332 FORAMINIFERA 



FAMILY 44. HOMOTREMIDAE 



Test in the early stages trochoid, attached by the dorsal sur- 

 face, later becoming irregular and growing upward from the 

 area of attachment into a more or less branched mass, all trace of 

 the early arrangement being lost; wall calcareous, coarsely per- 

 forate ; apertures large, open or covered by a perforated plate ; a 

 reddish or orange color strongly developed. 



Genus HOMOTREMA Hickson, 1911 



Plate 52, figiares 25-27 

 Genoholotype, MiUepora rubra Lamarck 

 Homotrema HiCKSON, Trans. Linn. Soc. ZooL, vol. 14, 1911, p. 445. 

 MiUepora Lamarck, 1816 (not Linne). 

 Polytrema (part) of authors (not Risso). 



Test attached, the early stages coiled, later extending up in an 

 irregular mass with short stout projecting portions; wall cal- 



EXPLANATION OF PLATE 55 



Fig. 



1, 2. Cornnspiramia antiUarnm (Cushman). (After type figures). Fig. 

 1, Exterior. Fig. 2, Ventral view of young specimen showing 

 structure. 

 3-5. Tubulogenerina moorahoolensis (Cushman). X 75. (After 

 Heron-Allen and Earland). Fig. 3, Front view showing 

 aperture and tubular spines. Fig. 4, Diagrammatic longi- 

 tudinal section. Fig. 5, Diagrammatic horizontal section. 

 Dictyopsclla chalmasi Schlumberger. X 10. (After type figure). 

 Dlctyopsella kUiani Schlumberger. (After type figures). Fig. 



7, Exterior. X 12. Fig. 8, Longitudinal section. X 15. 

 Flabellina rugosa d'Orbigny. (After type figure). 

 ArnanfLieUa grossouvrei H. Douville. (After H. Douville). Fig. 

 10, Transverse section. X 10. Fig. 11, Detail of section show- 

 ing pillars and vacuolar structure. 

 12-14. Pellatispira douvillei Boussac. (After type figures). Fig. 12, 

 Equatorial section. X 7. Fig. 13, Transverse section. X 7. 

 Fig. 14, Exterior. X 4. 



15. Pellatispira 7nadaraszi (Hantken). X 4. (After Boussac). 



16. Heterositegina. Schematic figure showing structure. (After Van 



der Vlerk and Umbgrove). 



17. Cycloc.lypeus. Schematic figure showing structure. (After Van 



der Vlerk and Umbgrove). 



