Zoe Author:Unknown Author Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: other islands, especially those nearer the coast northward, except Cedros Island, which furnishes but one, while Coronados Islands have two, and the Santa Barbar... more »a group two to seven each, of which nearly all are absent from the main land. Guadelupe, 100 miles off shore, and volcanic, has been stocked by chance importations from the latter group (No. 21), the peninsula (i, 23, 20?), and the last three are the only species said to be common to the peninsula and the main land of Mexico. The relation of these facts to the distribution of the species, may be perhaps explained by the small shells most easily adhering to birds roosting on the ground. MARIPOSA COUNTY AS A BOTANICAL DISTRICT. BY J. W. CONGDON. In mentioning in the former article the shrubs forming the bulk of the chaparral of the wooded foothills, the Christmas Berry (Hetero- meles arbutifolia) was accidentally omitted. Its abundant and beautiful bunches of red berries are very noticeable, in the winter, on nearly all our hillsides. In discussing the herbaceous vegetation of this zone, it has seemed to me, that instead of giving a mere enumeration of peculiar or interesting plants, there would be some real scientific value in a somewhat detailed comparison of its flora witli the flora of the corresponding portion of the Coast region. I include under the latter designation the territory between the Coast line and the western edge of the San Joaquin plain, with the Bay of Monterey for its southern and Mendocino County for its northern boundary. Perhaps the most interesting and significant result of such a comparison is the great number of common species found in these tracts separated from each other by the wide expanse of the San Joaquin plain, hereof an average width of at least forty-five miles. This interv...« less