Botany and Zoology. 127 
worked amongst western rocks, must have regretted that Paleontolo- 
series, and are often met with in a good state of preservation, where no 
other organic remains are to be seen. Consequently when accurately 
classified, and the species and genera are fully described and illustrated,— 
The task of classifying, describing, and illustrating these remains oc- 
curring in the western rocks, has been undertaken by Dr. Prout of St, 
___ The new genera described in this paper are Semicoscinium and Septopora, 
and the new species, Semicoscinium rhomboideum, Fenestella hemitrypa, 
2, Sanyana, Limaria falcata, Flustra spatula, F. tuberculata, Septopora 
Vestriensis, and Polypora tuberculata, 
__, Dr. 8. also thinks he has identified a Permian species, Polypora biam- 
tea of Keyserling, in the Upper Archimedes Limestone, a member of the 
Lower Carboniferous Series,—at any rate no essential differences were 
, ed in the specimens compared. It is probable however, that when 
% better Specimens are obtained, showing all the characters of this Lower 
__ Carbonife 
: = 
Tous form, it will prove distinct from the Permian species, M. 
iI. BOTANY AND ZOOLOGY. 
1, Collections of Cuban Plants.—Mr. Charles Wright revisited the 
eastern part of Cuba in the autumn of the year 1858, where he still re- 
us, engaged in botanical explorations in that little-known region. 
* to 
Ter opriated, are offered for sale. 
tee’ the smallest 120 species, which may be increased by further collec- 
hate & moderate extent ca in 
son to be distributed, a very few sets are still open to subscribers, at 
Haven our a ‘ P 
» Our principal Pteridologist. 
wtoamia, made by Mr. Wright 
he Foe Hepatice by Mr. Sullivant, 
