152 TRANSACTIONS OF THE [APRIL 1, 
April 1, 1889. 
REGULAR Business MEETING. 
The President, Dr. NEWBERRY, in the chair. 
Twenty-four persons present. 
The report of the Council was read, recommending the pay- 
ment of certain small bills, and a few other items of minor 
importance. 
THE PRESIDENT announced to the Academy the death of 
PROFESSOR FREDERICK STENGEL, long an active resident mem- 
ber and a frequent attendant at the meetings. He made a brief 
address referring to the varied learning and accomplishments of 
ProF. STENGEL, especially in the department of modern lan- 
guages and literature, and to the great urbanity and friendship 
which characterized his social relations. 
Pror. D. S. Martin read by title the following papers, pub- 
lished in the ANNALS, Vol. I1V., No. 12, and Vol. V., No. 1, 
respectively: 
(1) THE CALCEOCRINID, A REVISION OF THE FAMILY, WITH 
DESCRIPTIONS OF NEW SPECIES; 
BY EUGENE N. S. RINGUEBERG. 
(2) A CATALOGUE OF NORTH AMERICAN PALZOZOIC CRUS- 
TACEA, BELONGING TO NON-TRILOBITIC GENERA} 
BY ANTHONY W. VOGDES. 
Pror. MARTIN called the attention of the members to the 
very beautiful and remarkable collection of the gems and gem- 
yielding minerals of the United States, now to be seen for a few 
days at the establishment of Messrs. Tiffany & Co., prior to its 
being sent to Europe as a part of their exhibit at the Paris Ex- 
position. This collection had been gathered and arranged for 
this purpose by one of the Academy’s own members, Mr. 
GEORGE F. Kunz; and it gives, even to one somewhat familiar 
with American mineralogy, a surprising illustration of the rich- 
ness of our country in the gem-yielding species. He referred 
to several of the most remarkable of these specimens, instancing 
particularly the large and splendid aquamarine beryls from 
