Geology and Mineralogy. oe os 
terete spines; the eight posterior segments do. Of the three 
anterior the first from the shield does not and the second does end 
obtusely, ih the third has a spine about half the length of the 
e spines are directed outward and backward near! 
at right angles to the rest of the segment, curving slightly upward 
near the 
The aire specimen has an oblong-subelliptic general outline ; 
length abun equal ot twice the width. 
Port Jervis, N. Y., 
15. Note b ae on the pete g rocks of Colorado. 
—In the annual report of the U. 8, Geological and Geographingh 
made of the Territories for ves on 4, the statement is 
and Central bity In the report of 1873 it was stated on ores of 
silver and gold occur in the Park Range, west of South Park, in 
limestones and quarzites * heey ne ? Age, and in volcanic rocks, 
Came d Dh sare bers In the Elk Mountains, galena and other 
silve occur in necines sinooed shales and quartzites of Cre- 
ental ‘Age 
16. Geology of Sumatra.—The Geological oe for Octo- 
ber and November, 1875, contains papers by R. D. M. Verbeek 
on the geology of Sumatra, An article on four fossil Aibes, col- 
lected by Mr. Asked oly from the Lower Tertiary (or Upper Creta- 
ceous) beds, has been published by Dr. Geinitz and Dr. V. 4d. 
Marck, in the Mitth. Konig]. Min. Museum in Dresden. The 
article is illustrated by two plates. 
Report on the Geology of Wisconsin.—This Report, pre- 
tol while the survey was under the charge of the late Dr. La- 
pham, is soon to he published, the Legislature of the State having 
— $20,000 for the purpose. 
Geo. y for Students and General Readers. Part L 
: By A. H. Green, ree eee 522 pp. 
2mo, London, 1876. (Daldy, Isbistin & Co.)--This volume 
19. Bulletin of theU. S. National Museum. Deinaresnit of the 
. Published under the oe = cad Smithsonian ee 
Sisie isp Saba 1 = 2. 104 and 52 pp., 8vo.—No. 1. Contai 
ina Re si ts by E. D. Cope: (1) Checklist of N, A. atteckaa 
tilia o “or : =t 4) Cheek-list of the species of Batrachia and Rep- 
dist ~e he Nearetie or N. erican realm; (3) Geographical 
ri -. of the Vertebrata of the Neare tic realm with especial 
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0. 2, Contributions to aise Natural History of Kerguelen Is- 
