Complex sentence: Douglass received his Master of Science degree at the University of Montana in 1899 (ethelingalls), the next year he held a fellowship in biology at Princeton University (ethelingalls) and he was granted a fellowship in geology (social).
Split into simpler sentences: Douglass received his master's of Science at the University of Montana in 1899 (ethelingalls). The following year he held a fellowship in biology (ethelingalls) and he was granted a fellowship in geology at Princeton University (social).