Vol. 64 : Part L 



MEMOIRS AND PROCEEDINGS 



OF 



THE MANCHESTER 



LITERARY & PHILOSOPHICAL 



SOCIETY, 1919-20. 



CONTENTS. 



Memoirs : 



I. — A Discussion of the Theorems of Lambert and Adams on 

 Motion in Elliptic and Hyperbolic Orbits. By L. V. 

 Meadowcroft, B.A., M.Sc. With 2 Text-figs. ... pp. 1—5 



(Issued separately July 30th, IQ20.) 



II. — Morphogenesis of Brachiopoda. I. — Reticularia lineata (Mar- 

 tin), Carboniferous Limestone. By W. E. Alkins, 

 M.Sc. With 1 Plate and 2 Text figs. pp. 1— 11 



(Issued separately December 30th, IQ20.) 



Proceedings pp. i. — xii. 





MANCHESTER : 



36, GEORGE STREET. 



Price : Four Shillings. 



February 28th, IQ21. 



