Published in Biol Bull, in 1904, in volume 6, pages 55-74

Published in Biol Bull, in 1904, in volume 6, pages 123-136

Published in Biol Bull, in 1904, in volume 6, pages 266-286

Published in Biol Bull, in 1904, in volume 7, pages 79-104

Published in Biol Bull, in 1904, in volume 7, pages 127-153

Published in Biol Bull, in 1904, in volume 7, pages 193-214

Published in Biol Bull, in 1904, in volume 7, pages 263-279