VI II CONTENTS. 



Page 



particularly on the AphrocalUstidcs, Aidodictyon, and Fan-eee, toge- 

 ther with Facts elicited from their Deciduous Structures, and 

 Descriptions respectively of three new Species. By H. J. Caeter, 

 F.R.S &c. 437 



LV. Descriptions of New Genera and Species oilleterome7-a,c\ne^y 

 from New Zealand and New Caledonia, together with a Revision of 

 the Genus Ht/paiilax and a Description of an allied New Genus from 

 Colombia. By Frederick Bates 472 



LVI. On the Great Northern Falcons. Rv Alfred Newton, 

 M.A., F.R.S., &c .* 485 



LVII. Descriptions of three new Species of Asiatic Birds. By 

 Arthur, Viscount Waldex, P.Z.S., RR.S., &c 487 



LViri Reply to Dr. J. E. Gray's Observations on certain 

 Species of Sponges described in the ' Proceedings of the Zoolo- 

 gical Society ' for 1873. By Dr. J. S. Bowers axk, F.R.S. &c 488 



New Books : — x^drew Garrett's ' Fische der SUdsee,' beschrieben 

 und redigii-t von Albert C. L. G. Giinther.— The Recent and 

 Fossil Foraminifera of Belgium, by MM. H. J. INIiller and E. 

 Vanden Broeck 491 — 494 



Mr. Albany Hancock ; On a Variety of Cliersina cmfitdata, by Dr. J. 

 E. Gray, F.R.S. &c. ; Fertilization of Pedieuluris canadensis, by 

 Mr. Thomas Meelian ; Fertilization of Pedicularis canadensis, 

 bv Mr. Gentry ; Bos brachijceros, the "West- African Buftalo, and 

 tiie Dwarf Buffalo of Pennant, by Dr. J. E. Gray, F.R.S. &c. ; 

 On the Vascular System of the Ascidia, by Prof. C. Heller. .495—501 



Index 502 



PLATES IN VOL. XII. 



Plate I. New Species of Gummino;e. 



II, Structure of Liugula anatina. 



HI. New Crustaceans. — New Species of Cellepora. 



R''. New Species of Strom at opora. 



V. Osearia Swinhoei. 



VTt' 1'^^'"' Species of Phrynus. 



y-v-' L Marine Copepoda. 



X. New Species of Synocladia. 

 XI. Arclisedii^us Karreri. 

 XII. Sterna of voiing Tortoises. 

 XIIL^ 

 XIV. 



XV. \ Structure of the Hexactinellid.ie and Lithistidfe. 

 XVI. 

 XVII. 



