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.

VIII. MISCELLANEOUS.--Bayle's New Lamp Chimney.--With engraving.

Lieut. Greely before the British Association.

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THE FRANKFORT AND OFFENBACH ELECTRIC RAILWAY.