INDEX. 



1005 



Tracheal System of Insects, Origin of, 

 729. 



Transactions of the Society. See Con- 

 tents, ix. 

 Transferring Sections from Alcohol to 



another Fluid, 953. 

 Transformation of a Fertile Branch of 



Batrachospermnm into Frothalliform 



Branch, 503. 

 Transpiration, 480. 

 Treasurer's Accounts, 368, 371. 

 Treble and Double Staining, 528. 

 Trematoda and Cestoda, Excretory 



Organs of, 47, 602, 741. 



, Development of, 892. 



, New Form of Segmental Organ 



in, 460. 



of Greenland, 741. 



Trichinosis, Muscular, Formation of 



the Cyst in, 740. 

 Trichodina steinii, Structure of, 905. 

 Trichogyne of Hildebrandtia rivularis, 



95. 

 Trichophyton tonsurans, 496. 

 Trichoptera, ''Houses" of the Larvae 



of, 239. 

 Tricuspidaria nodulosa, Development 



of, 604, 892. 

 Triest, Gulf of, Echinodermata of, 743. 

 Trilobites, Organization of, 736. 

 Trough, Botterill's Life, 670. 

 , Ease's Zoophyte, Live-Box, or 



Growing-Slide, 824. 

 " Tubercle, Olfactory," of Simple As- 



cidians, 726. 

 Tubes for conveying Moist Specimens, 



&c., by Post, 145. 

 Tunicata of the ' Challenger ' Expedi- 

 tion, 29, 438, 589. 

 Turbeilaria, Excretory Apparatus of, 



460. 

 Turntable, Armstrong's Universal, 850. 



Aylward's Concentric, 851. 



Sidles " Congress," 959. 



U. 



Underground Stomata, 71. 



Unicellular Algae, Sykidion, a new 

 Genus of, 505. 



Animals in General, Structure of, 



751. 



Organisms, Living, Staining of, 



956. 



Phycochromacese, Genetic Connec- 

 tion of certain, 291. 



Uredinese, Alternation of Generations 

 in some, 83. 



Urinary Apparatus and Blood-lymph 

 Spaces of the Platodes, 893. 



Urine, Nematode Worms in, 249. 



Xfrocystis coralloides, 281. 



, Formation and Germination of 



the Spores of, 280. 

 Uses of Diatoms, 785. 



of the Study of Diatoms, 512. 



Utricularia and Pinguicula,Crystalloids 



in the Cell-nuclei of, 477. 



Value of Swinging Substages, Q66. 



Van Heurck's Synopsis of Belgian 

 Diatomacese, 648. 



Variegation and Cell-multiplication in 

 a Species of Enteromorpha, 645. 



Varnish, Copal, 541. 



Vasa propria of Phalaris nodosa, 

 268. 



Vascular Bundles, Collateral, in the 

 Leaves of Ferns, 921. 



Fluid, Red, of Chretopods, Occur- 

 rence of Corpuscles in, 738. 



Vaucheria, Studies on, 930. 



Vegetative Reproduction and Move- 

 ments of Diatoms, 509. 



Ve'rick's Dissecting Microscope, 659. 



" Goniometrical Microscope for 



Mineralogy," 812. 



Objective " Extractor," 662. 



Skin Microscope, 516. 



Vermes. See Contents, xiv. 



Vertebrse, Foetal, Purpurine for Stain- 

 ing, 957. 



Vertebrata. See Contents, x. 



Vertical Illuminator, " Opaque " Il- 

 lumination by, 362, 373. 



, Tighlmann's Cylinder-Dia- 

 phragms for, 941. 



Vesicles, Graafian, Development of, 

 217. 



Victoria, Microscopy in, 977. 



Villi, Beaded, of the Lepidoptera Scales, 

 445. 



Vinegar, Manufacture of, by means of 

 Bacteria, 501. 



Virus, Use of small quantities of, in 

 mitigating Elfects of laoculation, 

 500. 



Vision, Microscopical, Abbe Theory of, 



, Aperture, and the Value of 



"Wide-angled Immersion Objectives, 



303, 347, 365. 

 , Microstereoscopic, Conditions of, 



680. 

 Vital Phenomenon, Remarkable, in the 



Adriatic, 785. 

 Vivarium, Hardy's, 671. 

 Viviparous Chirodota, 606. 

 Volvocinea destitute of Chlorophyll 



(Sycamina nigrescens), 97. 



