CONTENTS, 



PAGE 



The Mexican Zodiac. By William Bollaebt, F.R.G-.S., Correspond- 

 ing Member of the University of Chile, etc. With a Tinted Plate 1 



Geological Woke of Fbost and Fibe 9 



Photogeaphy at Gbeenwich Obseeyatoby. By Thomas W. Bube, 



F.R.A.S., F.C.S 12 



Lunab Details.— Colours of Stabs. By the Rev. T. W. "Webb, A.M., 



F.R.A.S 28 



An Excuesion to the Crag- Disteict. By Henry Woodwabd, F.G.S., 



F.Z.S., of the British Museum. With a Coloured Map 33 



Results of Meteoeological Obseevations made at the Kew Obsee- 



vatoey. by g. m. whipple 42 



Aids to Micboscopic Inquiey. — No. VI. — The Illumination of 



Objects 48 



The Planet Satuen , 54 



Is Light Impondeeable ? 68 



"Snail Leeches," with a Monogeaph of the Beitish Species. By 



the Rev. W. Houghton, M.A., F.L.S. With Two Plates 81 



The Exhibition of Miniatuees at South Kensington. By W. M. 



ROSSETTI 91 



The Weathee. By A. S. Heeschel, B.A 100 



Aids to Micboscopic Inquiey. — No. VII. — Haibs of Plants Ill 



Submabine Teligeaphy. By Richaed Bithell, B.SC, PH.D. With 



Five Illustrations 115 



Comets : an Account of all the Comets whose Oebits have not 



been Calculated. By G. F. Chambees 125 



The Cattle Plague and Scientific Investigation 127 



Celestial Photogeaphy. — Engelmann on Double Staes. — Ceimson 



Stab. By the Rev. T. W. Webb, A.M., F.R.A.S 133 



Remaeks on Satuen. By Richaed A. Peoctoe 143 



Roman Potteey. — The TJpchuech Waee. By Thomas Weight, 



F. S . A. With a Coloured Plate and Two Illustrations 161 



Chacoenac on the Volcanoes of the Sun 166 



The Exhibition of Miniatuees at the South Kensington Museum. 



By W. M. Eossetti. {Concluded.) 169 



Remaees on the Steuctuee and Actions of the Ieis of the Eye 



in some Species of Fishes. By Jonathan Couch, F.L.S. , etc 180 



Notes on Fungi— 1S t o. IV. By the Rev. M. J. Beekeley, M.A., F.L.S. 



Rose-Spoeed Musheooms. With a Coloured Plate 183 



On the Change of Plumage in the Common Crossbill (Loxia 



Cuevibostea), with a Few Remaeks on theib Beeeding and 



othee Habits. By "An Old Bushman." 188 



A New Angle Measueeb. By the Rev. N. T. Heineken. With an 



Illustration 197 



Pbofessoe Houghton's Geology 199 



Dayaine on Vinegae Eels 206 



