PLATE 5 
DESCRIPTION OF FIGURES 
17 Longitudinal section through the wound shown in figure 5 (one-half hour 
after operation). a, epithel; 6, subcutaneous connective tissue; c, chromato- 
phores; d, musculature; e, artery; f, myelin cord; h, neuropil; 7, layer of nerve 
cells; 7, sucker. 
18 Open brachial artery six hours after operation. 
19 Agglutinating blood-corpuscles. 
20 Brachial artery closed by a clot of agglutinating blood-corpuscles. 
21 Primary blastema evolved from blood-corpuscles. 
22 Longitudinal section through an Octopus vulgaris arm ten hours after 
operation. Preliminary covering of the wound formed by agglutinating blood- 
corpuscles. 
50 
