CONTENTS. Vll 



Page 



XXXVII. Observations on Raphides and other Crystals in Plants. 



By George Gulliver, F.R.S 331 



XXXVIII. Note on the Cretaceous Deposits of Australia. By 

 Frederick M'Coy, Professor of Natural Science in the University 



of Melbourne, and Director of the National Museum of Victoria 333 



XXXIX. On a new Growing Slide for the Microscope. By II. L. 

 Smith, Kenyon College, U.S 334 



XL. Descriptions of recently discovered Species, and Characters of 

 a new Genus, of Araneidea from the East of Central Africa. By 

 John Blackwall, F.L.S 336 



XLI. On two new Plesiosaurs from the Lias. By Harry Seeley, 

 F.G.S., of the Woodwardian Museum, Cambridge. (Plates XIV. & 

 XV.) 352 



New Books : — A History of British Ferns, by Edw. Newman. The 

 Fourth or School Edition. — Chart of Fossil Crustacea, by J. W. 

 Salter and H. Woodward. With Descriptive Catalogue. — Genera 

 Plantarum : auctoribus G. Bentham et J. D. Hooker. Vol. i. 

 Pars 2 359—364 



Proceedings of the Zoological Society 365 



Dr. Sturm's Collection of Objects of Natural History in Nuremberg ; 

 On the Existence of Liquid and Solid Matters in the Trachean 

 Vessels of Plants, by M. T. Lestiboudois ; On the Organization 

 of the Cypridince, by Prof. Claus ; On the Anatomy of Tridacna 

 elongata, by M. Leon Vaillant ; Remarks on the Protective Sheath 

 and on the Formation of the Stem of the Root, by M. R. Caspary; 

 Graduation from " Individual Peculiarities" to Species in Insects, 

 by Dr. B. D. Walsh ; Note on the Cultivation of Eels, by M. L. 

 Soubeiran '677 — 384 



NUMBER XCVI. 



XLII. On the Systematic Value of the Organs which have been 

 employed as Fundamental Characters in the Classification of Mollusca. 

 By Dr. O. A. L. Morch 385 



XLIII. Description of four new Species of Butterflies in the Col- 

 lection of the British Museum. By A. G. Butler, F.Z.S., Assistant, 

 Zoological Department, British Museum 39/ 



XLIV. Remarks on Prof. II. J. Clark's Peridinium cypripedium. 

 By II. J. Carter, F.R.S. &c 399 



