CONTENTS. VI 1 



Page 

 Notes on the Varieties of the Western-American Weasels, by Dr. J. 

 E. Gray, F.R.S. &c. ; On the Eneystation of Bucephalus Ilai- 

 meanus, by M. A. Giard; Note on the Enemies of Diffiu-gia, by 

 J. Leidv ; On the Colour of the Kittens of the Species of Cats 

 (Felidce), by Dr. J. E. Gray, F.R.S. &c; A Scarlet Ear Shell, 

 probably Artificial, by Dr. J. E. Gray, F.R.S. &c. ; Descriptions 

 of two new Species of Fishes from the Bermuda Islands, by G. 

 Brown Goode ; on the Embryogeuy of the Rhizocephala, by M. 

 A. Giard ; Notice of some new Freshwater Rhizopods, by J. 

 Leidy; On the Skull of the Leopard (Leopardnx pardtis), by 

 Dr. J. E. Gray, F.R.S. &c. ; On the Ethology of Sacculina car- 

 cini, by M. A. Giard ; A Record of Geological Literature . . 374 — 388 



NUMBER LXXXIV. 



L. Development of the Marine Sponges from the earliest recog- 

 nizable Appearance of the Ovum to the Perfected Individual. By 

 H. J. Carter, F.R.S. &c 389 



LI. Description of a new Helix from Southern India. By W. T. 

 Blanford, F.R.S 406 



LII. Notes on the ALgeriid<e, with Descriptions of new Genera 

 and Species. By Arthur Gardiner Butler, F.L.S., F.Z.S., 

 Senior Assistant, Zoological Department, British Museum 407 



LILI. On the Invertebrate Marine Fauna and Fishes of St. 

 Andrews. By W. C. M'Intosh 412 



LIY. On a Collection of Hemiptera Heteroptera from Japan. 

 Descriptions of various new Genera and Species. By John Scott . 426 



LV. Descriptions of new Species of Fishes in the British Museum. 

 By Dr. Albert Gunther, F.R.S. &c 453 



LVI. Further Instances of the Sponge-Spicule in its Mother Cell. 

 By H. J. Carter, F.R.S. &c. (Plate XXI. figs. 26 & 27.) 456 



LVII. Note on the Planula- or Gastrula-^hase of Development in 

 Mollusca. By E. Ray Lankester, M.A 458 



New Book : — Evenings at the Microscope ; or Researches among the 

 Minute Organs and Forms of Animal Life, by Philip Henry 

 Gosse, F.R.S 460 



Note on Ablepharus pusillns, by W. T. Blanford ; The Winged Fruits 

 of the Carboniferous Genus Cardiocarpus ; Remarks on the 

 Fishes of the Algerian Sahara, by M. P. Gervais; On Fossil 

 Evidences of a Sirenian Mammal (Eotherium cegypiiacum, Ow. ) 

 from the Nummulitic Eocene of the Mokattam Cliffs, near 

 Cairo, by Prof. Owen, F.R.S., F.G.S., &c. ; Coal of the Car- 

 boniferous Era not made of Bark 461 — 463 



Index 464 



