. 
: 
Iy CONTENTS OF VOLUME VI. 
VISIT TO THE ORIGINAL LOCALITY OF THE New SPECIES OF 
RCEUTHOBIUM IN WARREN County, N.Y. By C. C. Parry,M.D., 
On THE WYANDOTTE CAVE AND ITS Fauna. Illustrated. By Prof. 
E. D. Cope, s 
NEw Tetoxoon FROM THE iR I Nusiratem ‘By ey. sahtel 
Lockwood, 
ON THE USE OF ii onsen Suse os AS AN an TO bk- 
POWER DEFINITION. By Dr. J. J. Woodward, EE e 
SOME OF THE FAMILIAR dik oF Inpra. By Rev HL J. Bruce 
Tue CURIOUS History or a BUTTERFLY. By Samuel H. Sodaaek 
ON THE GEOLOGY OF THE ISLAND OF AQUIDNECK AND THE NEIGH- 
BORING PARTS OF THE ir ag OF NARRAGANSET Bay. With a 
plate. By Prof. N. S. Shal de See ete GBR, GbE 
THE New IMMERSION Pee Illustrated. By R. H. 
Ward, M.D., Se erate ecules 
ON THE CAUSE OF on a IN Sae OF OUk NATIVE 
mun AND e OF THE PROBABLE REASONS WHY 
‘Eur VIN AVE sO negra FAILED WITH US. 
paar: By Pre C. V. Rile . e aie eee 
SEQUOIA AND ITs History. By Prot. ger Gia 
ON THE OCCURRENCE OF aoe Urns IN BRAZIL. Fataki. By 
Prof. Charles Fred. H 
NOTES ON AvomonaL eo Iowa AS : hepa ài lihis 
trated. By n G. Henderson, . 
Cosmmunoxs TO THE NATURAL krón OF THE Se OF 
III. By Prof. James Orton, 650 
NOTES ON THE oe Vedurviecks OF THE LOWER Wanat a EY. By 
Robert Ridgway, . Ses le re ce ee eee 
ego tor cu FROM THE i Rocky Moumbaina. By Samuel H. 
UT en Sige ON ea ee oe ee 
THE cures ene AGE OF THE CoaL oF Wyoming. By Edward 
POOG rs a ke 669 
EFFECTS OF EXTRAORDINARY SEASONS ON THE DISTRIBUTION OF 
ANIMALS AND PLANTS. By Prof. N. S. Shaler, —. e 3 3 671 
Tue BALTIMORE ORIOLE AND CARPENTER-BEK. = Rev. Samuel = 
Lockwood, 21 
THE CALIFORNIAN TRIVIA AND o oni Pont IN ITS Dispeeebrion. r 
Ilustrated. Pe Robert E. C. Stearns, . £ x 732 
THE ALPINE FLORA OF COLORADO. By Rev. E. L Grane, ook 734 
CERTAIN PECULIARITIES IN THE CRANIA OF THE Motto- soine: 
Illustrated. By J. W. Foster, LL. D., . roe oe i 738 
ON THE RELATION BETWEEN ORGANIC Vok. AND Sey. By Prof. 
Rony HOO, o vi eee ye 8 ee ae ee TAT 
REVIEws AND Book Norticres.— Norwegian Zoology, p. 37. New Gala- 
pagos Birds, p. 38. Recent British Ostracodes, p. 38. The American 
Entomologist, p. 39. The Fossil Plants of Canids, p. 99. Anthropolog- 
