- Description of a new water mungoose from East Africa
Vol 25, Page 1, Date 1912
- Notes on the distribution of some Colorado mammals
Vol 25, Page 3, Date 1912
- A new weasel from Costa Rica
Vol 25, Page 9, Date 1912
- Three new Phloeothripidae (Thysanoptera) from Texas and Michigan
Vol 25, Page 11, Date 1912
- Seventeen new East Indies crinoids belonging to the families Comasteridae and Zygometridae
Vol 25, Page 17, Date 1912
- A new species of Demiacen/or and notes on other North American Ixodidae
Vol 25, Page 29, Date 1912
- Professor Robert Collett on Pterycomhus brama Fries
Vol 25, Page 39, Date 1912
- A new Carex from Alberta
Vol 25, Page 51, Date 1912
- The status of Butorides brunescens (Lembeye)
Vol 25, Page 53, Date 1912
- Two new American pikas
Vol 25, Page 57, Date 1912
- Two new murine rodents from Turkestan
Vol 25, Page 59, Date 1912
- New genera and species of North American Thysanoptera from the south and west
Vol 25, Page 61, Date 1912
- Six new East Indian crinoids belonging to the family Charitometridae
Vol 25, Page 77, Date 1912
- A new puma from Lower California
Vol 25, Page 85, Date 1912
- Descriptions of some new species and subspecies of birds from tropical America
Vol 25, Page 87, Date 1912
- The Trinidad opossum on Martinique
Vol 25, Page 93, Date 1912
- Fossil crocodiles from the Canal Zone
Vol 25, Page 94, Date 1912
- A new record for Microsorex in New York
Vol 25, Page 96, Date 1912
- Diagnoses of some new genera of American birds
Vol 25, Page 97, Date 1912
- Descriptions of five new birds from the west coast of Sumatra
Vol 25, Page 103, Date 1912
- A new subspecies of pronghorn antelope from Lower California
Vol 25, Page 107, Date 1912
- A new subspecies of mountain sheep from western Texas and southeastern New Mexico
Vol 25, Page 109, Date 1912
- New species of Anisopidae (Rhyphidae) from tropical America.
Vol 25, Page 111, Date 1912
- The generic names Cercomys and Proechimys
Vol 25, Page 115, Date 1912
- The technical name of the Tasmanian Devil
Vol 25, Page 116, Date 1912
- The cranial and dental characters of Chilophylla
Vol 25, Page 117, Date 1912
- Wootonella, a new genus of Carduaceae
Vol 25, Page 119, Date 1912
- Description of new fishes of Bermuda
Vol 25, Page 121, Date 1912
- A new member of the Perognathus parvus group of pocket mice
Vol 25, Page 127, Date 1912
- The Warner Mountain cony
Vol 25, Page 129, Date 1912
- A new chamois from the Apennines
Vol 25, Page 131, Date 1912
- Notes on the salamanders of the North Carolina mountains, with descriptions of two new forms
Vol 25, Page 135, Date 1912
- Natural history notes on some Beaufort, N. C, fishes, 1910-11. No. I. Elasmobranchii-with special reference to utero- gestation
Vol 25, Page 141, Date 1912
- Notes on the mammals of Mt, Greylock, Massachusetts
Vol 25, Page 157, Date 1912
- Description of a new Anolis from Brazil.
Vol 25, Page 163, Date 1912
- Natural history notes on some Beaufort, N. C, fishes, 1910-1911. No. II, Teleostomi
Vol 25, Page 165, Date 1912
- Mammals from Yunnan and Tonkin
Vol 25, Page 177, Date 1912
- Five new mammals from Asia
Vol 25, Page 181, Date 1912
- The names of the Rocky Mountain goats
Vol 25, Page 185, Date 1912
- The type locality oi Proechimys steerei Goldman
Vol 25, Page 186, Date 1912
- Two preoccupied names
Vol 25, Page 187, Date 1912
- Note on an isopod name
Vol 25, Page 188, Date 1912
- A new peccary from Costa Rica
Vol 25, Page 189, Date 1912
- Physignathus cocincinus and its subspecies.
Vol 25, Page 191, Date 1912