THE CONCHOLOGISTS EXCHANGE. 



A monthly publication devoted to Cpncholojfists and their interest-*. Scientists generally 

 will find it to their interests to subscribe to this paper as *Kxclians:e' columns are pro- 

 vided for the disposal of Shells, Scientific specime s erenerallv, and Books. Subscription price, 

 25c per annum; to foreign countries, 35c; sample copy on application. 



Address ^M. I>. AVEREl.Ti, Editor aiul Pnblislier, 



Chestnut Hill, Philadelphia, Pa. 



Bayborn Literary and Musical Institute, 



PROF. ALBERT MATSON, Principal. 



D Street, bet. 7th and Stli, 



San Diego, Cal. 



American Monthly Microscopical Journal. 



A periodical /or all who use microscopes either professionally 

 or as amateurs. 

 "I am much pleased with the Journal and have received much valuable information." 

 "I learn many new thinsfs f ^^om it, and I ain sure that it is the case with all who read it." 

 ii^Specimen copies sent free on application. 



Editor, Business Maxagkr, 



JHENRT I.. Ot^BORN, Ph. B., RITFUS \\. J>i:BHiN«, 



Lafayette, Indiana. Washington, D. C. 



THE SAN DIEGO UNION. 



DAILY AND WEEKLY. 



SAN DtEQO UNION CO., Proprietors. 



The Union was established in 1868. Until 

 1871 it was published only once a week, 

 when a daily edition was begun. The Daily 

 Union is pnbliahed every mornins: except 

 Monday. Thb Wbbkly Union is published 

 every Thursday. 



Thk San Diego Union is the oldest of the 

 41 newspapers published in Southern Cali- 

 fornia. Of the 389 papers published in the 

 State, 297 have been started since it bejran 

 publication. It is more than five years older 

 than 245 of the journals of California, and 

 more than ten years the senior of 168 of 

 them. It has a larger bona tide circulation 

 than any other newspaper published in South- 

 ern California. 



THE WEEKLY UNION. 

 A large, ei^ht-pajre paper of fifty-six columns, 

 circulates very largely abroad, as well as at 

 home. It goes to nearly every family in the 

 county, and its subscribers "stay \vlth it." 

 It is conceded to be the best California weekly 

 published out of San Francisco. Both daily 

 and weekly editions circulate largely through 

 Southern California, Arizona, New Mexico 

 and contiguous te ritory. It has subscribers 

 in thirty-five of the thirty-eight States^ hh<1 

 in six of the ein^ht Territories, in British 

 Columbia, Canada, England, Scotland, Ire- 

 land, France, Germany, Switzerland, Italj . 

 Spain, the Sandwich Islands, China, Japan 

 and the Australian Colonies. The wide circu 

 lation. influential position and representative 

 character of the paper are undisputed. Per- 

 sons wishing accurate information respectini; 

 the Southern part of California should sub- 

 scribe for The Union. Sample copies sent on 

 application. 



TERMS. 



The Wbkelt Union. | The Daily Union. 



One Year $3 GO | One Year. . . .§10 00 



Six Months 1 GO i Six Months. . 5 00 



Three Months. .. 75 I Three Months 2 50 



One Month 25 | One Month.. 100 



AddKiw, THE UNION, Sak Diego Cal. 



^cienffici^mericaii 



ESTABLISHED 1846. 



The most popular Weekly newspaper 

 devoted to science, mechanics, engineering, 

 discovpries, inventions and patents ever 

 published. Every number illustrated with 

 splendid engravings. This publication 

 furnisbcs a most valuable encycUp'-dia 

 of Information which no person ebould 

 be without. The pnpulHilty of the Scikn- 

 TiFio AMBiaoAN Is Buch that its circula- 

 tion nearly equals that of all other papers 

 of its clasH combined. Price, $3 20 a year. 

 Discount to Clubs. Sold by all newsdeal- 

 ers. MUW fi CO., Publishers, No. 361 

 Pr-'>n^v ay, New Torlr. 



rH^n-aiV^ Munn & Co. 

 .• '.It.' piaciice before the Putent 



OflQce and have prepared more than 

 On« hundred thousMtid applica- 

 tions fur Patents in the United btnteB 

 and foreign countries. Caveats, 

 'Irade-Marks, Copy-rlRhts, Assign- 

 ments, and all other papers f> r se- 

 curing to irveniOTS th< ir rights In 

 the United States, Cannda, England^ 

 France, Germany, and other for ign 

 countries, prepared at short notice 

 and on reasonable terms. 

 Information as to obtaining pat- 

 eucs cheerfully given without charge. Hand- 

 books of information sent free. Pafents 

 obtained through Munn h Co. are noticed 

 in the Scientific American free. The ad- 

 vantage of such notice is well underst" od'. 

 by all persons who wish to dispose of their' 

 patents. 



Address MONN k CO., Office Sciektifio 

 Akbkioam, 361 Broadway, New York. 



