VI. NATURAL HISTORY.--Winter and the Insects.--An engraving.

Silk Worm Eggs.--With engraving.

VII. HORTICULTURE.--The Melleco.--Ullucus tuberosa.--With

engraving.

VIII. PHYSIOLOGY, MEDICINE, ETC.--Histological Methods.--Section

cutting machines.--Methods of preserving the

tissues.--Preservative media.--Preparation for mounting

tissues.--1 figure.

Life History of a New Septic Organism.

Erythroxylon Coca as a Therapeutic Agent.--By Dr. E.R. SQUIBB.

* * * * *

Scientific American Supplement, No. 492, June 6, 1885 · 第 7 / 59 题