246 Dr. F. A. Genth on a supposed New Element. 
until the 10th of November. The latter half of that month was 
cold and stormy, with flights of snow. 
Floral Calendar.—March 8th, Pewee heard; 10th, Yellow 
Crocus in bloom; 15th, white and purple Crocus; 17th, Hepati- 
ca triloba—a week later than usual; 19th, Cat-bird heard, Crown 
Imperial one and a half feet high. Gt 
April 3d, Crown Imperial in bloom; 11th, Sanguinaria Cana- 
densis, Hyacinth; 17th, Plum and Imperial Gage ; 23d, Peach in 
bloom on the hills, where it escaped the cold of January ; 26th 
Pear tree ; 27th, Apple tree—it is usually a week or more behind 
the Peach, but this year nearly at the same time. 
May 8th, Quince in bloom, where it escaped the cold; 9th, 
Cornus Florida; 13th, Tradescantha virg.; 14th, Weigelia rosea, 
Syringa fragrans; 15th, Mocasin flower, yellow and white; 24th, 
Locust tree ; 27th, Syringa Philadel phica. noni 
June 18th, White Lily, and Amaryllis formosissima ; 21st, Red 
Raspberry ripe ; 28th, Wheat harvest begins; 29th, Asclepias de- 
currens in bloom. 
’ July 2d, Actea racemosa in bloom; 4th, Early Chandler apple 
ripe ; 22d, Blackberry ripe. 
Art. XXIX.—On a probably new element with Iridosmine and 
Platinum, from California; by Dr. F. A. Gentu.* 
with water. With a good magnifying glass I found that they 
tin; they dissolved in nitric acid, yielding a crystalline aa ar 
phuric acid precipitated the solution in nitric acid brown. AP y 
on cooling wer opalescent ; the same reaction took place ™ 
* From the Proceedings of the Acad. Nat. Sci, Philad, Dec, 186% P- 90 
