ABSTRACT 
OF 
COMMUNICATIONS AND PRESENTS 
TO THE 
NATIONAL INSTITUTE. 
Communications, fyc. 
tt 
From Senor Sinibaldo de Mas, Spanish Charge d’ Affaires in 
China, Macao, May 12, 1844: Submitting his essay on Ideography, 
&c., to the examination of the Institute. 
*From J. C. Pickett, late U. S. minister to Lima, Peru, August 
15, 1844 : On the fate and character of Major Andre, he. 
*From the same, Lima, Peru, September 30, 1844. Third letter; 
on the canal communication between the Atlantic and Pacific oceans. 
*From C. C. Rafn, Perpetual Secretary of the Royal Society of 
Northern Antiquarians, Copenhagen, October 10, 1844: Describing, 
at large, the Museum of American Antiquities of the Royal Soci- 
ety, he. 
*From J. C. Pickett, late U. S. minister to Lima, Peru, October 
20, 1844 : On mate, the yerba, or tea of Paraguay, he. 
From the Berlin Society for the Encouragement of Horticulture 
in Prussia: G. A. Tintelman, Secretary General, Berlin, Novem- 
ber 20, 1844. 
# Frora T. G. Clemson, U. S. Charge d’ Affaires in Belgium, 
Brussels, December 12, 1844: Describing a new loom, invented 
and patented in Brussels, by C. de Poorter, and recommending its 
introduction into the United States. 
*From Henry A. Wise, American minister, Brazil, Rio Janeiro, 
January 13, 1845 : Describing the Boabab of Senegambia, the 
Adansonia digitata, a remarkable tree of Africa, &c. 
# From John A. Bryan, late Charge d’ Affaires of the United States 
at Lima, February 14, 1845 : On the communication between the 
Atlantic and Pacific oceans. 
*From Rev. John G. Morris, Baltimore, February 15, 1845: 
Remarks on the natural history and habits of a remarkable larva 
from New Zealand, having a plant growing out of its head, called by 
the natives hotte. For further remarks on this subject, see page 506. 
From Dr. Joseph Johnson, Charleston, South Carolina, February 
*The communications marked thus * havo been published in full in the Wash 
ington newspapers and elsewhere. 
No. 4. 
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