Published in Transactions of The San Diego Society of Natural History, in 1970, in volume 16, pages 1-11

Published in Transactions of The San Diego Society of Natural History, in 1970, in volume 16, pages 13-31

Published in Transactions of The San Diego Society of Natural History, in 1970, in volume 16, pages 83-90

Published in Transactions of the San Diego Society for Natural History, in 1970, in volume 17, pages 15-24