EXPLANATION OF PLATE 24 (XXIV) 



Figs. 1-17, 20-22, X 15; Figs. 18, 19, X 60. 

 Figures 1-5. Tolypammina vagans (Brady). 



Figs. 1, 2. Challenger Sta. 120, off Pernambuco, Atlantic. (675 fathoms) 

 Figs. 3-5. Porcupine Sta. 23, N.W. of Ireland, Atlantic. (630 fathoms) 

 Referred to Hyperammina by Brady. Placed in Tolypammina by Rhumbler, Nachr. Kongl. Ges. Wiss. 

 Gottingen, 1895, p. 83. 

 Figures 6-9. — Tolypammina schaudinni Rhumbler. 



Fig. 6. Porcupine Sta. 23, N.W. of Ireland, Atlantic. (630 fathoms) 

 Figs. 7-9. Challenger Sta. 244, North Pacific. (2900 fathoms) 

 Referred by Brady to Hyperammina vagans Brady. For Tolypammina schaudinni see Rhumbler, Arch. f. 

 Protist., Vol. 3, 1903, p. 277, fig. 126. In the Foraminifera of the Plankton Expedition, 1911, Rhumbler referred 

 this and the preceding to Girvanella, and was followed by Cushman in U.S.N.M. Bull. 104, Pt. 1, 1918. Chap- 

 man (note in "Nature") pointed out that Girvanella is probably an alga, so Tolypammina is used here. 

 Figures 10-19. — Marsipella elongata Norman. 



Figs. 10, 11. Porcupine Sta. 47, Faroe Channel, N. Atlantic. (542 fathoms) 

 Figs. 12-14. Porcupine Sta. 23, N.W. of Ireland, Atlantic. (630 fathoms) 

 Figs. 15-17. Challenger Sta. 122, S.E. of Pernambuco, Atlantic. (350 fathoms) 

 Figs. 18-19. Porcupine Sta. 24, Off Ireland, Atlantic. (?) 

 Figures 20-22. — Marsipella cylindrica Brady. 



Knight Errant Sta. 7, Faroe Channel, N. Atlantic. (?) 



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