80 FORAMINIFERA 



the test with a white cement and fine amorphous material ; aper- 

 ture indistinct, at the apex. 



Recent. Cold waters of the North Atlantic mostly. 



Genus THOLOSINA Rhumbler, 1895 

 Plate 5, figures 11, 12 



Genoholotype, Placopsilina bulla H. B. Bi'ady (in part) 



Tholosiyia Rhumbler, Nachr. Kongl. Ges. Wiss. Gottingen, 1895, p. 82. 

 Placopsilina (part) H. B. Brady, Quart. Journ. Micr. Sci., vol. 19, 1879, 



p. 51. 

 Psei(doplacopsilina Eimer and Fickert, Zeitschr. Wiss. ZooL, vol. 65, 



1899, p. 672 (genoholotype, Placopsilina bulla H. B. Brady). 



Test attached, hemispherical, flattened on the surface by 

 which it is attached, chamber single, undivided; wall of fine 



EXPLANATION OF PLATE 5 

 Saccamminidae 



Technitella legumen Norman. (After type figures). Fig. 1, Ex- 

 terior. X 28. Fig. 2, Anterior portion enlarged to show struc- 

 ture of wall. X 65. 



Pilulina jeffreysii Carpenter. X 8. (After H. B. Brady). Fig. 3, 

 o, apertural view; b, side view. Fig. 4, Test sectioned to show 

 interior. 



Webhinella hemisphaerica. .Jones, Parker and H. B. Brady. Fig. 

 5. (After H. B. Brady). X 15. Fig. 6, (After type figure). 

 X 40. 



Iridia diaphana Heron-Allen and Earland. (After type figures). 

 Fig. 7, Exterior. X 12. Fig. 8, From below, showing protoplas- 

 mic body. X 14. 



Rhaphidoscene conica Vaughan-Jennings. X 12. (After type fig- 

 ures). 



Tholosina bulla (H. B. Brady). X 14. (After type figures). Fig. 

 11, From above. Fig. 12, From side. 



Ve7-rucina mdis Goes. X 10. (After type figures). Fig. 13, From 

 above. Fig. 14, From side. 



Psaynmosphaera r-ustica Heron- Allen and Earland. X 28. (After 

 type figure). Test made of sponge spicules. 



Psawmosphaera bowtnanni Heron-Allen and Earland. X 28. 

 (After type figure). Test made of mica flakes. 



Technitella thompffoni Heron-Allen and Earland. X 50. (After 

 type figure). Test made of ambulacral plates of brittle stars. 



