988 



INDEX. 



Dry Objective, the Shadbolt, and the 



Stokes Immersion, 333. 

 Preparations, Samper's Method 



for, 706. 

 Duncan, Prof. P. Martin, On a Radio- 



larian and some Microspongida from 



considerable depths in the Atlantic 



Ocean, 173. 



■ , On some remarkable En- 

 largements of the Axial Canals of 

 Sponge Spicules and their Causes, 

 557. 



"Dusts," Organic, of the Atmosphere, 



89. 

 DysideidsB and Phoriospongise, 66. 



E. 



Ear of Ganoids, 429. 



Early Stages of Renilla, 255. 



Echinoidea, New, 251. 



, Observations on, 744. 



of the ' Challenger ' Expedition, 



895. 



of the ' Gazelle ' Expedition, 464. 



, Perivisceral Fluid of, 251. 



Echinodt-rmata. See Contents, xvi. 



Echinoderm-larvfe, Mounting, 961. 



Echiurida, Segmental Organs of, 45. 



Echiurus Pallasii, Organization of, 245. 



Edriophthalmous Crustacea, Circulat- 

 ing Apparatus of, 453. 



Egg-capsules, &c.. Structure and Hatch- 

 ing of, in Mantis, 884. 



Elaphomyces grauulatus. Parasitism of, 

 86. 



Elvellacei, Spore-dififusion in the larger, 

 279. 



Ely, Isle of, Foraminiferous Silt Banks 

 of, 473. 



Embryo of Grasses, Development of, 

 767. 



■ of Planorbis, 25. 



Embryology and Histology of the 

 Phanerogamia. See Contents, xviii. 



of the Vertebrata. See 



Contents, x. 



Embryo-sac, Development of, 620. 



Embryos, Chick, Mounting whole, 961. 



Enriocranium and Maxillary Suspen- 

 sorium of the Bee, 729. 



Endogenous Shoots in Algje, Forma- 

 tion of, 2s9. 



Endopl lytic Algae, 801. 



Endoproct Bryozoa, Segmental Organs 

 of, 233. 



Endosperm-cells, Open Communication 

 between, 70. 



Enteromorpha, Variegation and Cell- 

 multiplication in a Species of, 645. 



Entomophthora-forms, New, 281. 



Entomostraca, new Species of, 455. 



Entozoic Vermes, 457. 



Epeira, Anatomy of, 598. 



Ephemerid Larvae, Dorsal Blood-vessel 



of some, 37. 

 Epidermis and Eete Malpighii in Young 



Fowls, Structure of, 577. 



■ of Salamander, 218. 



Epithelial Cells and Nuclei, Formation 



of, 16. 

 Epithelium, Gastric, 16. 



of the Human Stomach, 225. 



Equisetum, Hibernating Prothallia of, 



922. 

 Ergot, 492. 

 Erodium, Contrivances for Insect 



Pollination in, 485. 

 Essence of Homogeneous Immersion, 



131, 526. 

 Estimation of Aperture in the Micro- 

 scope, 388. 

 Eudendrium, Development of the Ova 



of, 256. 



, Formation of Ova in, 470. 



Euglypha alveolata. Fission of, 618. 



, Reproduction of, 69. 



Euplectella aspergillum, Soft Parts of, 



899, 

 European Harpidia, 488. 



■ Species of Eadula, 923 



Sphagnaceae, 773. 



Evergreen Plants, Action of Frost on, 



483. 

 Examining, &c., Objects. See Contents, 



xxix. 

 Excretory Apparatus of the Turbellaria, 



460. 

 • Organs of Trematoda and Ces- 



toda, 47, 602, 741. 

 Explosive Stamens, 268. 

 Eyelike Spc.ts of Fishes, 578. 

 Eye of Pecten, 230. 



of Planarians, 605. 



Eye-piece, Abbe's Stereoscopic, 298, 



689. 



, Fine Adjustment by, 816, 



, Kelner, and Equilateral 



Prism as a Means of Illumination, 

 858. 

 Telescopic, Miller's Micro- 

 scope with, St35. 

 Eye-pieces and Substages, Standard 

 Gauges for, 975. 



• , Gundlach's Periscopic, 659. 



Shade for Monoculars, 518. 



Eyes of Myriapods, 38. 



, Simple, of some Mollusca, 724. 



F, 



Fallacies, Angular-Aperture, 326, 



, Illumination, 330, 



in Practical Construction, 337. 



