430 Neientifie Intelligence. 
preserved by immersion in spirits, to permit their characters to be we 
As might have been anticipated from our knowledge of their con- 
geners, these animals belong to the Rhizopodous type ; the soft b 
consisting of sarcode, without digestive cavity or organs of any kind; 
and being made up of a number of segments, equal and similar to each 
other, which are arranged in concentric zones round a central nucleus. 
his body is invested by a calcareous shell, in the substance of which 
no minute structure can be discerned, but which has the form of a cir- 
n 
surrounded by a larger mass connected with it by a peduncle,—the 
development of the Orbitolite may take place either upon a simple, or 
tical columns, but connected with the annular stolons; these occupy 
the narrow elongated cells just mentioned, which constitute two super- 
ficial layers in the disks of this type, between which is the in 
layer occupied by the columnar segments. ielae? 
