Published in Biol Bull, in 1912, in volume 22, pages 205-218

Published in Biological Bulletin, in 1912, in volume 22, pages 309-319

Published in Biol Bull, in 1912, in volume 23, pages 42-59

Published in Biol Bull, in 1912, in volume 23, pages 59-99

Published in Biol Bull, in 1912, in volume 23, pages 141-153

Published in Biol Bull, in 1912, in volume 23, pages 154-170

Published in Biol Bull, in 1912, in volume 23, pages 183-194

Published in Biol Bull, in 1912, in volume 23, pages 213-224

Published in Biol Bull, in 1912, in volume 23, pages 250-270

Published in Biol Bull, in 1912, in volume 23, pages 293-320

Published in Biol Bull, in 1912, in volume 23, pages 331-370