H 
704 TRANS. OF THE ACAD. OF SCIENCE. 
Letters were read from the K. Akad. der Wissensch., Vi- 
enna, Dec. 17, 1859; Acad. Royale des Sciences, Stockholm, 
Nov. 25, 1859; Acad. Royale des Sciences, Amsterdam, Nov. 
30, 1859; R. Akad. des Wissen., Vienna, July 7, 1859, and 
March 17, 1859; Verein fir Naturk., Wiesbaden, Dec. 27, 
1859; Naturk. Verein, Bonn, Feb. 2, 1860; Smithsonian In- 
stit.. Washington, May 20, 1860,— severally acknowledging 
the receipt of the Transactions of the Academy, and announ- 
cing the transmission of publications in exchange. 
Donations to the Library were received as follows: Proc. 
Acad. Nat. Sciences, Philad., April, 1860, from the Academy ; 
Sitzungsb. der K. Akad. der Wissensch. math.-naturw. Classe, 
1858, No. 27-29; 1859, No. 1-20, Band xxxiii.--xxxvii, Wien, 
—Register der Sitzungsb., 21 bis 30, Wien, 1859,—Almanach, 
he committee to whom was referred the paper a a 
8. Lyon, entitled “Descriptions of new species of Blas 7 - 
&c.,” reported the same for publication; and it was “ee 
that the drawings for a plate to illustrate the same be plac 
the hands of the lithographer. , Pe 
he committee on the paper of Mr. 8. 8. Lyon, ee 
Stratigraphical Arrangement of the Rocks of Ken th 
recommended the same for publication in the Transac y 
together with a woodcut of the section. i 
i: Imann laid before the Academy the reotiiee his 
meteorological observations during the past three montns. 
| . ” ems 
They proved what everybody and even the “oldest inhabitant S00" 
to have fat, that this Spring was one of the warmest and far the dries 
