Eastman. — Shark's teeth and Cetacean bones. 



PLATE 3. 



{All figures are of the natural size.) 



Figs. 24, 25. Kogia sp., very similar to A', breviceps. Left and right periotics, re- 

 spectively, the former from Station 4740, the latter from Station 

 472L 

 Fig. 26. Imperfect right tympanic belonging to same species as the preceding, 



from Station 4721. 

 Figs. 27, 28. Delphinus sp., somewhat resembling D. delphis. Left and right peri- 

 otics respectively, from Stations 4701 and 4740. The right periotic 

 is seen from tlie tympanic aspect, and has the stapes still seated in 

 the fenestra ovalis. The longitudinal extent of the porus acusticus, 

 as compared with that in Fig. 25, is noteworthy. 

 Fig. 29. Same as Fig. 26, but more perfect, and heavily encrusted. Station 4721. 

 Fig. 30. Right periotic of unknown Delphinoid species, somewhat encrusted. 



Station 4685. 

 Fig. 31. Imperfect right tympanic of unknown Delphinoid species, considerably 



encrusted. Station 4721. 

 Fig. 32. Delphinus sp., somewhat resembling D. delphis. Inferior aspect of left 



tympanic. Station 4740. 

 Figs. 33-34. Hifperoodon sp. ind., Station 4666. Tympanic and periotic belonging 



to the left side of a single individual. 

 Figs. 35-36. Hifperoodon sp. ind., Stations 4656 and 4676. Right tympanic and 

 left periotic, more or less encrusted, turned to show opposite 

 aspects from Figs. 33 and 34. 



