Further Notes on the Habits of Autodax Lugubris

1903 American Naturalist  
WITH the information about the breeding habits of this salamnander obtained by Mr. Miller and myself during the summer of I899 I we supposed that in succeeding seasons we should have little difficulty in securing sufficient eggs to enable us to make a fuller study of its development. The next summer, consequently we, and particularly Mr. Miller, searched for the eggs constantly and carefully under logs and rocks and in half decayed stumps all about the San Francisco Bay region, but not a single
more » ... n, but not a single egg rewarded our efforts. I have kept up the quest each year since, but not until the present summer has anything but failure come of it. Now, wholly by accident, the usual breeding place of the species, for this locality at least, appears to have been found. This turns out to be holes in trees. The one positive, and one doubtful, instance reported by us of egg-laying in the ground seems to have been exceptional. In caring for the oaks (Qnercus agr/folia) on the campus of the University of California this summer the trees have been subjected to a treatment they have never before received. This has consisted in the careful cleaning out of the decayed wood and foreign accumulations from all accessible corners and cavities, and of painting the walls of these with coal tar, and then filling the smaller cavities with Portland cement. The men engaged in the work have taken from these holes about ioo specimens of the salamander itself, and twelve bunches of its eggs. The form-habit of this oak commonly spoken of as the "live oak," is well known to all who are acquainted with the environs
doi:10.1086/278372 fatcat:7c2uhgg57zh2hcmytxbxckidhe