208 



SCIENCE. 



[Vol. XIV. No. 346 



Exchanges. 



[Exchanges are inserted for subscribers free of charge. 

 Address N. D. C. Hodges, 47 Lafayette Place, New 

 York.l 



" I wish to exchange Lepidoptera with parties in the 

 eastern and southern states. I will send western species 

 for those found in other localities." — P. C. Truman, 

 Volga, Brookings Co., Dakota. 



Shells and curiosities for marine shells, curiosities or 

 minerals address W. F. Lerch, No. 308 East Fourth St., 

 Davenport, Iowa, 



I want to correspond and exchange with a collector of 

 beetles in Texas or Florida. — Wm. D. Richardson, 

 P.O. Box 223, Fredericksburg, Virginia. 



100 botanical specimens and analyses for exchange. 

 Send list of those desired and those which can be fur- 

 nished, and receive a similar list in leturn. Also pabinet 

 specimens and curiosities for the same. Scientific corre- 

 sDoiidence solicited. — E. E. Bogue, Orwell, Ashta. 

 County, O. 



I will sell to chapters or individual members of the 

 Agassiz Association, 25 fine specimens of fossil plants 

 from the Dakota group (cretaceous), correctly named, for 

 $9.50. Send post-office order to Charles H. Sternberg 



rs "), 1033 Kentucky 

 ; photograph! 



(author " Young Fossil-H 

 Street, Lawrence. Kan. 



One mounted single achror 

 making 4X5 pictures, in excellent condition ; also om 

 "new model" double dry-plate holder (4' X 5°), for fine 

 geological or mineralogical specimens, properly classi- 

 fied. — Charles E. Frick, loio West Lehigh Avenue, 

 Philadelphia, Penn. 



Drawings from nature — animals, birds, insects, and 

 plants — to exchange for insects for cabinet; or I will 

 send them in sets of ten each for ten cents in stamps. 

 My drawings in botany are in detail, showing plant, 

 leaves, flowers, seed, stamens, pistils, etc. — Aida M. 

 Sharp, Gladbrook, lo. 



The undersigned wishes to make arrangements for the 

 exchange of Lepidoptera of eastern Pennsylvania for 

 those from other localities. All my specimens are named 

 and in good condition. — Charles S. Westcott. 613 North 

 17th Street, Philadelphia, Penn. 



California onyx, for minerals and coins not in my col- 

 lection.— W C. Thompson, 612 East 141st Street, New 

 York, N.Y. 



A few first-class mounted birds, for first-class birds' 

 egc;s of any kind in sets. — J. P. Babbitt, secretary 

 Chapter 755, 10 Hodges Avenue, Taunton, Mass. 



Wants. 



A YOUNG MAN can have lucrative engage- 

 ment, not only a fixed salary, but accord- 

 ing to his work accomplished in travelling for 

 Science. A personal interview invited. 

 N. D. C. HODGES. 



47 Lafayette Place, N^ew York. 



LIGHTNING. — Concise descriptions of 

 the effects of lightning- discharges are de- 

 sired. Stale whether the object struck was pro- 

 vided with a lightning rod, the character ot the 

 rod, and the way in which it was set up. Be- 

 ginning at the top, describe briefly the effects.. 

 State whether there was any smoke or dust 

 raised, and whether there wns any odor. Any 

 reports of recent and of especially interesting 

 discharges will be published in Science. — Sci- 

 ence, 47 Lafayette Place, New York. 



DAFT ELECTRIC LIGHT COMPANY. 



Power Stations. 



Stationary Motors 

 M2 to 100 H.P. 



Electric Railways. 



Car Motors 15 to 

 250 H.P. 



Executive Office, 1 15 Broadway, N.Y 



FACTORY, JERSEY CITY, N. J. 



Please Mention "Science.' 



GUARANTY INYESTMENT COMPANY 



CAPITAL $250,000. 



71 Guaranteed Farm Mortgages 7°| 







The Company sends each year to Kansas and Nebraska for the pur- 

 pose of examining its loans and methods of business a 



COMMITTEE OF INVESTORS. 



The Committee for 1889 visited Fifty counties in the two States, ex- 

 amined over 100 farms on which loans had l^een made and reported 

 every one to be SAFE, 



The Company will be glad to send to any address the Report of the 

 Committee which presents a very interesting statement of the general 

 development of Kansas and Nebraska. 



A large number of loans equally as good as any examined by the 

 Committee are always on hand for sale. 



Address for Monthly Bulletin and Investors'' Committee Report 



HENRY A. RILEY, General Eastern Manager, 191 Broadway, N.Y. 



