Published in Transactions of The San Diego Society For Natural History, in 1968, in volume 15, pages 1-13

Published in Transactions of The San Diego Society of Natural History, in 1968, in volume 15, pages 41-50

Published in Transactions of The San Diego Society For Natural History, in 1968, in volume 15, pages 67-106

Published in Transactions of The San Diego Society of Natural History, in 1968, in volume 15, pages 133-139