Published in Proceedings of the California Academy of Sciences, in 1968, in volume 30, pages 357-380
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 30, pages 381-399
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 30, pages 401-405
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 32, pages 523-580
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 32, pages 581-586
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 32, pages 587-677
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 35, pages 273-320
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 35, pages 321-336
Published in Proc. Calif. Acad. Sci., Ser. 4, in 1968, in volume 35, pages 371-400
Published in Proc. Calif. Acad. Sci., Ser. 4, in 1968, in volume 35, pages 401-424
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 35, pages 425-476
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 35, pages 477-586
Published in Proc. Calif. Acad. Sci., in 1968, in volume 36, pages 1-32
Published in Proc. Calif. Acad. Sci., in 1968, in volume 36, pages 33-71
Published in Proc. Calif. Acad. Sci., in 1968, in volume 36, pages 73-84
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 36, pages 85-91
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 36, pages 93-124
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 36, pages 125-146
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 36, pages 147-219
Published in Proc. Calif. Acad. Sci. (4), in 1968, in volume 36, pages 221-230
Published in Proceedings of the California Academy of Sciences, in 1968, in volume 36, pages 231-277