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AMERICAN 
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Vol. XXIV. APRIL, 1890. 


CONTENTS. 
PAGE 
ON THE BRECCIATED CHARACTER OF THE ST. Zodlogy.—A Mew Actinian—Entozoa of Marine 
Louis LIMESTONE [Illus eae . C. H. Gordon, 305 | Fishes—A Two-Tailed Earth-Worm—Tortoises | 
HISTORY OF GARDEN VEGETABLES, in the Markets of Philadelphia—Zodlogical 
E. L. Sturtevant, 313 | Vermes—Arthropods—Fishes—Birds— 


nae OF THE TAXODIUM DISTICHUM Basay “Pax Paani of the Hedgehog 
y lustrated], Robert H. Lamborn, 333 | and the PRATA = the —— Se 
OM BRUTE TO MAN dae a: Caaries pres 341 Physiology 
RECORD OF AMERICAN ZodLOGy, Bay Se eet PERA 351 Electrical Phenomena i in Beaton H Heart—Relation ion of 
__EDITORIAL.—Original Research in the United States— Nerv e 
2 The Biological nar Sige of Zo- gee ae eee of Whistling on S 
; SoA National Zoölogical Garde oe oe ae E 










Mineralgy and | Petregrapho ip rn cg: News TETEA OF Siena 2 ‘ 
= ne rss Fe ee ae SCIENTIFIC NEWs.—Notes on the ah 
eee acai on Botanical Termin- Laboratory of the United States Geolo oe 
ology—Hackel's : Revision of the Andropogonea— “ander “Professor OC] ee 
Sarhs’ s History of a, eae ae ae of Dr. Parry, 369 ean Spiders, eS 


= ae PHILADELPHIA: 
FERRIS EROS. PUBLISHERS 
SIXTH AND ARCH STREETS 

ia  Post-Ofice as second-class matter. 
