Plate 42. 



Figs. 1,2. Uvigerina seniicostata. X50. Side views. D2160. 

 3,4. Uvigerina auberiana. X40. Side views. D2754. 



5. Uvigerina arnpullacea. X50. Side view. D2117. 



6. Uvigerina arnpullacea. X40. Side view. HtjO. 

 7-9. Uvigerina pcregrina. X30. Front views. D201S. 



10. Uvigerina peregrlna. X30. Front view. 1)2029 



11. Uvigerina peregri)ia, var. pamila. X30. Front view. D2400. 



12. Uvigerina pcregrina, var. bradyana. X30. Front view. D2568. 



13. Uvigerina flintii. X30. Front view. D2641. 



14. Siphogencrina raphanits. X30. Front view. D2ir)0. 



15. Sipliogenerina advena. X50. Front view. D2150. 



16. Siphogcnerina dimorpJw. X113. a, side view; J), apertural view. 



After Heron-Allen and Earland. 



17. Sipliogcnerina dimorpha. X.jO. Front view of niicrospheric speci- 



men. D2150. 

 IS. Siphogcnerina dimorpha. X.jO. Front view of megalospheric spec) 



men. D2614. 

 220 



