go THE HAMILTON ASSOCIATION. 
suitable opportunity of conferring honorary degrees on ten of 
its members, including Heeckel, the famous Professor of Jena 
University, and the London 7zes informs us that the Prince 
of Wales telegraphed his congratulations upon the great 
success of the congress. Heeckel at the meeting said he 
believed that the different series of placental mammals con- 
verge so nearly that they must all have been derived from one 
marsupial ancestor. 
The aperture of the Gasteropod (Sea Snail) is so very 
indistinct that one may well hesitate to callit a Platyceras. It 
comes from Trenton Shingle, Burlington Heights, the ancient 
Barrier Beach. It does not resemble any species known to 
me. The late Mr. Billings named a specimen from the 
Trenton beds in the lower Province Cyclonema Montrealensts. 
It is not that I think. 
