iv CONTENTS. 



PAGE 



On the Life-History of Pedicellina. By Sidney F. Harmer.B.A., 

 B.Sc, Fellow of Kind's Colleg?, Cambridge, and of University 

 College, London. (Willi Plates XXI and XXII) . . 239 



Dr. Dohrn's Inquiries into the Evolution of Organs in the Chordata. 



By J. T. Cunningham, B.A., F.R.S.E 265 



REVIEW : 



Patien on the Eyes of Molluscs and Arthropods . . . 285 



CONTENTS OE No. CVII, N.S., JANUARY, 1887. 



MEMOIRS : 



The Anatomy of the Madreporarian Coral Fungia. By Gilbert 

 C. Bourne, B.A., F.L.S., New College, Oxford. (With Plates 

 XXIII, XXIV and XXV) 293 



On Some Points in the Development of Petromyzon fluviatilis. 

 By Arthur E. Shipley, B.A., Christ's College, Cambridge, 

 Demonstrator of Comparative Anatomy in the University. (With 

 Plates XXVI, XXVII, XXVIII and XXIX) . . .325 



The Ammoniacal Decomposition of Urine. By Wm. Robert 

 Smith, M.D., D.Sc, F.R.S.Ed., Examiner in Chemistry and 

 Forensic Medicine, University of Aberdeen. (With Plate XXX, 

 figs. 1 and 2) 371 



Notes on Echinoderm Morphology, No. X. On the Supposed 

 Presence of Symbiotic Algae in Antedon rosacea. By P. 

 Herbert Cari'enter, D.Sc, F.H.S., F.L.S., Assistant Master 

 at Eton College. (With Plate XXX, fig. 3) . . .379 



The Function of Nettlecells. By R. von Lendenfeld, Ph.D., 

 F.L.S., Assistant in the Zoological Laboratory of University Col- 

 lege, London. (With Plate XXX, fig. 4) . . . 393 



Some New Methods of Using the Aniline Dyes for Staining 

 Bacteria. By E. Hanbury Hankin .... 401 



Illustrations of the Structure and Life-History of Phytophthora 

 infestans, the Fungus causing the Potato Disease. By H. 

 Marshall Ward, M.A., F.L.S., Fellow of Christ's College, 

 Cambridge, and Professor of Botany in the Forestry School, Royal 

 Indian College, Cooper's Hill. (With Plates XXXI and XXXII) 413 



On the Formation and Liberation of the Zoospores in the Sapro- 

 legnicfe. By Marcus M. Haktog, D.Sc, M.A., F.R.U.L . 427 



