MACROMOLECULES 



125 



700 650 



600 



550 500 



450 



mu 



Fig. 23 (Redfield) — Spectrum of the haemocyanin of a gastropod {Busycon canalicul atiim 

 in the visible region. Upper curve : oxyhaemocyanin. Lower curve : reduced haemocyanin) 



X 600C 5000 4000 3000 2000 



Fig. 24 (Roche) — Absorption spectrum of the haemocyanin from the snail. 



