NOSTRILS 



CAUDAL FIN 



20 O tO 



t 1 — r 



40 60 60 100 120 140 160 160 160 140 120 K» 60 60 



20 40 



DO 120 140 «0 «0 SO MO 120 CO 60 60 40 



Fig. 1. Top: Jaws of a Carcharinid shark, Eulamnia, showing arrangement 



of teeth, a. Front view. b. View from behind, showing rows of teeth. (Baergh) 



Center: External anatomy of a typical shark. (Hon) Bottom: Map showing 



areas where shark attacks have been reported. (After Burden) 



10 



