186 



EXPEDITION OF THE "ALBATROSS," 1899-1900. 



the deep-sea crowns may be profitably compared. The originals are from 

 the Phosphate Beds of Coosaw, South Carolina, and are preserved in the 

 Museum of Comparative Zoology. 



l 2 3 



Figs. 1-3. — Oxyrldna crassa Agassiz. 



Phosphate Beds, Coosaw, S. C. Two lateral teeth referable to the upper jaw, one seen from 

 the inner face and in profile (1, 2), the other showing the outer face (3). x \- 



Lamna Cuvier. 



Lamna sp. ind. 

 Plate 1, Figs. 0, 10. 



Twenty-two slender and sharply pointed teeth were obtained at Station 2, 

 and one imperfect crown at Station 13, which belong to a small, indetermin- 

 able species of Lamna. These teeth have the outer face faintly and the 

 inner very strongly convex, with smooth enamel on both sides. None of 

 the specimens exceed 1.5 cm. in height. Similar teeth are figured in PI. VI., 

 figs. 12, 19, and 21 of the "Challenger" Reports, and are stated to occur 

 plentifully in the Pacific. 



Carcharodon. Miller and Henle. 



Carcharodon megalodon Agassiz. 



Plate 1, Figs. 21-23. 



Fifteen comparatively small-sized teeth belonging to this species were 

 brought up by the dredge at Station 2, and fragments of eight larger ones 



