CONTENTS. V 



Page 



XX. Description of \ip/i(ii(/iis jiti/catitts, xar. Forclii. JJy Alois 

 Humbert '. '. 243 



XXI. IIeruiapluoditi.sm amoiijr the Paiasitic Isopoda. Ileply to 

 Mr. Mosek'V's Iloniailcs on tlio (ronerativo Orj^'ans of the Parasitic 

 Isopoda. Jiy J. Bui-lah, li.A., Trinity Collf|,'f, Caiuhridgo 254 



XXII. Additiou.s to the Coleopterous Fauna of 'J'asnmuia. By 

 ClIARLKS O. Wateuhouse '. 2.'50 



New Books: — Ostriches and ()strich-Fannin<r, by Julius de Mosen- 

 thal, t'oiisul-Ciencral of tlie .Soutli-Africiin JJi-piiblics for France, 

 A:c. 1^0., and James lOdnuind llartinji-, F.L.S., F.Z.S., &c. — On 

 the Foraniinifera of Barbadoes (Etuile sur les Foraminiferes de 

 Id Barbade, kc. ), by M. Ernest Vauden Broeck, &c 2o7, 200 



Proceedings of the Geological Society 200 



Note on the Femoral Brushes of the Mrnttidce, by Prof. J. Wood- 

 Mason ; On the IX'velopnient of the ^Vntenniie in tlie Pectinicurn 

 Manfiihr, by Prof J. "\\'ood-]Mason ; On the Power possessed by 

 certain Mites, witli or ■without Mouths, of living without Food 

 through entire Phases of their Existence or even during their 

 whole hives, by M. M^gnin ; Note on the NidiHcation of the 

 Aye-Aye, by ^IM. A. Milne-Edwards and A. Grandidier ; Note 

 on the Phenomena of Digestion and on the Structure of the 

 Digestive Apparatus in the Pkalanf/ida, by Ft^lix Plateau ; The 

 Gourami and its Nest; Zoology of the 'Challenger' Expedi- 

 tion ; Bate of Growth of Corals 209 — 276 



NUMBER CXII. 



XXIII. On the Distribution of Birds in North Eussia. — I. On the 

 Distribution of Birds on the Lower Petchora, in North-east Russia. 



By J. A. IIarvie Brown, F.Z.S 277 



XXIV. Description of some Sponges obtained during a Cruise of 

 the Steam-Yacht ' Argo ' in the Caribbean and neighbouring Seas. 



By Thomas IIiggin, F.L.S. (Plate XIV.) 291 



XXV. On the Strufture of the Lower Jaw in Hhizodopsis and 

 Jihizodus. By R. 11. Traquair, M.D., F.G.S., F.R.S.E., Keeper of 

 the Natural-History Collections in the Museum of Science and Art, 

 Edinburgh 299 



XXVI. Description of a new Form of Op/u'nn'da- from New Zea- 

 land. By Edg.\ii a. Smith, F.Z.S., Zoological Department, British 

 Museum.* (Plate XV.) 305 



XXVII. The Vafes AshmnUanus; of Westwood, the Type of a new 

 Genus of Mantidce. By Prof. J. "Wood-Mason .* 308 



XXMII. Hermaphroditism in the Parasitic Isopoda. Further 

 Ilemarks on Mr. BuUar's Papers on the above subject. By H. N. 

 MosF.LKY, Fellow of Exeter College, Oxford 310 



