V. NATURAL HISTORY, ETC.--Preservation of Insects.

An Accomplished Parrot.

The Roscoff Zoological Laboratory.--The buildings and

rooms.--The aquarium.--Course of study.

The Murænæ at the Berlin Aquarium.--With engraving.

Metamorphosis of Arctic Insects.

VI. MEDICINE. ETC.--A Year's Scientific Progress in Nervous and

Mental Diseases.--By Prof. L.A. MERRIAM.--Report to the

Nebraska State Medical Society.

Scaring the Baby Out.

VII. MISCELLANEOUS.--Wage Earners and their Houses.--Manufacturers

as landlords.--Experiments of Pullman, Owen, Peabody, and

others.

The Locked and Corded Box Trick, with Directions for making

the Box.--By D B. ADAMSON.--9 figures.

A Perpetual Calendar.--With engraving.

* * * * *

Scientific American Supplement, No. 520, December 19, 1885 · 第 5 / 40 题