PROTOZOA. 



size, occasionally tougher slender processes without granule streams 

 (figs. 125 and 12G). 



Amcela prinrrps Ehrbg., A. tcrricola Greef., Pet/tlnjrtis diffvfi'tcnx Clnp. 

 Lachm. Here should also be placed the famous Batlujliux Haecltdi Huxl., 

 which is found in the' deep sea mud of the Atlantic Ocean, if it is indeed a 

 living organism (and not simply a deposit of Gypsum). 



Arcella vulgaris Ehrbg., Difflugia proteiformis Ehrbg., Evglyplia ylolotn 

 Cart, have shells and tough, pointed, dichotomously branching pseudopodia 

 (fig. 125). 



FIG. 12t. Xummulitic Limestone, with 

 horizontal ection of N. d.stam (iiflcr 

 Zittell). 



FIG. 126. 

 oblonga (after Steii,)- 



Fio. 125. Euglyp'a <jl<l:a 

 (after Hcitwig ami Lesse;). 



FIG. 127. AcerwHua g 

 (alter M. Schultze). 



2. Sub-order : Reticularia (Thcdamopkora). Principally marine 

 Mhizopods with extremely slender anastomosing pseudopodia, with 

 granule streams in the latter, rarely naked (Protogenes, Lieber- 

 kuhnia), iisually with memVjranous or calcareous shell, which is 

 single-chambered (Ifonolhalamia) or many-chi^nbered (Polytludamia) 

 (tig. 127). 



