Geology. Q77 
2. Fossil Crustaceans froin the Coal Measures and Devonian Rocks of 
British America; by J. W. Sautsr, (Q. J. Geol. Soc., xix, 75, a and ak 
—The specimens described were furnished Mr. Salter by Dr. J. W. Dawe 
son. The Devonian species are from St. Johns, New Br unswick ; one is 
asmall Hurypterus; for the other, of undetermined relations (but sup- 
posed to be possibly related to the Squilla group), the new genus Amphi- 
4 
Nova Scotia, and belong to two species, one a Hurypterus, the other re- 
garded (and pens with good reason) an Amphipod, and named 
Diplostylus Dawsoni. 
3. On the Cam sin and Huronian Formations; by J. J. Biessy, 
may recall to mind some which existed: in the Mesozoic period, it must 
be allowed that that number forms the minority, and that, on the con- 
trary, the great bulk of the Permian species, to whatever anes they may 
belong, bears the most positive Paleozoic stamp, and that the species — 
in many cases the same that lived in the Carboniferous era, and som 
even in the Devonian 
5. On fossil Hs therie, and their distribution; by T. Rupert Jongs, 
se J. Geol. Soc., xix. 140) .—The Ostracoid Crustaceans, called Estheria 
n genus 
vania, named by Lea Cypricardia sabes, Mr. Jones regards as a new 
genus of Ostracoids, and names it Leaia, giving the species the name 
lyi. It is closely allied to,a species from the Lower Car 
erous of puso —_ and. 
- On a new Labyrinthodont Reptile, Anthracosaurus Russelli, 
the Lenerbidéin Coal. field j by T. H. Huxury, (Q. J. Geol. Soc., xix, 56). 
—The fossil is a “= of a skull, measuring 15 inches in length and nearl 
12 in breadth. des this, there are vertebral bodies and a rib whi 
probably belong to ihe Anthracosaurus. Professor Huxley regards the 
Species as related to the Triassic Mastodonsaurus. He observes that the 
Vertebree closely Sle A in section the vertebre of the Hosaurus (from 
