MUNN & CO. Editori e proprietari. Settimanale pubblicata al n. 361 Broadway New York. 0. D. MUNN. A. E. BEACH. Termini per la Scientific American. Mandato per posta o express Money Order. Banca coloniale note. Indirizzo MUNN & CO. 361 Broadway corner di Franklin Street a New York. Il Scientific American Supplement è emessi settimanalmente. Ogni numero contiene 16 octavo pagine di dimensione uniforme ing per l'Unione postale. Singole copie 10 centesimi. Venduto da tutti newsdealers throughcut il paese. Verrà inviato per un periodo di un anno a qualsiasi indirizzo in U. S. o Canada sulla ricevuta del modo più sicuro per mandato dal progetto di ordine postale
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MUNN & CO. Editors and Proprietors. PUBLISHED WEEKLY AT No. 361 BROADWAY NEW YORK. 0. D. MUNN. A. E. BEACH. TERMS FOR THE SCIENTIFIC AMERICAN. Remit by postal or express money order. Colonial bank notes. Address MUNN & CO. 361 Broadway corner of Franklin Street New York. The Scientific American Supplement Is issued weekly. Every number contains 16 octavo pages uniform in size ing to the Postal Union. Single copies 10 cents. Sold by all newsdealers throughcut the country. will be sent for one year to any address in U. S. or Canada on receipt of The safest way to remit is by draft postal order express money order or registered letter. rent Colonial bank notes. Address MUNN & CO. 361 Broadway corner of Franklin Street New York. Content . (Illustrated articles are marked with an asterisk.) SCIENTIFIC AMERICAN SUPPLEMENT No_ 703 For the Week Ending June 22 1889. Price 10 cents. For sale by all newsdealers. PAGE BIOLOGYOdoriferous InsectsThe perfume of insectsln ter esting notes on its observation in the field and its bearing upon the life history of the insect itself 237 practical paper on the collection and preservation of botaniCal specimens with details of the plant presses. drying apparatus etc. —3 illustrations 237 III. CHEMISTRYSteam Suction Blast and Still An apparatus cal and other products.-1 illustration 232 IV. ELECTRICITYPower Test of the Daft Electric Railway at Asbury Park N. JBy F. E. luELL M. E A lull and detailed de scription of the recent tests of the Daft electric railway with a view to the determination of its capacity and economy 231 tion of the electric arc. —2 illustrations 232 giving a most interesting portraiture of these hitherto almost undescribed regions 224 The Terrestrial Globe at the Paris ExpositionA very full de scription of the construction of the immense globe over 125 feet in circumference its framework and the peculiarities of the building containing it.-3 illustrations 223 VI. HYGIENE. AND PHYSIOLOGYDangers of Carbon Monoxide.
