at 
= 15 
ed 
Besides the above works, D’Orbigny’s Memoirs in the Annales 
des Sciences Naturelles, Revue Zoologique, Mémoires de la So- 
ciété Géologique, Magasin de Zoologie, Mémoirs de la Société 
d’Histoire Naturelle de Paris, are numerous and important ; 
among them we may allude here to the following :—In the An- 
nales des Sciences Naturelles, xviii, 1843, a memoir on Belem- 
nites; xvi, 1841, on the Ammonites of the Cretaceous formations ; 
xvii, on two new genera of fossil Cephalopoda ; xix, on the Gas- 
teropodous Mollusca of the Cretaceous formation ; xv, Zoological 
and Geological considerations on the Radiata ; Revue Zoologigiue, 
1839, t.ii, Note, sur le genre Caprina. — 
Description des Mollusques terrestres et fluviatiles du Por- 
tueal, par Axttivr Morever: 1 vol. in 8vo, with, 14 colored 
plates. Paris. . ere - ag 
Voyage en Abyssinie, exécuté pendant? les années 1839-43, 
par une commission scientifique, consisting of MM..T. Leresvre, 
Lieutenant, A. Perir and Quarrin Ditton, Naturalists. The 
work is in the course of publication, and will consist of 34 nam- 
bers, consisting .each of 6 plates, (12 fr.,) and 12 numbers, each 
a half volume of text, (7 fr.) yee 
Die Organisation der Trilobiten aus ihren lebenden verwandten 
entwickelt; von H, Burmeister, &c. 6 copperplates. Berlin, 1845. 
Flora Antarctica, or the Botany of the Antarctic Voyage of 
the Erebus and’’Terror, 1839-43, is in the course of publication. 
Sibthorp’s Flora Greca, or descri ptions of rare’ plants from’ the 
Grecian Archipelago; by:Ji E. Sairu_ and) J) Linvpvey."' 10 vol., 
royal folio, containing 1000 beautifully colored:plates. ’ The ex- 
penses'of this splendid work were upwards of 30,000 pounds, and 
were defrayed frony the proceeds of an estate left by M. Sibthorp 
for that purpose). As:dhly thitty complete copies were sold, each: 
cost the estate upwards of.a’ thousand pounds: ‘The’ original 
price, 240 guineas, is now reduced to 40 guineas, as the plates 
announce elgignn ee cOrucriyaib: To? VOCSE OL af Pal Bilis 
_ The British..Desmidia,. with» colored: figures,.of the speciesy 
; rs i i ¥ 
uinea. 
: Taylor’s Scientific Memoirs. Part xiv contains :— 
Holtzman, on the Heat and Elasticity of Gases and Vapors, 
and Theory of Steam Engines. Magners, on the Expansive 
Force of Steam. Berzelius, on the Allotropy of Elementary 
_ Emmerich, on the Morphology, Classification and Dis- 
tribution of Trilobites. Biot, on Polarized Light. 
