86 THE FOEAMINIFEEA 



EXPLANATION OF PLATE 2. 



Fig. 



A. Squaiiuiliiiii hcvis, Scliultze. Magnified. 



B. Calcituha pohjinorplin,l\oho7.. Tj^pical specimen, x 50. 



C. Calcituha polymorpha^VKdho'/.. Young shell. x 100. 



D. Calcitiihd polijmorplia, Eoboz. Medium section of the shell, 



passing through t^vo chambers. < 150. 



E. Niibeciilaria Incifuga, Defrance (after Brady). A spiral form ; 



superior aspect. x 10. 



F. Nubecnlaria lucifuga, Defrance. Inferior (attached) surface. 



xlO. 



G. Nubecularia iiovorossica, var. nodida, Karrer and Sinzow. x 5. 

 H. Nuheriihn-i(( tibia. Jones and Parker. Magnified. 



I, J. Bilocnlina comata, Uradj. x 25. 

 K, L. BilociiJiua ringens. Lamarck sp. (after Brady). x 13. 

 M, N. FabuJaria discolithus, Defrance (after Carpenter), x 5. 



