190 F. B. Meek—Fossils of the [llinois Geological Report. 
Although the figures we have given, and the rather full ex- 
planations accompanying each plate, will, it is hoped, enable 
the intelligent paleontologist to understand and appreciate the 
new information added to this department of science by these 
illustrations, some additional notes in regard to the many in- 
teresting types figured will doubtless be of service to students 
in using the volume. Of course, however, it will be readily 
understood that such notes prepared (here in Florida) without 
* The structure of the bases of these arms is not well shown in the engraving. 
