68 Scientific Intelligence. 



tho clotailod dosc-riptiou of thoin(li\ idual S])ooiiiu'iis in tlic 'uiisoum. 

 this little l)Ook contains some reni:\rk^ upon the ditForent kinds o 



more than a local interest. A considerable niunber of anahbeh 

 are gixen, especially for tlie ii»:ncH)us rocks. 



10. Geology oj "llUnoh. — The last \olume of the series of re- 

 poi-ts connected with the Geoloaical sur\ey of Illinois under Mr. 

 Wortluu is now in the hindei's hands. 



1 1 . Geological mnp of the United States and Canada.— \\\ a fe\\ 

 dn\s, :i (ieohv^ical chart of the United States (east of the 104tii 

 nieiidian) and ('anada, by Prof. F, II. Ukaulky, will be on sale 1)\ 

 AIcssi-v. hiM)n, Hlakeman, Ta\lor A Co., 138 and 140 Graml 

 street. Xew York, the i)ublishers of Professor Dana's works o-i 

 (-^«><)K)u\. It- ^i/e is 24 inches by ItJ. It contains all the det:iil 

 nnd ac(Mirac\ j)ossiblc on a chart of this size in the pre«ient state 

 of the science. The ixcvdogical areas are well distinguished by i 

 iiur.cious system of lining, instead of by colors, and hence the 



doihu (ach. It should be in the hands of all students in geology, 

 and is :ibsolutelv indispensable to every teacher. 



\1. EJnhitun;/ Ih die Krt/staUbererhnung ; von Prof C^rJ 

 Ki ! IV. Krste Vbtlieiluno. 208 pp. 8vo. Stuttgart, 1875.— Pio' 

 Klein dc\ clops tin sul>j,c't of Crystallography from the standpoint 



blems Avhich : 



troilite by Dr. "^mitli was read befo 

 and careful malvscs that troilite, oi 



selected specimen of the latter affording Inn 

 meteoric sulphide is found imbedded in a n 

 nr.il supposition is that the sulphur Mould 

 iron ■' Hence, he a<l.1s. " troilite like schreil 



Rc'i ntu ition of the Geoloariciil map of Michigan, cml 

 Dnttot the State, by Alexander Winchell. 17 pp. : 



