RUST.] RADrOLARlA. 105' 



Family : Druppulida, IfaeckeL 



(Melius : Prunulum, Haeckel. 



•'i. Pkunuluivi calococcus, n. sp. 



Plate XTV., tig. X 



The ellipsoidal cortical shell tliiii-walled, smooth, with regulai, <^iic-ular.. 

 pores about as wide as the bars. Ratio of the majoi- axis of the- 

 ellipsoid to the mim)r, 3 : l^. Both inedulhn-y sliells lai-ge aiul s})liei"icaL 

 with large circular pores. 



Dimensions : Majoi' axis of cortical shell, ()'11)4 mm-. 



Minor " " 0117 " 



Diameter of the tii-st medullary shell, 0*065 " 

 <i " second (outerm()st)shell 0"0S .< 



( )ccurronce : lare. 



Sub-class : XAR8ELLARI A. 



Order : CYRTOIDIA. 



Family : Cyrtocalpida. 



Sub-family : Archicorida. 



(lenus : CyrtOCalpis, Haeckel. 



4. CVHTOCAMMS ('KASSI'l'KS'rA TA, n. Sp. 



Plate XIV., tig. 4. 



Shell infundibuliform, very thick, with regular circular pores of cijuaL 

 size, and about as wide as the bars. Mouth large, simple, wider than, 

 the length of the shell. Surface smooth. 



Dimensions : — Shell, O-l-'^S mm. long. 

 Moutli, 01 74 " wide. 



Oc-currence : not frequent. 



Family : Sethocyrtlda, 



Sub-family : SethoCOrida, Haeckel. 

 Genus : Dictyocephalus, Ehrenberg. 



O. Dl( TYOCKPHALUS MICROSTOMA, n. sp. 



Plate XTV., tjo. :>. 



