The blood circulation of animals possessing chlorocruorin

Abstract

Some of the chemical and physico-chemical characteristics of the respiratory blood pigment chlorocruorin have been dealt with in previous papers (H. M. Fox, 1926, 1932). An experimental investigation is described below of the blood circulation in sabellids and serpulids. These polychæte worms have chlorocruorin in solution in their blood plasma. The work was done in part in the Marine Biological Laboratories of Banyuls, Plymouth, and Tamaris, and my sincere thanks are due to the Directors and staffs of these institutions for their welcom and help. 1. The Normal Blood Circulation . In sabellids and serpulids both the anatomy of the blood system and the mode of blood circulation are peculiar and different from those in other polychæte worms. The best description of the anatomy of the blood system is that of Meyer (1888)