Published in Biol Bull, in 1911, in volume 20, pages 81-107
Published in Biol Bull, in 1911, in volume 20, pages 237-251
Published in Biological Bulletin. Marine Biological Laboratory (Woods Hole), in 1911, in volume 20, pages 252-265
Published in Biol Bull, in 1911, in volume 20, pages 266-280
Published in Biol Bull, in 1911, in volume 20, pages 332-349
Published in Biol Bull, in 1911, in volume 20, pages 350-366
Published in Biol Bull, in 1911, in volume 21, pages 113-121
Published in Biol Bull, in 1911, in volume 21, pages 215-221
Published in Biol Bull, in 1911, in volume 21, pages 302-338
Published in Biol Bull, in 1911, in volume 22, pages 39-59