iv Contents. 



PAGE 



Powell and Lealand's ^ th: 276 



A Balcony Observatory. By Henry J. Slack, F.G.S 278 



Bee-Keeping, by "The Times "Bee Master 281 



Habits or the Diadem Spider. By Jonathan Couch, F.L.S., etc 285 



The Daguerreotype Photography — Processes and Precautions. By 



J. W. M'Gauley 291 



Comets. By G. F. Chambers 299 



Mimetic Analogy. By W. B. Tegetmeier. With a Coloured Plate ... 308 

 An Indian Building Insect (Pelopceus Madraspatanus) . By P. C. 



Beavan, Lieut. Bengal Surrey 314 



The Domestication oe Animals in the Middle Ages. By Thomas 



Wright, F.S.A .* 318 



Dr. Beale's Preparations for the Microscope 327 



The Jungermannia Section or Genus oe Liverworts, Fruiting in the 



Winter Months, By M. G. Campbell. With Two Illustrations . . . 330 

 The Parasites of the Cockroach. By E. Pay Lankester. With a 



Tinted Plate 337 



Clusters and Nebula. — Double Stars.— The Planet Mars.— Occul- 



tations. By the Rev. T. W. Webb, A.M., F.R.A.S 343 



The Decay of Wood Carvings 352 



On the Influence of Water and Ice in Forming the Physical Fea- 

 tures of the Earth. By Professor D. T, Ansted, M.A., F.P.S ... 354 



Zoological Classification 362 



Comets. An Account of all the Comets whose Orbits have not 



been Calculated. By G. F. Chambers 373 



Celestial Chemistry, and the Physical Constitution of the Stars 

 and Nebul2e. By Thomas W, Burr, F.R.A.S., F.OS. With a 



Coloured Plate 387 



On the Formation of Bottom Ice in Salt and Fresh Water. Trans- 

 lated from the Swedish by " An Old Bushman " 405 



The Thick Coal of South Staffordshire. By J. Jones, Sec. Dudley 



Geological Society 412 



Notes on Some of the smaller Rodents found in North-West 



America. By J. K. Lord, F.Z.S 417 



The Great Water-Beetle {Di/ticus marginalia). By Rev. W. Houghton, 



M.A., F.L.S. With a Tinted Plate 422 



Aids to ■ Microscopic Inquiry. — IV. Notes on Organic Chemistry ... 428 

 Crystals for the Micro-Polariscope. By Harry Napier Draper, 



F.C.S 437 



Substitutes for an Observatory. By the Rev. N. S. Heineken 444 



Herschel's Catalogue of Nebula. — The Achromatic Telescope. — 

 The Planets of the Month. — Occultations. By the Rev. T. W. 



Webb, A.M., F.R.A.S 446 



Literary Notices. — Quatrefages' " Metamorphoses of Man," 137; Abbott's 

 "Sight and Touch," 138; Commander Maury's "Physical Geo- 

 graphy," 140 ; Page's " Text Book of Physical Geography," 141 ; 

 Wood's " Homes without Hands," 141, 380 ; Russell's "The Salmon," 

 141 ; Dr. Thomson's " Wayside Weeds," 142 ; Darling's " Metric 

 Tables," 142 ; Ramsey's " Geology and Geography of Britain," 142 ; 

 Temple's " The Temple Anecdotes," 143 ; Danby's " Astronomical 

 Observer," 378; Dr. Hodgson's " Education of Girls," 379; Griudon's 

 "British Botany," 379; "Astronomical Register, " 379 ; "Canadian 



Naturalist," 380 ; " Anthropological Review " '. 380 



Abch.eologia. — Discoveries at Bath and Richborough, 217 ; Barrows in 

 Yorkshire and Scotland, Anglo-Saxon Cemetery at Sarr, 300; Kitchen 

 Middens of Caithness, 456 ; Remains found in early cist at Muckle 



Heog, 457 ; Excavations at Jewry Wall, Leicester 458 



Proceedings of Learned Societies. — Anthropological, 381, 461; British 

 Association, 219, 302 ; Bristol Naturalists', 65 ; Chemical, 381 ; Ento- ; 

 mological, 63 ; Ethnological, 61 ; Geographical, 62, 382, 462; Geolo- 

 gical, 62, 459 ; Geological of Glasgow, 459 ; Linmcan 143 



