Plate 7 



Figure 1. Quinqueloculina cf. kerimbatica (Heron-Allen and Earland). X SO. 

 Tortugas. a, b, opposite sides; c, apertural view. 



2. Schlumbergerina alveoliniformis (H. B. Brady), var. occidentalis Cush- 



man, new variety. X 40. Tortugas. a, side view; b, apertural 

 view. 



3. Massilina secans (d'Orbigny). X 60. Dogs Bay, Ireland, a, b, 



opposite sides; c, apertural view. 



4. Massilina secans (d'Orbigny). After \Yilliamson. a, b, opposite 



sides. 



5. Massilina crenata Karrer. X 80. Tortugas. 



6. Massilina inaequalis Cushman. X 60. Montego Bay, Jamaica, a, 



b, opposite sides; c, apertural view. 

 108 



