IV CONTENTS. 



CONTENTS or No. LXXIV, N.S., APEIL, 1879. 

 MEMOIRS : 



PAGE 



■ Observations on the Structure of Cells and Nuclei. By E. Klein, 



M.D., F.R.S. (With Plate VII) . . . .125 



On the Apical and Oral Systems of the Echinodermata. By P. 

 HekbebtCakpentee, M.A., Assistant Master at Eton College. 

 Part II. 176 



The Development of the Eartli-worm, Lumbricus Trapezoides, 

 Duges. By Nikolas Kleinenbeeg. (With Plates IX, X, XI) 206 



The Nematoid Heematozoa of Man. By Timothy Richaeds 

 Lewis, M.B. (With Plate XII) . . . .245 



CONTENTS OP No. LXXV, N.S., JULY, 1879. 



MEMOIRS ; 



Notes on Some of the Reticularian Rhizopoda of the " Chal- 

 lenger" Expedition. By Henky B. Brady, F.R.S. (With 

 Plate VIII) 261 



The Morphology of the Vertebrate Olfactory Organ. By A. 

 MiLNEs Marshall, M.A., D.Sc, Eellow of St. John's 

 College, Cambridge. (With Plates XIII, XIV) . . 300 



On the Brain of the Cockroach, Blatta OrieidaJis. By E. T. 

 Newton, H. M. Geological Survey. (With Plates XV, XVI) 340 



The Microphytes which have been found in the Blood, and their 

 Relation to Disease. By Timothy Richards Lewis, M.B., 

 Surgeon Army Medical Department ; Eellow of the Calcutta 

 University. (With Plate XVII) . . . .356 



• Observations on the Glandular Epithelium and Division of Nuclei 

 in the Skin of the Newt. By E. Klein, M.D., F.R.S. (With 

 Plate XVIII) 404 



On the Early Development of the Lacertilia, together with some 

 Observations on the Nature and Relations of the Primitive 

 Streak. By F. M. Balfour, M.A., F.R.S., Fellow of Trinity 

 College, Cambridge. (With Plate XIX) . . .421 



On Certain Points in the Anatomy of Peripatus Capensis. By F. 

 M, Balfour, M.A., F.R.S. . . . . .431 



