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Page [i] (Issue Start, Title Page) <19, 1907>
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Page [i] (Issue Start, Title Page) <20, 1908>
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Cover
Notes on orchids new to Florida
Some observations concerning the American families of oligomyodian passeres
A new Botrychium from Alabama
Two new carnivores from the Malay Peninsula
Plantae montrosensis
The specific name of the hawk owls
The names of the passenger pigeon and the mourning dove
The proper name for the white-backed skunk of Colombia
A bear animalcule renamed
Descriptions of an apparently new species of monkey of the genus Presbytis from Sumatra, and of a bat of the genus Dermanura from Mexico
The pigmy squirrels of the Nannosciurus melanotis group
A new white-footed mouse from Texas
A new genus of sac-winged bats
Seven new Malayan bats
The status of the generic name Hemiprocne Nitzsch
A new vole from Montague Island, Alaska
Notes on a collection of fishes from the island of Mindanao, Philippine Archipelago, with descriptions of new genera and species
Twelve new genera of bats
Identity of Eutamias pallidus (Allen), with a description of a related form from the South Dakota Bad Lands
Description of a new Querquedula
Descriptions of three new mangrove crabs from Costa Rica
Notes on birds from Costa Rica and Chiriqui, with descriptions of new forms and new records for Costa Rica
Descriptions of some new forms of oligomyodian birds
Notes on the mammals of Grand Manan, N. B. with a description of a new subspecies of white-footed mouse
Revision of the genus Wislizenia
Diagnoses of new species of mosquitoes
Descriptions of new species oiAcoridium from the Philippines
New plants from the Great Basin
Notes on some American mosquitoes with descriptions of new species
Notes on some tortricid genera with descriptions of new American species
Notes on the genera of Paniceae. I
West American Mitridae-north of Cape St. Lucas, Lower California
A list of the mammals, reptiles and batrachians of Monroe County, Indiana
A new flying squirrel from the island of Terutau, west coast of Malay Peninsula
Four new pocket mice
Some uru-ecorded Colorado mammals
A new race of the hepatic tanager
An owl, Rhinoptynx clamator (Vieill.), added to the Costa Rican ornis
Some new western plants and their collectors
Description of a new Otocoris from Lower California
Some unrecognized and misapplied names of American mammals
A new race of the mangrove cuckoo, from Grenada and the Grenadines
A new Spiny-tail from the Sierra Nevada de Santa Marta, Colombia
A new South American bat
A collection of mammals from the region of Mount McKinley, Alaska
A new name for the genus Rhynchonycteris Peters
On the composition and decomposition of fresh water mussel shells with notes and queries
Notes on the mammals of southwestern Missouri
Descriptions of ten new kangaroo rats
Descriptions of new North American rabbits
A Colorado record for Callospermophilus wortmani, v/ith notes on the recent capture of Antrozous pallidus
Descriptions of two new subspecies of North American mammals
Notes on orchids new to Florida
Vol 19, Page 1, Date 1906
Some observations concerning the American families of oligomyodian passeres
Vol 19, Page 7, Date 1906-01-29
A new Botrychium from Alabama
Vol 19, Page 23, Date 1906
Two new carnivores from the Malay Peninsula
Vol 19, Page 25, Date 1906
Plantae montrosensis
Vol 19, Page 35, Date 1906
The specific name of the hawk owls
Vol 19, Page 42, Date 1906
The names of the passenger pigeon and the mourning dove
Vol 19, Page 43, Date 1906
The proper name for the white-backed skunk of Colombia
Vol 19, Page 45, Date 1906
A bear animalcule renamed
Vol 19, Page 46, Date 1906
Descriptions of an apparently new species of monkey of the genus Presbytis from Sumatra, and of a bat of the genus Dermanura from Mexico
Vol 19, Page 49, Date 1906
The pigmy squirrels of the Nannosciurus melanotis group
Vol 19, Page 51, Date 1906
A new white-footed mouse from Texas
Vol 19, Page 57, Date 1906
A new genus of sac-winged bats
Vol 19, Page 59, Date 1906
Seven new Malayan bats
Vol 19, Page 61, Date 1906
The status of the generic name Hemiprocne Nitzsch
Vol 19, Page 67, Date 1906
A new vole from Montague Island, Alaska
Vol 19, Page 71, Date 1906
Notes on a collection of fishes from the island of Mindanao, Philippine Archipelago, with descriptions of new genera and species
Vol 19, Page 73, Date 1906
Twelve new genera of bats
Vol 19, Page 83, Date 1906
Identity of Eutamias pallidus (Allen), with a description of a related form from the South Dakota Bad Lands
Vol 19, Page 87, Date 1906
Description of a new Querquedula
Vol 19, Page 93, Date 1906
Descriptions of three new mangrove crabs from Costa Rica
Vol 19, Page 99, Date 1906
Notes on birds from Costa Rica and Chiriqui, with descriptions of new forms and new records for Costa Rica
Vol 19, Page 101, Date 1906
Descriptions of some new forms of oligomyodian birds
Vol 19, Page 115, Date 1906
Notes on the mammals of Grand Manan, N. B. with a description of a new subspecies of white-footed mouse
Vol 19, Page 121, Date 1906
Revision of the genus Wislizenia
Vol 19, Page 127, Date 1906
Diagnoses of new species of mosquitoes
Vol 19, Page 133, Date 1906
Descriptions of new species oiAcoridium from the Philippines
Vol 19, Page 143, Date 1906
New plants from the Great Basin
Vol 19, Page 155, Date 1906
Notes on some American mosquitoes with descriptions of new species
Vol 19, Page 159, Date 1906
Notes on some tortricid genera with descriptions of new American species
Vol 19, Page 173, Date 1906
Notes on the genera of Paniceae. I
Vol 19, Page 183, Date 1906
West American Mitridae-north of Cape St. Lucas, Lower California
Vol 19, Page 193, Date 1906
A list of the mammals, reptiles and batrachians of Monroe County, Indiana
Vol 20, Page 1, Date 1907
A new flying squirrel from the island of Terutau, west coast of Malay Peninsula
Vol 20, Page 17, Date 1907
Four new pocket mice
Vol 20, Page 19, Date 1907
Some uru-ecorded Colorado mammals
Vol 20, Page 23, Date 1907
A new race of the hepatic tanager
Vol 20, Page 29, Date 1907
An owl, Rhinoptynx clamator (Vieill.), added to the Costa Rican ornis
Vol 20, Page 31, Date 1907
Some new western plants and their collectors
Vol 20, Page 33, Date 1907
Description of a new Otocoris from Lower California
Vol 20, Page 41, Date 1907
Some unrecognized and misapplied names of American mammals
Vol 20, Page 43, Date 1907
A new race of the mangrove cuckoo, from Grenada and the Grenadines
Vol 20, Page 53, Date 1907
A new Spiny-tail from the Sierra Nevada de Santa Marta, Colombia
Vol 20, Page 55, Date 1907
A new South American bat
Vol 20, Page 57, Date 1907
A collection of mammals from the region of Mount McKinley, Alaska
Vol 20, Page 59, Date 1907
A new name for the genus Rhynchonycteris Peters
Vol 20, Page 65, Date 1907-06-12
On the composition and decomposition of fresh water mussel shells with notes and queries
Vol 20, Page 67, Date 1907
Notes on the mammals of southwestern Missouri
Vol 20, Page 71, Date 1907
Descriptions of ten new kangaroo rats
Vol 20, Page 75, Date 1907
Descriptions of new North American rabbits
Vol 20, Page 81, Date 1907
A Colorado record for Callospermophilus wortmani, v/ith notes on the recent capture of Antrozous pallidus
Vol 20, Page 85, Date 1907
Descriptions of two new subspecies of North American mammals
Vol 20, Page 87, Date 1907