1142 



INDEX. 



Laoaze-Duthiers, H. do, and J. Car- 

 riere, Retina of Helix pomatia, 585. 



mid Y. Delage, Cynthiidse 



of the Coasts of France, 53. 



Lacroix, A., Optical Examination of 

 Minerals, 181. 



Lactarius, Laticifcrous System of, 

 833. 



Lactose in Plants, Elements of, 469. 



Lagerheim, G., Chloroehvtiium Cohnii, 

 110. 



■ . Mastigocoleus, a new Genus of 



Sirosiphonacese, 665. 



, Phseothamnion, a new Genus of 



Fresh-water Algse, 110. 



Lahille, F., Alternation in the Heart 

 of Tunicates, 416. 



, Classification of the Tunicata, 



777. 



, New Diplosoma, 778. 



, Polyclinse, 956. 



Lake District, English, Fresh-water 

 Algaa (including Chlorophyllaceous 

 Protophyta) of, with descriptions of 

 twelve new species, 1. 



Laker, K., 365. 



Lakes, Horizontal and Vertical Geo- 

 graphical Distribution of the Pelagic 

 Fauna of Fresh-water, 582. 



, Sub-Alpine, Origin of the Deep- 

 sea Fauna in, 581. 



Lamellibranchiata, ' Challenger,' 415. 



Lamellibranchs and Gastropods, Peri- 

 cardial Gland of, 586. 



, Movements of Foot in, 52. 



of the ' Willem Barents,' 777. 



, Pedal Gland and Aquiferous 



Pores in, 586. 



, Shell-formation in, 414. 



Laminariacese, Fronds of, 111. 



of Japan, 659. 



Lamp, Baker's New Microscope, 6S8. 



, Electric, and Silico-Carbon 



Battery, 131. 



, Incandescence, 1053. 



, Queen's Acme, 1053. 



Lampe, W., New Tetractinellid Sponge 

 with radial structure, 1000. 



Lamprey, Formation of Mesoblast and 

 Persistence of Blastopore in, '212. 



Lankester, E. R., Claus's Classification 

 of the Arthropoda, 419, 782. 



, Golfingia macintoshii, 245. 



, Green Oysters, 52. 



Lanzi, M., Endochrome of Diatoms, 

 291. 



Larva living without a head, 967. 



Larva?, Batrachian, Cells of the Epi- 

 dermis of, 214. 



Larval Theory of the Origin of Tissue, 



943. 

 Latex, Proteid Substance in, 644. 



Latham, V. A., 181, 3C5, 518, 731, 



1102. 

 Lathe, Horizontal, for Grinding and 



Polishing hard Objects, 714. 

 Latioiferous System of Lactarius, 833. 

 Vessels, Articulated, 270. 



as Assimilating Orgaus, 



822 



Laudy, L. H, 527. 



Laulanie, F., Contraction of Striped 

 Muscle, 47. 



■ , Phenomena of Muscular Con- 

 traction in Primitive Striated Fibres, 

 218. 



Laurent, L., 338. 



, Assumed Bacterian Origin of 



Diastase, 478. 



, Bacterium of Panic Fermenta- 

 tion, 494. 



, Formation of Starch out of 



Glycerin, 643. 



, Microbes of the Soil, 836. 



, Turgidity in Phycomyces, 48S. 



Lavalette St. George, A. F. v., Pre- 

 paring Spermatic Elements of Cock- 

 roach, 1073. 



, Spermatogenesis, 590. 



, in Amphibians, 935. 



, of Bombinator, 45. 



Lavdowsky, M., 365. 



Lawrence, P. E., and C. S. Raddin, 

 Cell-markings as Specific Characters 

 of Exogenous Trees, 272. 



Layers in Peripatus, Formation of, 239. 



Lazaro e' Ibiza, Carbolated Glycerin - 

 gelatin, 1097. 



Leaf and Pith, Turgidity of, 824. 



, Causes of the Fall of, 826. 



Closing of the Scar after the Fall 



of, 474, 1009. 



, Contrivances for Storage of 



Water in, 94. 



Leaf-blight and Apple-scab, 297. 



stalk and Cushion, 271. 



Leafless Plants, Anatomy of, 274. 



Leaves, Amount of Chlorophyll in, 467. 



and Number of Stomata, Influence 



of Light on the Structure of, 821. 



and Stomata, Structure of, in 



Conifers?, 276. 



, Composition of the Gases in 



Floatiug and Submerged, 105. 



, Excretion of Salts from, 470. 



, Formation and Transport of Car- 

 bohydrates in, 280. 



, of Starch-grains in, from 



Sugar, Mannite, and Glycerin, 642. 



, Growth of, 102. 



, Internal Air of Insects compared 



with that of, 790. 



of Angiosperms, Products of As- 

 similation of, 101. 



