94 FORAMINIFERA 



single, of agglutinated material, firmly cemented, sand grains, 

 mica scales, sponge spicules or other f oraminif era ; aperture 

 simple, terminal, sometimes with a slight neck. 



Cambrian to Recent. In the present ocean the species have 

 definite distributions both geographically and bathymetrically. 



There is a high degree of selection in the material of the tests, 

 certain materials of the bottom being used and others discarded. 



Genus NODOSINELLA H. B. Brady, 1876 



Plate 8, figures 9-12 



Genotype, by designation, Nodosinella digitata H. B. Brady 



Nodosinella H. B. Brady, Pal. Soc. Mon., vol. 30, 1876, p. 102. 

 Dentalina (part) of authors. 



Test free, straight or arcuate, chambers usually distinct, 



EXPLANATION OF PLATE 8 

 Reophacidae 



Aschem.o7iella scabra H. B. Brady. X 10. (After type figures). 



Fig. 2, Section showing the interior. 

 HospiteUa fuhia Rhumbler. (After type figure). 

 Kalamopsis vaillanti de Folin. (After type figures). Fig. 5, Section 



showing structure of interior. 

 Renphax scorpiurus Montfort. (After H. B. Brady). Fig. 6, Ex- 

 terior. X 28. Fig. 7, Showing structure of test. X 20. 

 Reophax nodulosus H. B. Brady. X 7. (After type figure). 

 Nodosinella digitata H. B. Brady. X 20. (After type figure), a, 



side view; h, apertural view. 

 Nodosinella ri/lindrica. H. B. Brady. X 20. (After type figure). 



Showing labyrinthic structure of test. 

 Hormosina globulifera H. B. Brady. X 15. (After type figures). 



Fig. 13, Megalospheric form with a single chamber. Fig. 15, 



Microspheric form with numerous chambers. 

 Haplostiche foedissivia (Reuss). X 7. (After type figure). 

 Haplostiche dnbia (d'Orbigny). X 10. (After H. B. Brady), a, 



front view; b, apertural view. Fig. 18, Transverse section. Fig. 



19, Longitudinal section. 

 Turriclmnila inter jecta Rhumbler. (After type figure). 

 Avimofrovdicularia angusta Schubert. (After type figure). 

 Nodellum. membranaceum (H. B. Brady). X 35. (After type 



figure). 



