968 
INDEX, 
Travel, F. de, Phylogeny of Fungi, 241. 
Treasurer’s Account for 1891, 171. 
Trecul, A., Appearance of the first Vessels 
in Flowers in Lactuca, 812. 
, Course of Vascular Bundles in 
Leaves of Hippocastanese, 60. 
Tree-sap, Musk Fungus from, 83. 
Trees, Activity of Cambium in, 511. 
, Fruit-, Fungi of, 833. 
, Influence of Annular Decortication 
on, 813. 
, Oil as a Reserve-material in, 58. 
, Relation between Secondary Increase 
in Thickness and the Nutrition of, 821. 
Treiber, K., Stem of Asclepiadese, 383. 
Trematoda, Ectoparasitic, 373, 485, 561. 
, Minute Structure of, 372. 
, Parasitic, 41. 
, Spermatogenesis of, 617. 
, Vitelline Nucleus in Ova of, 618. 
Trematode, New, found in Cattle, 41. 
Trematodes of Box salpa, 793. 
Treub, M., Fertilization of Casuarinese, 230. 
Trichia , 837. 
Trichomic Structures in Algae, 827. 
Trichonymphidae, New Form of, 52. 
Trichosphzerium, Nutrition of, 805. 
Sieboldii, 220. 
Triclads, Development of, 484. 
, Teratological Origin of Two Species 
of, 485. 
Trifolium subterraneum, Carpotropic Move- 
ment in, 513. 
Tristomidae, Genital Apparatus of, 615. 
Tritaxia pyramidata, 750. 
tricarinata , 749. 
Triton, Vertebral Column of, 457. 
Trochammina concava sp. n., 327. 
Trocheta subviridis , 790. 
TrocMscia pachydermci, 5. 
uncinata sp. n., 737. 
Trombetta, S., Putrefactive Bacteria, 96. 
Tropics, Protection of Buds in, 62. 
Trouessart’s Classification of Mites, 602. 
Trout Ova, Maturation and Fertilization, 
344. 
Trutta salar. Parasites of, 374. 
Tryyon BISekeri, Utero-gestation in, 588. 
Trypsin in Fruit of Cucumis , Vegetable, 
810. 
Tschirch, A., Physiology of Seeds, 233. 
Tube-length, Microscope, and Resolving 
Power, 272. 
Tubercle Bacilli, Differentiation, 291. 
, Earthworms and, 847. 
, found in Sputum and Lung 
Cavities, 558. 
, Imbedding for Examining Tis- 
sues for, 898. 
in Sputum, New Method for 
Finding, 708. 
, Simple Method for Stain- 
ing, 900. 
Tubercle Bacilli, Influence of the quan- 
tity injected on course of disease in 
rabbits and guinea-pigs, 406. 
, Method of obtaining Pure Cul- 
tivations from the Sputum, 433. 
, New Method for Demonstrating 
on Cover-glasses, 290. 
, Pure Cultivations from the 
Human Corpse, 888. 
, Vaccinating Products of Liquid 
Cultures of, 409. 
Tubercles of EqUisetum , 518. 
Tubercularieae, new Genus of, 242. 
Tubes, Preparation of Sterile Gelatin, 
558. 
Tubeuf, K. von, Wings of Seed of Abie- 
tineee, 505. 
Tubificidae, Study of, 789. 
Tubiflorse, Anatomy, 502. 
Tubularia, Reproductive Cells in, 50. 
Tullberg, T., Preservation of Invertebrates 
in a State of Extension, 435. 
Tunicata. See Contents, xi. 
Tunicates, Gregarines of, 221. 
Tunisia, Earthworms from, 482. 
Turbinaria, 240. 
Turgidity of Cells, Action of Nucleole in, 
631. 
Turgor, Relationship between Concentra- 
tion of Substratum and, 639. 
Turro, R., Spore-formation in Anthrax 
Bacilli, 88. 
Tylden, H. J., Bearing of Pathology on 
Doctrine of Transmission of Acquired 
Characters, 595. 
Typhoid, Isolating the Bacillus from 
Water, 96. 
U. 
Ude, H., New Genus of Encliytrseidse, 
790. 
Ulvacese, new genus of, 648. 
Umbelliferse, Seeds of, 504. 
United States, Air-breathing Mollusca of, 
195. 
Unna, P. G., Bacteria Harpoon, 560. 
, Coloration of Micro-organisms in 
Horny Tissue, 567. 
, Preparing and Examining Hypho- 
mycetes, 562. 
, Staining Micro-organisms of Cuticle, 
567. 
Urease, 515. 
Urech, F., Colours and Markings of 
Vanessa, 355. 
, Green Pigments in Wings of Chrysa- 
lids of Pieris brassicee, 778. 
, Scale-pigments of Lepidoptera, 778. 
Uredinese, African, 525. 
, Indian, 402. 
, Infection by, 835. 
, New Genera, 243. 
