vi CONTENTS OF VOL IV. 
pai ap . 874. Fragaria Gillmani, p. 497. New Plants, p. 438. Palms 
the Sa oio prede p. 438. The Irritability of the Stamens in the 
And p.438. The salts Plant, p. 495. On the Laws of sou 
tion and its sd to Sex in Plants, p. 511. On Objections to Darwin's 
Theory of Fertilization through Ded Agency, p. 512. Nutrition cm 
Sex in Plants, p. 562. ichardsonia scabra, p. 558. cclimatization of 
Palm Trees, p. 559. Fertilization of Salvia by Humble Bees 
Motion in the Leaves P Rhus toxicodendron, p. 689. Bur Grass, p. . 689. 
Wolffia in Blossom, p. 
LOGY. — Relation of the Physical to the Biological Sciences, p. 46. 
Notes on the Ducks found on the Coast of Massachusetts in Winter, p. 
9. Is Huxley's Bathybius an Animal? p. 50. Reason and Instinct, p. 51. 
i Deeks 
e 
South, p. 52. Blackbirds in Winter, p. 52. How the Sculptured Turtle 
deposits her Eggs, p. 53. Anecdote of the Sparrow-hawk, p. 53. Hybrid 
Fowls, p. 53. The Ruby-crowned vno pp. 54, 376. is: Crocodile in 
F onde, p.54. House Sparrow, p. 54. orphism in the Higher Worms, 
p. 5 Disposal of the Placenta, p. 56. generi Red Bird, p. ig The 
pone p.57. The Great Auk, p.57. A Rare Visitor, p. 57. e Cow 
Bird, p.58. Occurrence of the Brown Pelican in heats p. 58. 
The Chipmunk, p. 58. Albino Rodents, p. 58. Conchological iar of 
the Academy of Natural Sciences, Philadelphia, Nov. 4, 1869, p. A 
Rare Duck, p. 126. External Gills in Ganoid Fishes, p. 127. The ties 
of Ichthyosaurus and Plesiosaurus, p. 127. The Organs of Eds 
and Smell in Insects, p. 197. Albino Bara Swallow, p. 127. Spi 
Horns (with a cut), p. 188. Adirondack’s Reply, p. 189. Habits of n 
Striped Squirrel, p. 249. Conchological Notes, p. 250. Functions of the 
Nerve-centres of the Frog, p. 250. The Compressed Burbot or Eel Pout, 
p.251. A White Woodchuck, p. 252. Rare Birds in Nova Scotia, p. 253. 
A New Insecticide, p. 313. Fauna of Round Island, p. 314. Position of 
the Brachiopoda in the Animal Kingdom (with cuts), p. 314. The Ru 
Song of the Song Sparrow, p. 378. The Pigeon Hawk, p. 439. The 
Flight of Birds and Insects, p. 439. Pe zdogenesis in the Birlopidee, p. 
439. Curious Conduct of a Sharp-shinned Hawk, p. 439. Partheno- 
