Published in Transactions of the San Diego Society of Natural History, in 1941, in volume 9, pages 289-332

Published in Transactions of the San Diego Society of Natural History, in 1941, in volume 9, pages 333-336

Published in Transactions of The San Diego Society For Natural History, in 1941, in volume 9, pages 337-352

Published in Transactions of the San Diego Society of Natural History, in 1941, in volume 9, issue 28, pages 285-288