CONTENTS. 



PAGE 



Sea Lilies. By Pbofessoe Wyville Thomson-, LL.D.,F.R.S.E., F.G.S., 



M.R.I.A., etc. With a Tinted Mate 1 



Missing- Chapters of Geological History. By Professor D. T. 



Ansted.F.RS 12 



On the Besting Spores op Certain Fungi. By the Rev. M. J. Berke- 

 ley, M.A., F.L.S. With a Tinted Plate 31 



Browning's New Aneroid Barometer 38 



kuhlmann on crystallizations 43 



Aids to Microscopic Inquiry 44 



Mr. Brooke on Deep Objectives 48 



Results of Meteorological Observations made at the Kew 



Observatory. By G-. M. Whipple 52 



Double Stars.— Colours of Stars. By the Rev. T. W. Webb, A.M., 



F.R.A.S 58 



The Swan-Mussel and its Anatomy. By the Rev. W. Houghton, 



M.A., F.L.S. With a Tinted Plate 67 



Aids to Microscopic Inquiry. — II. Capillary and Surface Actions... 75 



Standard Gold and Silver Trial Plates. By Joseph Newton 82 



On Coloured Yision Produced by Santonine. By Dr. Phipson, F.C.S. 



London, etc 88 



Instincts and /- Habits op Bees. By Shirley Hibberd 94 



Attempts to Foretell the Weather 103 



Colours of Stars. — Clusters and Nebulae. By the Rev. T. W. Webb, 



A.M., F.R.A.S 108 



Anglo-Saxon Pottery. By Thomas Weight, F.S.A. With a Coloured 



Plate and other Illustrations 119 



Ross's New One-Twelfth. — The Requisites for High Powers 128 



Comets. By G-. F. Chambers 131 



Ephemera, the May-Fly. By the Rev. W. Houghton, M.A., F.L.S. 



With Two Plates .,. 147 



The Thread-Mosses. By M. G. Campbell. With an Illustration 155 



Aids to Microscopic Inquiry. — III. Heat and Organization 163 



The Rhinoceros in Bhotan. By R. C. Beavan, Lieut. Bengal Survey.., 170 



Irish Volcanoes. By Professor D. T. Ansted, F.R.S 174 



Natural History of Entozoa. With Illustrations 190 



On Constructing Geological Models. By the Rev. J. D. La Touche.. 199 



The Beethon Telescope Stand. With an Illustration 203 



The North-West Lunar Limb. — Clusters and Nebula. — Occulta- 



tions. By the Rev. T. W. Webb, A.M., F.R.A.S 204 



Principles of Photography. By J. W. M'Gauley 212 



Roman Samian Ware. By Thomas Wright, F.S.A. With a Coloured 



Plate and other Illustrations 227 



Spectroscope Apparatus. With an Illustration 238 



Results of Meteorological Observations made at the Kew 



Observatory. By G. M. Whipple 246 



Vegetable Mortars. By the Rev. M. J. Berkeley, M.A., F.L.S. With 



a Tinted Plate 252 



The North-West Lunar Limb {continued) .—The Achromatic Telescope 



— Occultation. By the Rev. T. W. Webb, A.M., F.R.A.S 257 



Lost in the Bush. By the " Old Bushman " 263 



Experiments in Crystallization „. 267 



The Peoduction and Waste of Money. By Joseph Newton , 269 



