Published in Proceedings of the Biological Society of Washington, in 1942, in volume 55, pages 1-7

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 9-11

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 13-14

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 15-16

Published in Proceedings of the Biological Society of Washington, in 1942, in volume 55, pages 17-24

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 27-44

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 45-48

Published in Proceedings of the Biological Society of Washington, in 1942, in volume 55, pages 49-56

Published in Proceedings of the Biological Society of Washington, in 1942, in volume 55, pages 57-62

Published in Proc. Biol. Soc. Wash, in 1942, in volume 55, pages 63-66

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 67-69

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 71-74

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 75-78

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 79-82

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 83-84

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 85-86

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 87-91

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 93-94

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 95-98

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 103-104

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 105-108

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 109-112

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 113-119

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 121-124

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 125-131

Published in Proceedings of the Biological Society of Washington, in 1942, in volume 55, pages 133-142

Published in Proc. Biol. Soc. Wash, in 1942, in volume 55, pages 143-150

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 151-155

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 157-158

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 159-164

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 165-168

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 169-176

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 181-182

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 183-184

Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 185-192