312 Mr. F. Chapman on Foraminifera 



Subfamily Polymorphininm. 



Polymorphina, d'Orbigny [1826]. 



Polymorphina lactea (Walker & Jacob), var. acuplacenta, 

 Jones & Chapman. 



Polymorphina lactea (W. & J.), " Fistulose form," Chapman, 1896, 



Journ. R. Micr. Soc. p. 9, pi. ii. fig. 4. 

 Polymorphina spp., var. acuplacenta, Jones & Chapman, 1896, Journ. 



Linn. Soc, Zoology, vol. xxv. p. 502, figs. 6-9. 



The apical outgrowths of this specimen particularly re- 

 semble those seeu in fig. 8, p. 502 of Jones and Chapman's 

 summary of the fistulose Poly mor phi nee {torn, suprh cit.). 



One specimen from SwafTham. 



Polymorphina gibba, d'Orbigny, var. acuplacenta, 

 Jones & Chapman. 



Polymorphina gibba, d'Orbigny, "Fistulose form," Chapman, 1896, 



Journ. R. Micr. Soc. p. 10, pi. ii. fig. 6. 

 Polymorphina gibba, d'Orbigny, var. acuplacenta, Jones & Chapman, 



1896, Journ. Linn. Soc, Zoology, vol. xxv. p. 502, figs. 6, 7. 



The specimens, of which there are two in this series from 

 the Cambridge Greensand of SwafTham, are perhaps more 

 nearly comparable with fig. 6, p. 502 of Jones and Chapman's 

 summary than with the Gault specimen. 



Polymorphina gutta, d'Orbigny, var. diffusa, 

 Jones & Chapman. 



Polymorphina gutta, d'Orbigny, " Fistulose form," Chapman, 1896, 



Journ. R. Micr. Soc pp. 10, 11, pi. ii. fig. 8. 

 Polymorphina spp., var. diffusa, Jones & Chapman, 1896, Journ. Linn. 



Soc, Zoology, vol. xxv. p. 505, figs. 26-29. 



Four specimens, all more or less resembling those from 

 the Folkestone Gault, were found at SwafTham. 



Polymorphina fusiformis, Romer. 



Polymorphina (Globulina) fusiformis, Romer, 1838, Neues Jahrb. fur 



Min. p. 386, pi. iii. fig. 37. 

 Polymorphina fusiformis, Romer, Chapman, 1896, Journ. R. Micr. Soc 



p. 11, pi. ii. fig. 9. 



Three specimens belonging to the type species were found 

 at SwafTham. 



