Published in Biol Bull, in 1915, in volume 29, pages 41-45

Published in Biol Bull, in 1915, in volume 29, pages 50-67

Published in Biol Bull, in 1915, in volume 29, pages 68-86

Published in Biol Bull, in 1915, in volume 29, pages 87-102

Published in Biol Bull, in 1915, in volume 29, pages 111-128

Published in Biol Bull, in 1915, in volume 29, pages 149-203

Published in Biol Bull, in 1915, in volume 29, pages 204-220

Published in Biol Bull, in 1915, in volume 29, pages 262-276

Published in Biol Bull, in 1915, in volume 29, pages 308-311

Published in Biol Bull, in 1915, in volume 29, pages 333-372

Published in Biol Bull, in 1915, in volume 29, pages 373-380