Revue Suisse de Zoologie - M. Gihr & G. Pilleri 



PLATE I 



A = Dclphinus delphis L., No. 390, Ç, Gibraltar Strait, Long. 5 10' W, Lat. 36 5' N, 



11. 7. 1967. 



B = Sienella styx Gray, No. 398, ?, Gibraltar Strait, Long. 5°20' W, Lat. 36 N, 20. 7. 1967. 



