1929 ] Structure and Significance of Palaeogyrinus 219 
eliminated before “Palaeocoleopterology” can be taken with- 
out a grain of salt. 
I am not a palaeontologist until forced by circumstances 
and can make no general statement on my own responsib- 
ility, but I have discussed the matter with experienced 
friends who agree that, although a fossil insect may be 
rather loosely said to be in two dimensions, it can rarely be 
“adequately recorded in the form of figures” as stated by 
Mr. Hatch, and most emphatically should not be studied in 
that form alone. Indeed, the history of Palaeogyrinus sug- 
gests that it may be more important to see the type of a 
fossil than of a living species. 
European Coleoptera at Providence, R. I., in 1928. 
Several specimens of A grilus coeruleus Rossi were taken 
on June 16, 1926; they were determined by Mr. C. A. Frost 
of Framingham, Mass. 
On October 12, 1919, a fine specimen of Geotrupes was 
taken and not being like any of the described North Ameri- 
can species it was submitted to Mr. H. C. Fall of Tyngsboro, 
Mass., who stated that it resembled the European G. sylva- 
ticus Panz. in his collection. I find that the specimen an- 
swers very well to the description of this species in Thomp- 
son’s Scandinavian Insects. 
J. V. Nylen, Providence, R. I. 
