1. The process of chamber formation in the foraminifer Rosalina floridana (Cushman).;Angell;J. Protozool.,1967
2. Culture methods in the study of living foraminifera.;Arnold;J. Paleontol.,1954
3. Life history and cytology of the foraminiferan Allogromia laticollaris.;Arnold;Univ. Calif. Pub. Zool.,1955
4. Biological observation on the foraminifer Spiroloculina hyalina Schulze.;Arnold;Univ. Calif. Pub. Zool.,1964
5. A laboratory system for maintaining smallvolume cultures of foraminifera and other organisms.;Arnold;Micropaleontology,1966