Plate 44. WILLS POINT GLOBOROTALIA AND GLOBIGERINOIDES 



(All figures X H5) 



Pago 

 Figures la 2b. (Uoborotalia varianta (Subbotina) 196 

 la, Spiral view ot hypotype (USNM P5707a), 

 showing similarity to G. pseudobulloides, but 

 with distinctly spinose early chambers. lb, 

 Umbilical view, showing distinct apertural lip. 

 Ic, Edge view. 2a, Spiral view of hypotype 

 (USNM P5707b), with final chamber of reduced 

 size. 2b, Umbilical view. 

 Figures 3a-c. Globorotalia imitata Subbotina 190 



3a, Spiral view of hypotype (USNM PS688), 

 showing small size and low chambers. 3b, 

 Umbilical view, showing distinct lip. 3c, Edge 

 view. 

 Figures 4-6c. Globorotalia pseudobulloides (Plum- 192 

 mer) 



4, 5, Umbilical views of hypotypes (USNM 

 PS722a, b) with aberrant final chamber extending, 



Page 

 bulla-like, to cover the umbilicus. 6a, Spiral 

 view of hypotype (USNM P5723). 6b, Umbilical 

 view. 6c, Edge view. 

 Figures 7-8c. Globigerinoides daubjergensis (Bron- 184 

 nimann) 



7, Umbilical view of hypotype (USNM P5711) 

 with aberrant and somewhat elongate final 

 chamber. 8a, Spiral view of hypotype (USNM 

 P5712) showing supplementary apertures and 

 spinose wall. 8b, Umbilical view. 8c, Edge 

 view, showing relatively high spire. 

 F'iGURES 9a-10c. Globorotalia compressa (Plummer) 188 

 9a, 10a, Spiral views of hypotypes (USNM 

 P5717a, b). 9b, 10b, Umbilical views. 9c, lOc, 

 Edge views, showing variation in degree of 

 compression. 



281 



