Geology and Natural History. 149 
The limestone containing these corals has been traced for about 
cis the and appears to be duplicated by a Si, aed fold. It 
— the Fuvosites a and a poser sater4 The wal 
phremaog and its supposed continuation into The 
ew Hampshire gen is fifty-five miles southeasterly from the 
Canadian. As the associated rocks are somewhat similar, it is 
om that the two iabetonea are of the same age. Mr. Billings 
ponds with the — Hteterbeng series 0 fossil 
m Owl’s Head, wn to Professor Hall by the writer sev- 
eral years since, _ sree to be the peculiar Atrypa reticularis 
of the Upper Helderber erg. With our present information it is 
om 3. to say that Helderberg fossils have been pe ~ in 
+ 
maps 
Fossil Coal plants from the Aliat ; by Dr. res 
Gan ee om Cotta’s “ Der Altai,” in course of publication).— 
The coal plants here noticed were brought by Dr. Cotta from the 
Museum of Barnaoul, They are mostly of described species al- 
teady recognized there by Eichwald and others. The species 
ous d ec are Equisitites Socolowski Eichwald, Anarthro- 
a delig ns Gipp., Cyatheites Miltoni Artis, An wlaria 
longifolia Bist, Cyclopteris orbicularis Brgt., Sphenopteris an- 
a Sa hon Lepidodendron Serlii Brgt.; fa Pterophylium 
species is not a solitary case. — 1 
trated by three Tishogtaphie plates. Dr. genre remarks in 
ing that the 22 names are not Permian, and that they belong to the 
i Feliminan ner ort on the Vertebrata discovered in the Port 
Kenne dy Baus Cece by. Prof. E. D. Core, (Proce. Am. Phil. sep 
Pril 7, 1871). —This p r, mention of which is made in vol. i, 
Page 384, of this J a7 Chee 1871), contains descriptions ‘of 
8 agg of Megalonyx, MM. loxodon, M. Wheatleyi, M. dissimilis 
cays; M. sphenodon , M. tortulus, aan 2 Hirani, bards 
cinus Cope, Juculus? Hudsonius Zimm., Hesperomys ——— 
= Arvicola Giccthon Cope, A. tetradelta id., A. didelta id., A. in- 
(Pluie id. A, pacdee id ; A. hiatidens id. ; Brethizon cloacinum 
