IV CONTENTS. 



Page 

 New Hook : — A Monofjmpb of the Land aud Fresliwater MoUiisca of 



the British Isles, liy John W. Taylor. Part 1 126 



Oh tlie Einbrvolojry of Gehia littoyalix, by P- Butschinsky, of the 

 Univi'ivitv of Odessa; On (iill-likc Or^Mns in certain Species of 

 Sipuundus, by Dr. AV. Fisclier, of Bergedorf 128, 131 



NUMBER LXXXVI. 



XIV. On tlie Luminosity of Midges (Chironomidm). By Peter 

 ScHJriDT, of tlie Zoological Laboratory of the Imperial University at 



St. Petersburg 133 



XV. Description of a new Eagle-Rav from Muscat. By G. A. 



BOCTLKNGEU, F.K.S ' 141 



XVI. On the Devonian Ichthyodorulite, Byssacanthus. By A. 

 Smith Woodward, F.L.S 142 



XVII. On T/iecodonfosawns and. Pal(^osawus. By H. G. Seeley, 

 F.Pv.S ' 144 



XVIII. Descriptions of Four new Species of Terrestrial ^loUusca 

 from South Africa. By Jaiies Cosmo Mf.lvill, M.A., F.L.S., and 

 JoHx Hexky PoNSONijY, F.Z.S. (Plate XII.) 163 



XIX. On a Xew and Natural Grouping of some of the Oriental 

 Genera of Min/ahmorphcp, with Descriptions of new Genera and 

 Species. By R. I. Pocock. (Plate X.) 165 



XX. List of the Freshwater Fishes collected by Mr. A. Everett on 

 Palawan and Balabac. By G. A. Boulenger, F.R.S 185 



XXI. Diagnoses of Two new East-African Mammals. By Old- 

 field Thomas 187 



XXII. An Analysis of the Mammalian Generic Names given in 

 Dr. C. W. L. Gloger's ' Naturgeschichte ' (1841). By Oldfield 

 Thomas 189 



XXIII. Descriptions of new Coleoptera from New Zealand. By 

 Captain Thos. Broun 194 



On some Insects collected in the State of Chihuahua, Mexico, by 

 T. D. A. Cockerell, Entomologist of the New Mexico Agricul- 

 tural Experinieut Station ; On the Nutrition of Two Commensals 

 {Ncreiiepaf, aud Pinnotheres), by M. Henri Coupin 204, 210 



