| TABLE OF CONTENTS. |
|---|
| I. | [NATURAL HISTORY.--Fishes of Cuban Waters.] |
| [Panax Victoriæ.--1 Illustration.] |
| [A Note on Sap. By Prof. ATTFIELD.] |
| [The Crow.--Illustration.] |
| [The Praying Mantis and itsAllies.--Illustration.] |
| [May Flies.--2 illustrations.] |
| II. | [TECHNOLOGY.--A Quick Way to Ascertain the Focus ofa Lens.--1 diagram.] |
| [The History of the Pianoforte. By A.J.HIPKINS.--Different parts of a pianoforte and their uses.--Inventorof the instrument and his "action."--First Germanpiano-maker.--Square pianos.--Pianos of Broadwood, Backers,Stodart, and Erard.--Introduction of metal tubes, plates, bars, andframes.--Improvements of Meyer, the Steinways, Chickerings, andothers.--Upright pianos.--Several figures.] |
| III. | [MEDICINE AND HYGIENE.--The Poisonous Properties ofNitrate of Silver and a Recent Case of Poisoning with the Same. ByH. A. MOTT, Jr.] |
| [Tubercle Bacilli in Sputa.] |
| [Malaria. By Dr. JAMES H. SALISBURY.--VIII. Localobservations.--Effect of the sun on ague plants.--Investigationsinto the cause of ague.--Notes on marsh miasm.--Analysis of malaria plant.--Numerous figures.] |
| IV. | [ENGINEERING.--Torpedo Boats.--Full pageillustration.] |
| [Pictet's High Speed Boat.--Several figures anddiagrams.] |
| [Initial Stability Indicator for Ships.--4figures.] |
| V. | [ELECTRICITY, LIGHT, AND HEAT.--Scrivanow'sChloride of Silver Pile.--2 figures.] |
| [On the Luminosity of Flame.] |
| VI. | [CHEMISTRY.--New Bleaching Process, withRegeneration of the Baths Used. By M. BONNEVILLE.] |
| [Detection of Magenta, Archil, and Cudbear inWine.] |
| VII. | [ARCHITECTURE.--The Pantheon at Rome.] |
| VIII. | [MISCELLANEOUS.--The Raphael Celebration atRome.--3 Illustrations.] |
| [Great International Fisheries Exhibition.--1figure.] |
| [Puppet Shows among the Greeks.--3illustrations.] |
