CONTENTS OF VOL. III. vii 
p.497. The Black Vulture in Maine, p. 498. Does with Horns, p. 548. The 
Egg of the Great Auk (Alca ipsis y; p.550. The Cow Bunting, p. 550. 
The House Fly, p. 550. A Singing Mouse, p. 551. Natural Selection, a 
Purple Martin, p. 554. The Capture of Centronyx Bairdii at Ipswich, p. 
554. Prolific Snakes, p. 555. The Haliotis or Pearly Ear Shell, p. 555. 
Cow Devouring the Placenta, p. 555. The Worm Eating Warbler, p. 556. 
h 
Verte . 
British Isles, p. 614. The Kingfisher’s Nest, p. 615. Spectrum of the 
Fire-fly, p. 615. Occurrence of an American Land Snail in England, p. 
669. Answer to ** Zoologicus," p. 670. z 
GroLoGY. — Kjækkenmæddings in Iowa, p. 54. Rheumatism in Pre- 
historic times;'p . 55. Fossil Plants from Greenland, p. 55. The Earliest 
Plant, p. 55. Prehistoric Pictures of the Cave Horse in France, p. 109. 
The Plains of Kansas, p. 162. Fossil Jelly-fishes, p.279. New Species of 
Fossil Horse in Mexico, p. 392. The Eozoon in Essex County, p. 498. 
Fossil premor p. 616. Evidences of the Gulf Stream in High Lati- 
tudes, p. 6 
Microscopy. — Ameeboid Movements in Eggs, p. 110. The Molecular 
Origin of Infusoria, p. 110. Chicago Microscopic Club, p. 111. A New 
E ipe of Preparing Specimens of Filamentous Algæ for the Microscope, 
. 164. Type-plate of Diatoms, p. 222. Method of Preserving Anim 
"Add for fine dissection, p. 498. 
MISCELLANEOUS. sete Library for sale, p. 503. Death of B. D. 
Walsh, p. 615. Museum of Comparative Zoology, p. 670. Professor 
Agassiz, p. 670. pest x Michael Sars, p. 670. 
PROCEEDINGS OF SCIENTIFIC SOCIETIES. — Historical Society of Passaic, 
N. J., p. 56. American Association for the Advancement e Science, pp. 
223, 835, 435, 499. The Worcester Lyceum and Natural History Associa- 
tion, p. vem Conchological Section, Academy of Natural Sciences of 
Philadelphia, p. 556. Chicago Academy of Sciences, p. 557. 
peo TO CORRESPONDENTS. — Pages 56, 111, 167, 223, 280, 336, 392, 
448, 503, 560, 616, 672. 
Booxs Recetvep. — Pages 56, 112, 224, 336, 448, 504, 560, 616, 672. 
Con AND ERRATA. — Pages viii, 392, 448, 647. 
List oF PLATES AND CUTS, p. viii. 
List or CONTRIBUTORS TO VOLUME I, p. 673, fii 
Grossanr, p. 675, 676. 
INDEX, p. 677. 

