VI CONTENTS. 



Page 

 XLII. On the .Mecliaiucul Gone.sis of the Scales ;)f Fi^^he^. ]ly 



John a. Rydeii 243 



XIJII. Upon the Identity of some of the Types of Diplopoda con- 

 tained in the Collection of the British Museum, together with Descrip- 

 tions of some new Species of Exotic lulidcc. By R. I. Pocock. 



(Th^te XVI.) 5>48 



XIJV. Descriptions of some new Genera and Species of Lonfficorn 

 Coleoptera. By C. J. Gahan, M..\., of the Brit. Mus. (Nat. Hist.). 254 



I'l-oceedings of the Geological Society 259, 2(30 



The Dates of Moore's ' Lepidoptera Indica,' by C. Davies Sherborn ; 

 Diffuse Pigmentation of tlie Epidermis of the Oyster due to pro- 

 lon"'ed exposure to the light : Regeneration of Shell and Loss oi 

 Adductor Muscle ; The Hermaphroditism and \'iviparity of the 

 Ovsters of the North-west Coast of the United States ; Large 

 Vaii itions in the Metamorphosis of the same Species ; Absorp- 

 tion in the Actinice and the Origin of the Mesenterial Filaments, 

 by Victor Willem, Assistant in Zoology at the Univ. of (Thent ; 

 On I'hagocytosis observed, in the living Animal, in the Gills of 

 Lamellibranch Mollu^ca, by M. de Bruyne 200 —260 



NUMBER LXIV. 



XLV PreHminary Account of the Freshwater Medusa of Lake 

 Tanganyika. By R. T. GiJNTHER, B.A. (Plates XIII. & XIV.) . . 209 



XLVI. Notes on a Specimen of Sowerby's Whale (Mesoplorlon 

 l,i(h'Hs), stranded on the Norfolk Coast. Bv T. Southwell, F.Z.S., 

 and Sidney F. IIarmer, M.A., F.Z.S. (Plate XV.) 275 



XLVII. Note on the Genera Geothauma and Gyrostropha. By 

 Ekgar a. Smith 284 



XLVII I. On the Variety cinereo-niyer, Wolf, ofLi»ra.v maximus, L. 

 By Walter E. Collinge, Demonstrator of Biology in Mason 

 College, Pdrmingham 286 



XLIX. On some Japanese ^caphidiidce. By G. Lewis, F.L.S. . . 288 



L. Descri])tion of a new Transitional Form of Onu'i/iopfera be- 

 longing to the Subgenus Priamoptera. By Robert II. F. Riim-on. 294 



LI. 'Sote on Apfery.vIIaastii. By the Hon. Walter Rothschild. 299 



LII. Contributions to the Development of the Tooth-Rudiments 

 in Rodents. By Paul Freund 301 



LIII. On the Habits of a Species of Tn'yona. By J. H. Hart, 

 F.L.S., Royal Botanic Gardens, Trinidad 327 



LIV. Description of Two new " Pocket-Mice " of the Genus Hete- 

 romys. By Oldfjeld Thomas 329 



LV. AnewPedalion. ByW.T.CALMAX, UniversityCollege,Dundee. 3:32 



Keic liooli .— Britiph New Guinea. By J. P. Thomson 334 



Classification of the Pelecypoda. — I^raendatory Note, by B. B. Wood- 

 ward, F'.fi.S. &c. ; a' Contnbution to the Developmental Cycle 

 of the Conipound .\scidians, by Johiin Fljort, of Chiistiania ; The 

 Develoinnent of the Intestinal Gregariiies of Marine Worms, by 

 M. Louis Leger ' '5;}o -3;i0 



