65 
L.M.B.C. MEMOIRS 
No. XIV. LIGIA. 
BY 
C. GORDON HEWITT, B.Sc., 
Demonstrator in Zoology, University of Manchester. 
CONTENTS. 
PAGE | PAGE 
Introduction ; j 5 tals | Vascular System . : . 82 
Biology : : ; . 67 | Nervous System . : 5 Si 
External Characters. . 69 | Sensory Organs . : 5 tes) 
Appendages . ¢ : . 72 | Excretory System : 5 Ee 
Body Wall, Muscular System | Reproductive Organs . 5) ge 
and Body Cavity . 0 is | Development : : — 9B 
Digestive System : . 77 | Literature . é ; Eo 

