Published in Transactions of The San Diego Society of Natural History, in 1975, in volume 17, pages 279-292

Published in Transactions of The San Diego Society of Natural History, in 1975, in volume 17, pages 293-304

Published in Transactions of The San Diego Society of Natural History, in 1975, in volume 18, pages 9-23

Published in Transactions of The San Diego Society of Natural History, in 1975, in volume 18, pages 75-84