CONTENTS OF No. LXXXI.-New Series. 



MEMOIRS: 



PAGE 



Notes on a Peculiar rorm of Polyzoa closely Allied to Bu?ula {Kine- 

 (cshcis,'Kov.audV)m.). By Geokge Busk, P.R.S. (Wiih Plates 

 I and II) . 



On the Germination and Histology of the Seedling of Welwitschia 

 nurabihs. By F. Orpen Bower, B.A., Camb. (With Plates III 

 and IV) .... 



Notes on some of the Reticularian Rhizopoda of the " Challen-er »' 

 Expedition. By Henry B. Brady, F.R.S. . . , ° 



On the Head Cavities and Associated Nerves of Elasmobrancl.s By 

 A. MiLNEs Marshall, D.Sc, M.A., Fellow of St. John's Colleo-e 

 Ca,„bndge. Professor of Zoology in Owens College. (With Plates 

 V^ and VI) .... 



Contributions to the Minute Anatomy of the Nasal Mucous Mem- 

 brane. By E. Klein, M.D., F.R.S., Lecturer on Histology and 

 Embryology, ,n the Medical School of St. Bartholomew's Hospital 

 (With Plate VII) . . . \ ^^ 



Histological Notes. By E. Klein, M.D., F.R.S., Lecturer on His- 

 tology and Embryology in the Medical School of St. Bartholomew's 

 Hospital 



114 



On the Intra-Cellular Digestion and Endoderm of Limnocodium. By 

 E. Ray Lankester, M.A., F.R.S. (With Plates VIII, IX, X.) . 119 



On the Micrometric Numeration of the Blood-corpuscles and the Esti- 

 mation of their Haemoglobin. By Mrs. Ernest Hart . . 133 



PreliminaiT Account of the Developn.ent of the Lampreys. By W^ b" 

 Scott, M.A., Assistant in Pali»ontology, Princeton . . ' '. 



On Some Appearances of the Red Blood-eorpuscles of Man and 

 F.L.S.^rc "''■ ^' ^' ^' ^°™«^'^"' ^•^- (Cantab), F.C.S. 



15 

 31 



72 

 98 



116 



NOTES AND MEMORANDA: 



Medusae and Hydroid Polyps living in Fresh Water 



Terminology of Reproductive Organs and Classification of ' Thallo-' 





154 



162 

 165 



