(^o^y^'.t 





CONTENT? OF No. LXXXIV. -New Series. 



MEMOIES: 



The Organ of Jacobson iu the Rabbit. By E. Klein, M.D., F.R.S., 

 Lecturer on Histology and Embryology in the Medical School of 

 St. Bartholomew's Hospital. (With Plates XXX and XXXI) . 549 



On the Eurther Development of Welwitsehia mirabilis. By E. O. 

 Bower, M.A., Camb., Assistant to the Professor of Botany in 

 University College, London. (With Plates XXXII and XXXIII) . 571 



On the Structure and Significance of some Aberrant Eorms of Lamelli- 

 branchiate Gills. By K. Mitsukuui, Ph. B., of Tokio, Japan, late 

 Fellow of the Johns Hopkins University, Baltimore. (With Plate 

 XXXIV) 595 



Limulus an Arachnid. By E. Ray Lankestek, M.A., F.R.S., Jodre 



Professor of Zoology iu University College, London — continued . 596 



NOTES AND MEMORANDA: 



Dr. Koch's New Method of Pure Cultivation of Bacieria 65 



Title, Contents and Index. 



