IV. GEOLOGY, ETC.--Permeability of Sand Rock.--By F.H. NEWELL. 8103

The Grotto of Gargas, in the Pyrenees.--Paleontological

remains found therein. 2 engravings. 8103

Remarkable Wells and Caverns in Yucatan.--By ALICE D. LE

PLONGEON. 8105

V. NATURAL HISTORY.--The Cabbage Butterfly and the Peacock

Butterfly. 8105

VI. BOTANY AND HORTICULTURE.--The Bhotan Cypress (Cupressus

torulosa).--With engraving. 8106

Scientific American Supplement, No. 508, September 26, 1885 · 第 15 / 73 题