MaticJiester Memoirs, Vol. liii. (1909), No. %\. 13 



The tests agree well with the "Challenger" figures, 

 although they do not all show the granular markings at 

 the umbilicus. Rather rare. 



*Nonionina stelligera, d'Orbigny, (PI. 4, Fig. 9). 



Nonio)iiua stelligera, d'Orbigny ('39), p. 128, pl. 3, 

 figs. I, 2 {siellifera on plate). 



Polvstoviella erispa, var. {Nonionind) stelligera, d'Orb., 

 sp., Parker and Jones ('65), p. 404, pl. 14, figs. 40, 41. 



Noniouiua stelligera (d'Orb.), Brady ('84), p. 728, 

 pl. 109, figs. 3-5. 



N. stelligera (d'Orb.), Morton ('97), p. 121, pl. i, 

 fig. 18. 



The Delos tests of this species are much more stoutly 

 built than those of the former, which are delicate and 

 colourless, while the latter are semi-opaque and of a pale 

 ivory colour. Rather frequent. 



*Nonionina scapha, Fichtel and Moll, sp. 



Nautilus seapha, F'ichtel and Moll (:03), p. 105, pl. 19, 

 figs. ci-f. 



Nonionitia sloaiiii, d'Orbigny ('39), p. 46, pl. 6, fig. 18. 



N. scapha (F. & M.), Brady ('84), p. 73c, pl. 109, 

 figs. 14, 15. 



.V. scapha (F. & M.), Brad)-, Parker, and Jones ('88), 

 p. 230, pl. 43, fig. 20. 



N. scapha (F. & M.), Flint ('99), p ^^,17, pl. 80, fig. i. 



The Delos examples are small and transparent. 

 Very rare. 



*Nonionina turgida, Williamson, sp. 

 Rotalina turgida, Williamson ('58), p. 50, pl. 4, figs. 

 95-97- 



