392 Scientific Intelligence. 
cite, nearly 5 feet thick, exists, due to a  etamet dike intersecting the 
Carboniferous formation which is much t he authors state that 
this metamorphism and disturbance must oe ‘taken ast after the Car- 
oniferous age. 
8. Defense des Colonies: III, Etude Générale sur nos Etages G-H, 
avec eae spéciale aux environs de Hlubocep, pres Prague; by 
Joacuim Barrande. 3868 pp. 8vo., with a chart and a sheet of profiles. 
1865. es and Paris.—Barrande has discussed in this work the sub- 
ject of “ Colonies” as connected with the distribution of Paleozoic —_ 
ina way to command attention and excite an interest in his views. 1e 
volume is also very valuable for the review it gives of the pie of 
emia. No justice to the work can be done in a brief notice—which 
is all that our space in this number will allow; and we iemaed the vol- 
= entire to all interested in geological scien nee 
9. Supplement to the Ichnology - New England. —A Report to the 
Government of Massachusetts in 1863. By Enwarp ———— dD. 
D., late Professor of Geology in Amherst College. 96 pp. with 
20 latee. Boston, 1865 soThis Report, the last work of rae 2 Profes- 
sor Hitchcock, contains descriptions and illustrations of ne 
t 
foi The bones of the right foot of the Saurian remains found 
near the ar of the Armory at —— and partly described 
and commented upon by Professor J, Wyman at p. 187 of the Ichnol- 
ogy, are hated on one of the plates of this he Oe The opinion 
P 
‘row, it would indicate a relation to Pterodactyles or Birds. The species 
is named Megadactylus polyzelus. 
10. New Dinosaurian from the Wealden Formation, Isle of Wight— 
A new Dinosaurian, for which Prof. Owen has proposed the name Poly- 
acanthus (trom mov; many and axavrGos spine), has been found by Rev. 
shut foot. Tt had a bony armor end of plates from 4 in. a broad, 
in. thick, excepting along the back, over which there was a saat bony 
shield; and along the sides of the body and tail there were spine-like 
bones, s which are 15 in. long and weigh 7 pounds.— Atheneum, 
— We say roan because it takes up but a single branch— 
ae to the species of Massachu- 
