1880. | the United States for the year 1879. 257 
sion of the general subject and of the questions pertaining to the 
two families now considered; a rearrangement of the genera and 
sub-genera under each, and lists of all the known species of each 
genus with their synonymy. 
Mr. C. D. Walcott, in four pages printed in advance of the 
Thirty-second Annual Report of the New York State Museum 
of Natural History, publishes “Descriptions of new species of 
Fossils from the Calciferous formation,” embracing five new forms. 
He has also published a pamphlet of thirty-eight pages and two 
plates, in advance of Vol. x, Transactions of the Albany Institute, 
with the triple title, “The Utica Slate and Related Formations ; 
Fossils of the Utica Slate; and Metamorphosis of 7riarthrus becki.” 
In these papers Mr. Walcott presents some interesting discussions, 
makes known important facts bearing upon the subjects indicated 
by the titles, and proposes the genera Cyathophycus and , Disco- 
phycus. The Thirty-first Annual Report of the New York State 
Museum has lately been issued, which contains the final publica- 
tion of Mr. Walcott’s papers, “ Notes on some sections of Trilo- 
bites from the Trenton limestone ;” “Note upon the Eggs of the 
Trilobite,” and “ Descriptions of new species of Fossils from the 
Chazy and Trenton limestone.” Mr. Walcott has also much im- 
portant material in hand, which will, when published, add largely 
to our knowledge of the anatomy of the Trilobite. 
In the January (1879) number of the Journal of the Cincinnati 
Society of. Natural History, Prof. A. G. Wetherby has an article 
entitled, “ Description of a new family and genus of Lower Silu- — 
rean Crustacea,” which is illustrated by eight figures on plate 7 in 
the April number of the same journal. The proposed new family 
and genus (Enoploura) are founded on the Anomatocystites (Atelo- 
__ eystites) balanoides of Meek, which Prof. Wetherby removes from 
the Cystidians, where it was placed by Meek, to the Crustacea. 
He also publishes in the April number of that journal, some 
interesting remarks upon the genus P%erotocrinus Lyon and Case : 
sidy, with illustrations. He thinks the genus more nearly allied 
to Eucalyptocrinus than any other, and not nearly related to Dicho- — 
crinus, as has been formerly supposed by some palzontologists. 
In the October number, pages 134-140, Prof. Wetherby has — 
“ Descriptions of new species of Crinoids from the Kaskaskia 
group of the Sub-carboniferous,” with one plate of illustrations. ao 
He has also in press, a revision of certain species- of Lee. = 
which have been referred to the genus Levins. 3 ce 
