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.

* * * * *




NEW SPANISH ARTILLERY.


The Spanish Government is now engaged in supplying some of its principal
fortifications with heavy guns of the most improved construction. The
defenses of Cadiz and Ceuta have been greatly strengthened in this