1892 ] NEW YORK ACADEMY OF SCIENCES. 53 
We are at present making arrangements for obtaining a series 
of Procyon embryos for this purpose. 
Again, a careful and critical comparison of the entire aliment- 
ary system of various forms devoid of cecum taken from differ- 
ent groups may point to some common structural features in 
other parts of the system which will aid in affording an explana- 
tion of the condition. This would of course include a histolog- 
ical examination of the digestive tract. 
The minutes of November 21st and 28th omitted in regular order 
are here given in full. 
November 2], 1892. 
Sratep Meetinc. 
The President, Dr. Hupparp, in the chair ; about seventy-five 
persons present. 
The reading of the minutes was omitted. 
Pror, Henry F. Oszorn, of Columbia College, delivered the 
second lecture of the Public Course on: 
«The Rise of the Mammalia,’’ illustrated by specimens and 
lantern slides. 
November 28, 1892. 
Sratep MEeEeEtinc, 
Mr. Tarrock in the chair ; six persons present. 
The minutes of October 3lst and November 21st were read 
‘and approved. 
Rozerr L. Jack, of Brisbane, Queensland, was nominated as 
as Corresponding Member. 
The following paper was read : 
