-
A new species of Corambe from the Pacific Coast of North America
Ser 4, Vol 18, Page 1
-
A new bird family (Geospizidae) from the Galapagos Islands
Ser 4, Vol 18, Page 29
-
A contribution to our knowledge of the nesting habits of the golden eagle
Ser 4, Vol 18, Page 45
-
Marine Miocene and related deposits of north Colombia
Ser 4, Vol 18, Page 73
-
A new species of land snail from Kern County, California
Ser 4, Vol 18, Page 217
-
A new species of land snail from Coahuila, Mexico
Ser 4, Vol 18, Page 219
-
Some notes on Oreohelix
Ser 4, Vol 18, Page 221
-
Notes on the northern elephant seal
Ser 4, Vol 18, Page 229
-
On a small collection of birds from Torres Strait Islands, and from Guadalcanar Island, Solomon Group
Ser 4, Vol 18, Page 245
-
The generic relationships and nomenclature of the California sardine
Ser 4, Vol 18, Page 261
-
The faunal areas of southern Arizona: a study in animal distribution
Ser 4, Vol 18, Page 267
-
The escallonias in Golden Gate Park, San Francisco, California, with descriptions of new species
Ser 4, Vol 18, Page 385
-
Studies in the flora of Lower California and adjacent islands
Ser 4, Vol 18, Page 393
-
Drepania a genus of nudibrachiate mollusks new to California
Ser 4, Vol 18, Page 485
-
Some Upper Cretaceous foraminifera from near Coalinga, California
Ser 4, Vol 18, Page 497
-
Report of the President of the Academy for the year 1929
Ser 4, Vol 18, Page 531
-
Report of the director of the museum and of the aquarium for the year 1929
Ser 4, Vol 18, Page 542