













THE 
ERICAN 
ATURALIST. 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE. 





Vol. XXV. DECEMBER, 1891. No. 300 




PAGE. PAGE | 
Tae ISLAND OF MINDORO [Illustrated], J. B. tae 1041 ‘any.—The Trees and ee of the Basin ye the 
THE COMPARATIVE ig aa OF THE a re ee eee ene 
s Elli 
ra s Humphrey Saco Zoology.—Preservation of Color in Adah in a 
¥ MOUNTAIN RHIZOPODS, Eugene Penard,. 1070 | Collection—The Structure of Serpula—Metamerism 
À r paS 

HIST agii, sp. nov.—A ? 
age kite ate a], Aar geen E e posh 8 Diodont—Temperature and the Number of Vertebræ 
ce E Henry Gage, 1084 | in Fishes—Note on Gyrinophilus a Cope 
t Endowments for Scientific Re- —Color Patterns in Cnemidophoru orqual on 
S las from Washington Yow of A. the riage! Jersey Coast—New PIERE Boing leat 
—Dates of Issue of the NATURALIST,. IIIr | Ne€WS,. e - ee ee ee ee ee 113 
RECENT Pooks AND PAMPHLETS, >... ccs- I1I3 A New Larval Form from a 
Ser det —Hatschek’s Interpretation of the Ann 
ot LITE E.—Flower and Lydekker's os Trochop edit ore, - . 4137 
n akitastratea —Gems and Precious i 
Meet Atneried oona I116 Entomolozgy.— Biologic al Papers "Cp epidoiiti 
r of Buffalo — Kerosene Emulsion — Host-Plants of 







A nadn- Pectesesr Smit ve ‘ee se-Chafer — ea 
Paleont ntology.—The Age and Origin Heteroptera of Tennessee— Entomological F Personals ae 
Rocks of M the. North Sulak —Outlines of Entomology—Recent Bulle i. TES ee 
ee: —Methods of Preserving ae Em- sees 
byki or a eaea E A E E S II44 
Bobi OF SCIENTIFIC SOCIETIES, .. . . 1146 
eological News; Gen- 
OZoic ; Cenozoic, Sig.) SCHENTING NEWS re e oe 




PHILADELPHIA: 
FERRIS BROS., PUBLISHERS 
coe SEVENTH AND FILBERT STS. 

