PLATE II 



A PHOTOGRAPH OF CHLAMTDOSELACHUS AND DRAWINGS OF TWO HEADS 



Fig. 5. An l860-mm. female taken off San Sebastian, Spain. From the very full abdomen we believe this to 



have been a gravid female. 

 After Bertrand, 1926. 



Fig. 6. A drawing of the head of the fish of Figure 3, plate I. Note teeth, tongue, nostrils, eye, spiracle, and 



gill-covers with their supports. 

 After CoUett, 1897. 



Fig. 7. A drawing of the head of Chlamydoselachus from the left side. 



amp, pores of the ampullae of Lorenzini; ana, anterior nasal aperture; ang, angular latero-sensory canal; 

 gul, gular lateral line canal; iop, infra-orbital latero-sensory pores; jug, jugular latero-sensory canal; lie, lateral 

 line canal of body ; or, oral latero-sensory canal; sop, supra-orbital latero-sensory pores; sp, spiracular latero- 

 sensory canal; spr, spiracle. 



After Allis, 1923. 



