CONTENTS. V 



I'ape 

 Proceedings of the Royal Society 104 



Further Additions to the Ichthyological Fauna of Zanzibar, by Dr. 

 A. Giinther ; On the Skull of the Spectacled Bear of Peru and 

 of the Helarctos from Malacca and Java, by Dr. J. E. Gray, 

 F.R.S. &c. ; On the Appearance of Danais Archippus in Aus- 

 tralia, by Frederick M'Coy ; On the Habits of unequal Bivalve 

 Shells, by Philip B. Mason, M.R.C.S., F.L.S. j On the Skeleton 

 of Koyia Macleayii, by Dr. J. E. Gray, F.R.S. &c; A partial 

 Comparison of the Conchology of Portions of the Atlantic and 

 Pacific Coasts of North America, by Robert E. C. Stearns ; The 

 Megalops Stage of Ocypoda, by S. I. Smith ; The Torpedo or 

 Electrical Ray, by R. Damon ; On a Salamander (Sieboldia) 

 from Shanghai, by Dr. J. E. Gray, F.R.S. &c. ; The Ribbon 

 Seal of Alaska, by T. Gill 182—188 



NUMBER LXIX. 



XXIV. On a new Species of Synocladia from the Carboniferous 

 Limestone Series of Midlothian. By R. Etheridge, Jun., F.G.S. 

 (Plate X.) 189 



XXV. On the Longicorn Coleoptera of Japan. By H. W. Bates, 

 F.L.S 193 



XXVI. On the Primary Divisions of the Brachiopods. By Theo- 

 dore Gill, M.A., M.D., Ph.D 201 



XXVII. Notes on the Siliceous Spicules of Sponges, and on their 

 Division into Types. By Dr. J. E. Gray, F.R.S. &c 203 



XXVni. Note respecting the Tracheal Pouch of the Emu. By 

 Millen Cougiitrey, M.B., Demonstrator of Anatomy, Liverpool 

 Royal Infirmary School of Medicine 217 



XXIX. List of Lepidoptera in a small Collection sent from Peru 

 by Mr. Whitely, with Descriptions of the new Species. By Arthur 

 Gardiner Butler, F.L.S., F.Z.S., &c 218 



XXX. Additions to the Australian Ciirculionidce. Part V. By 

 Francis P. Pascoe, F.L.S. &c 230 



XXXI. Report on a Collection of Fishes from China. By Dr. 

 Albert Gunther, F.R.S., Assistant Keeper of the Zoological 

 Department, British Museum 239 



XXXII. Remarks on certain Species of Mollusca described and 

 figured in the ' Microdoride Mediterranea ' of Prof. 0. G. Costa. By 

 the Marquis de Monterosato 251 



XXXUI. On the Black and Ashy-grey Double-horned Asiatic 

 Rhinoceroses (Ceratorhinus sumatrensis, C. niger, and C. lasiotis). 

 By Dr. J. E. Gray, F.R.S. &c 252 



XXXIV. Descriptions of new Species of Fossorial Hymenoptera in 

 the Collection of the British Museum, and of a Species of the rare 

 Genus Iswara belonging to the Family Dorylidce. By Frederick 

 Smith, Assistant in the Zoological Department of the British 

 Museum 253 



New Books: — Researches in Zoology, illustrative of the Structure, 

 Habits, and Economy of Animals, by John Blackwall, F.L.S. — 



