10 Pol. 
POLYZOA. 
Bionomics. 
Cephalodiscus an ally of Balanoglossus modified by sedentary life 
Lang. 
Regeneration of lost parts in Polyzoa ; Harmer (1). 
GEOGRAPHICAL DISTRIBUTION. 
Fauna of mountain lakes ; Zschokke. 
S.W. of Ireland : Polyzoa ; Bourne. 
Mediterranean : Polyzoa ; Pergens. 
Japan : Polyzoa ; Ortmann. 
China Sea, Tizard and Macclesfield Banks : Polyzoa ; Kirkpatrick. 
Australia : New Polyzoa ; MacGillivray (3). 
S. Australia : Polyzoa ; id. (1 & 2). 
N. S. Wales, Port Jackson : Polyzoa ; Wiiitelegge. 
Murman Coast : Polyzoa • Kiivorostanskii. 
Fernando Noronka : Polyzoa ; Kirkpatrick, vide Ridley. 
Moscow : Freshwater Polyzoa ; Zykoff. 
GEOLOGICAL DISTRIBUTION. 
Tertiary : Polyzoa from Italy ; Gioli. 
Upper Oligocene : Polyzoa from Doberges ; Lienenklaus. 
Pliocene : Polyzoa from Modena ; Nam ias (1). 
Cretaceous : Polyzoa of Red Chalk of Hunstanton ; Vine 
Cretaceous : Polyzoa from Mecklenburg ; Osswald. 
Lias : Polyzoa from Lombardy ; Parona. 
Silurian : Polyzoa ; Ulrich. 
