--2 figures.
Diamond Mining in Brazil.--With engravings showing the dam
on the Ribeirao Inferno at Portao de Ferro, and the arrangement
of the machinery.
III. ELECTRICITY, ETC.--The Frankfort and Offenbach Electric
Railway.--With 3 engravings.
Possibilities of the Telephone.--Its use by vessels at sea.
Pyrometers.--The inventions of Siemens and others.
IV. ARCHAEOLOGY.--The Cay Monument at Uxmal.--Discovered by
Dr. Le Plongeon on June 1, 1881.--With engraving.
V. ASTRONOMY.--The Temperature of the Solar Surface Corresponding
with the Temperature Transmitted to the Sun Motor.--By
J. ERICSSON.--With 2 engravings of the sun motor.
VI. HORTICULTURE.--Halesia Hispida, a Hardy Shrub.--With engraving.
Windflowers or Anemone.--With engraving.
VII. MEDICINE, HYGIENE. ETC.--What we Really Know about
Asiatic Cholera.--By J.C. PETERS, M.D.
Dr. Koch on the Cholera.
Malaria.--The natural production of malaria and the means of
making malarial countries healthier.--By C.T. CRUDELI, of Rome.
Story of Lieut. Greely's Recovery.--Treatment by Surgeon
Green.
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