2 INVERTEBRATE ANIMALS. 



Class RHIZOPODA (Dujardin). pli^u, root; 

 vovg, foot. — Limbs formed by simple extensions of the 

 soft body. 



Order FORAMINIFEKA. Foramen, an orifice ; 

 fero, I carry. Animalcules forming calcareous, rarely 

 arenaceous, shells, found in sponges, sand, etc. The 

 Foraminifera are exclusively marine, and have a world- 

 wide distribution. 



Group 2.— FORAMINIFERA-IMPERFORATA and allies. 

 H Models, by D'Orbigny and Fric, of about forty- 

 six species. Cycloclypeus, specimen If inches 

 in diameter, collected and presented by Dr. 

 Collingwood. 



Upper Compartment. 



Drawings of Amoeba and Actinophrys sol. 



Group 3.— FORAMINIFERA-PERFORATA. 



H Models, by D'Orbigny and Fric, of about seventy- 

 six species, including Glohiger'ma and other 

 Rhizopoda, from the deep seas. 



Group 4. — Order RADIOL ARIA. Radius, a ray. Marine 

 animalcules, constructing exquisitely formed glassy 

 shells. 



IT Photographic plates of Polycistind, from Bar- 

 badoes. 



