IV CONTENTS. 



Page 



XI. Descriptions of three Species of Doryjihora from Peru and the 

 Amazons. Bj J. S. Baly, F.L.S 86 



XII. On the Structure of Hallphysema Tumanoiciczn. By E. 

 Parfitt 88 



Proceedings of the Geological Society 90 



On the Classiiication of the Stellerida, by M. C. Viguier ; On the 

 Aerial Respiration of some Brazilian Fishes, by Prof. Jobert, 

 report by Prof. Milne-Edwards ; Fossil Mammal from the 

 Jurassic of the Rocky Mountains, by Prof. 0. C. Marsh ; on a 

 rare Form of the Hepatic Organ in the Vermes, by M. J. 

 Chatin ; Wartelia, a new Genus of Annelids, erroneously 

 regarded as Embryos of Terehellee, by M. Giard ; On the Mol- 

 luscan Fauna of New Guinea, by M. C. Tapparone-Canefri ; On 

 a remarkable new Generic Type of Characins, by Theodore 

 Gill : 108—1 12 



NUMBER VIII. 



XIII. Studies on Fossil Sponges. — II. Lithistidse. By Karl 

 Alfred Zittel 113 



XIV. On Bellidia Iluntii of Gosse. By C. Spence Bate, F.R.S. 135 



XV. Characters of four new Longicorn Coleoptera from Borneo. 



By Oharle-s O. Waterhouse 136 



XVI. Note on Cetnnia opalina, L. & G., with a Description of an 

 allied Species. By Charles 0. Waterhouse 138 



XVII. Notes on the Embryology of Sponges. By W. Sa\t:lle 

 Kent, F.L.S., F.Z.S., &c. (Plates Vl. & VII.) . . . .' 139 



XVIII. Parasites of the Spongida. By H. J. Carter, F.R.S. &c. 157 



XIX. Measurements of the Red Blood-corpuscles of the American 

 Manatee {Manatiis ame7ncanus) and Beluga leucas. By George 

 Gulliver, B.A., Pemb. Coll. Oxon ' ." 172 



XX. Note on Tethea muricata, Bowerbank. By H. J. Carter, 

 F.R.S. &c 174 



XXI. Descriptions of several new Species of Lepidoptera in the 

 Collection of the British Museum. By Arthur G. Butler, 

 F.L.S. &c 177 



XXII. Preliminary Notices of Deep-Sea Fishes collected during 

 the Voyage of H.M.S. 'Challenger.' By Dr. Albert Gunther, 

 F.R.S., Keeper of the Zoological I)epartment^ British Museum .... 179 



