CONTENTS. Vll 



Page 

 LII. Dredging-Excursiou to Iceland in June and July 1872. By 



T. A. Verkruzen 371 



LIII. On the Structure of the Echinoidea. By Prof. S. Loven. . 376 

 LIV. Contributions to the History of the Hydroida. By the Rev. 

 Thomas Hincks, B.A., F.R.S. (Plate XX. figs. 1-4, & Plate XXI.) 385 

 LV. On Campylonema, a new Genus of Polyzoa. By the Rev. 



Thomas Hincks, B.A., F.R.S. (Plate XX. fig. 5.) 396 



LVI. Notice of some Species of Fishes from the Philippine Islands. 



By Dr. A. Gijnther, F.R.S 397 



LVII. On the Species of Asiatic two-homed Rhinoceros. By 



Edward Blyth, Hon. Mem. As. Soc. &c 399 



Varieties of the Tiara (^Galera harhata), by Dr. J. E. Gray, F.R.S. 

 &c. ; On BrancJiipus and Artemia, by C. Vogt ; On Osteocella 

 septentrionalis from British Columbia, by Dr. J. E. Gray, F.R.S. 

 &c. ; Sowerby and Lear's ' Tortoises ' ; The Ahu ( Capreolm py- 

 gargns), by Dr. J. E. Gray, F.R.S. &c. ; A new British Calli- 

 thamnion, by Dr. J. E. Gray, F.R.S. »&:c. ; On Macroxus tephro- 

 gader, by Dr. J. E. Gray, F.R.S. &c 405—408 



NUMBER LX. 



LVIII, On a new Family and Genus and two new Species of 

 Thelyphonidea. By the Rev. 0. P. Cambridge, M.A,, C.M.Z.S. 

 (Plate XXII.) 409 



LIX. On Balceiioptera patachmiica and B. intermedia. By Dr. H. 

 Btjrmeister 413 



LX. On some new Species of Reptiles and Fishes collected by J. 

 Brenchley, Esq. By Dr. Albert Gxjnther, F.R.S 418 



LXI. On Psammoperca and Cnidon. By Dr. A. Gijnther .... 426 



LXn. On the Structure of the Echinoidea. By Prof S. Loven. . 427 



LXin. On the Guemul {Huamela leucotis). By Dr. J, E. Gray, 

 F.R.S. &c 445 



LXIV. On Crinodes Sommeri and Tarsolepis remicauda, in answer 

 to Mr. Butler's Remarks. By C. Ritsema 446 



LXV. On the Habits and Distribution of Lyeosa ingens (Bl.). By 

 the Rev. O. P. Cambridge, M.A., C.M.Z.S 448 



LXVI. Notice of a large Siluroid from the Upper Amazons. By 

 Dr. Albert Gtjnther 449 



LXVII. Description of some new Species of Birds in the National 

 Collection. By R. Bowdler Sharpe, F.L.S., F.Z.S., &c., Senior 

 Assistant, Zoological Department, British Museum 450 



LXVin. Descriptions of three new Species of Humming-birds. 

 By John Gould, F.R.S. &c 452 



LXIX. On the Nomenclature of the Foraminifera. By W. K. 

 Parker, F.R.S., F.Z.S., and Prof. T. Rupert Jones, F.R.S., F.G.S. 463 



