Water 



23 



12 24 36 48 60 72 



HOURS IN CONCENTRATED SW 



Fig. 1 1. Blood freezing point (aO of M.a]a and Eriphia after being transferred at zero 

 hours from sea water of Ao=2.33 to sea water of Ao=2.83 (Schwabe^')- 



A 



2.5 — 



2.0 



.5 — 



0.5 



A 



Fig. 12. Blood concentrations (A.) of several marine Crustacea as ^ function of 

 e-xternal concentrations (Ao). Data for Carcinus: 9 (Schlieper ), D CNagei ; O 

 (DuvaF), ■ (Bateman^"); Maja: C (Duval'^, V (Schwabe^^); Pahnurus: D (Duval ); 

 Portunas: X (Schwabe"); Hyas: (g) (Schlieper'-'O- 



