INDEX. 



1007 



Rotifer, a new, Anuraa longisnina, 



157 

 Eotiferous Genus, Peflalion, Is it not 



synonymous with Hexarthra? 384, 



386. 

 Rotifers. CEcistes umbella and other, 1. 

 Royal Society Conversazione, 473. 

 Roy Microtome, 7t)8. 

 Roystoii-Pigott, Dr., Further Inquiry 



into the Limits of Microscopic Vision, 



&c., 9. 

 Rubin cese, Hot-house, New Diseases of, 



572. 

 Russell, J. C., Description of a new 



Form of Cnmera Lucida, 2.t 

 Russia, Northern, Protozoa of, 276. 

 Rutiey's Petrological Microscope, 470. 



Sac, Embryonal, Development of, 305. 

 Sagitella (Wagner), 425. 

 Salpidffl, Development of, 551. 

 Salvinia natans, Prothallium of, 753. 

 — — , Development of the Prothallium 



of, 918. 

 8ap, Ascent and Circulation of, 147. 



, Rain of, 753. 



Scale of a Species of the Genus Mormo, 



Structure of, 810. 

 Scales of the Lepidoptera, 866. 

 Schizseaceaj, Germination of, 451. 

 Schobl's Dissecting Microscope, 956. 

 Schwendenerian hypothesis and Vitri- 



cole Lichens, 929. 

 Sclerotia, Development of, 758. 

 Sclerotiiim Oryzaj, 600. 

 Scolopendra, New, 712. 

 Screw, Society, and Slides, Size of, 163. 

 Scum, Floating Algae forming, on the 



Surface of Water, 310. 

 Searching for Trichinas, 465. 

 Sea^^onal Dimorphism in Lepidoptera, 



298. 

 Sea-water Aquaria, Aerating Appa- 

 ratus of, Improvement in, 326. 

 Section - cutting Machine, Matthews', 



957. 

 Sections, Microscopic, Employment of 



Wet Collodion for, 460. 

 ■ , Method of representing an 



Object from, 71. 

 , New Method of preparing a 



Dissected Model of an Insect's Brain, 



from, 84. 

 Segmental Organ in the Endoproct 



P.dyzoa, 301. 

 Organs and Borly-eavity of the 



Sedentary Annelids, 731. 



of the Capitfllidaj, 733. 



Segmentation in "Worms and Pulmo- 



natcs, 877. 



Segmentation of Ovum in Helix aspersa, 



405, 854. 

 Seller's IMeclianical Microtome, 328. 



Staining Processes. 613. 



Seminal Integuments of Gymnosperms, 



911. 

 Sense-organs of Insects, 865. 



, New (Auditory), in Insects, 



45. 

 Serpents, Poison of, Bacteria in, 



189. 

 Serpula, Gills of, 570. 

 Sexes, Dissimilar, Butterflies with,,867. 

 Sexuality of the Ascomycctes, 454? 

 Sexual Organs, Abnormal, in the Horse- 

 Leech, 156. 



of Teleostei, 6;)4. 



Process in Diatoms, 93. 



Products in Hydroids, Origin of, 



66. 

 Sliell of the Egg, Fungi found within, 



315. 

 Shells, Land, of Californian and Mexi- 

 can Islands, 861. 



of the Cephalopoda in relation to 



the Body of their Constructor, 703. 

 Shoot, first vegetative, of Equisetum 



{laliistre. Production of, 597. 

 Shrew, Tape-worm of. Life-history of, 



575. 

 Silkworm, Development of, 409. 



, Spinning Glands of, 297. 



Siphoneaj, Verticillate, Fossil Algae be- 

 longing to, 936. 

 Siphoiiocladaceaj, a new Group of green 



AlgjB, 606. 

 Siphonophora, Deep-sea, 278, 432. 

 Siphons and Tetiaspores in Polysi- 



phonin, Formation of, 932. 

 Size of Histological Preparations, 329. 



of Society Screw and of Slides, 



163. 

 Skeleton of the Alcyonaria, 279. 



of the Asteriada;, 428. 



Skin, Connective-Tissue Bundles of, 



Method of Isolating, 323. 

 Slack, H. J., the President's Address, 



113. 

 Slides, Microscopical, of Lichens, 604. 



, Size of Society Screw and, 163. 



Slide, Weber, 55. 



Smith's (Hamilton) " Universal Aper- 



tometer," 775. 

 Snare of Basilica Spider, 559. 

 Soap as an EmbLdding Substance, 940. 

 Societies, " Microscopical," and " Mi- 

 croscopy," 329. 

 Society, Female Microscopical, 472. 



, Postal Microscopical, 180. 



Soda, Assimilation of. by Plants, 443. 

 Solenophorus megalocephalus, Excre- 

 tory Apparatus of, 284. 



3 X 



