, for Optical 



Instruments, 577 

 -5Ccidiuni of Maize Rust, 564 

 Mgagropila Sauteri, 213 

 iEolids, Nematocysts, 407 

 JEolosoma hemprichii, Experiments, 184 



Aerotropism in Roots, 546 

 ^Etheriidas, 524 

 iEtiology, Conversational, 168 

 Agar Method for Imbedding Plant Tissues, 

 719 



— Nutrient, Simple Method of Clearing 



without Filtration, 246 



— Nutrose, Preparation, 470 

 Preparing Plates, 471 



— Preparing, 588 

 AgaricinesB on Trees, 222 

 Agelacrinus and Palseodiscus, 656 

 Agglutinoscope, Apparatus for Facilitating 



Macroscopic Observation of Agglutin- 

 ation in the Test Tube, 250 



Agitation, Constant, Influence on Develop- 

 ment of Toad's Egg, 635 



Agnus, M., Palseoblattina Douvillei, 650 



Air, Bacteriological Test for Estimating 

 Pollution,717 



Air-Bubbles, Method of Removal from 

 Frozen Sections, 594 



Albugo Lepigoni and some Peronosporese, 

 Studies on the Fertilisation, 92 



Albumen Extracted from Frog's Ova, 518 



Alcohol, Absolute, Resistance of Certain 

 Seeds to Action of, 426 



Aleurodidse, Oriental, 410 



Alga, Fountain, 336 



— Related to Raphidium polymorphum^Zb 

 Algae, Alaskan, 437 



— American, 678 



— Analysis of the Colour, 559 



— Arctic, 216 



— Bahaman, 337 



% — Chinese Marine, 437 



— Colour of, and of Water, 332 



— Cultivation, 588 



— Fossil, 86 



— Fresh-water, British, 679 



from Brazil and Paraguay, 89 



Nitrogen-assimilation, 319 



West Indian, 680 



— German Fresh-water, 337 



— Growth in Water Supplies, 559 



— in Public Water Supplies, 86 



— Indian Ocean, 216 



— Marine, Cell-growth and Plant-form, 



217 

 Distribution in Japan, 217 



