Paleontological Discovery. 349 
investigations on Bhi subject were continuous for nearly forty 
val Ti 
years, and his various publications are a : 
“Beitr zur Patrifuctenbounie? 1831-33, contains a series of 
valuable memoirs is awologica,” issued in 1832, includes 
a synopsis of the fossil vertebrates then known, with much 
original matter. His oe work, “Zur Fauna der Vorwelt,” 
1845-60, includes a of monographs invaluable to the 
student of veltebitate faleunbilogy. This work, as well as his 
other chief onenteleg ag was illustrated with admirable plates 
om his own drawings. Other memoirs by this author will be 
found in the “ Paisonioc aphica,” of which he was one of the 
editors. In the many volumes of this publication, which began 
in 1851, and is still continued, will be found much to interest 
the investigator i in any bran ch of paleontology. 
The “ Palssontographical Society of London,” established in 
ib has also issued a series of volumes containin be si 
moirs in various branches of Palsonto logy: tw 
publications together are a shinee bolas of know 
to extinct forms of animal and vegetable life. 
in regard 
It may be interesting here to note briefly the use of general 
terms in Paleontology, as the gradual a serie of a science 
was indicated to some extent in ita termin 
for a long time, the name “fossiZ” was spbeieriataly om for 
objects dug from the earth, both seo segs and organic remains. 
e term “ Oryctology,” having args i, the same meaning, 
was also used for this branch of stu or a long period, too, 
the termination ites (4édo¢, a vor was bs Ra to pews = 
distinguish them from the corres seopee pth forms ; 
by Pliny br a wed date, the 
guish fossils from minerals, when the ni difference became 
known, although the name “ Religuiw” was sometimes em- 
ployed. The term “petrifactions’” (Petrificata ) was defined 
John “Sie gear in his work on fossils in 1758, and was 
erwards extensively used. Paleontology i is comparatively a 
modern term, having come into use only within the last half 
century. It was introduced about 1830, and soon was eoeian 
adopted in France and England ; but i in Germany it met wi 
less fete, though used to some extent. 
It would be interesting, too, did time permit, to trace the 
various opinions and a vas at different eg in 
