MAMMALS OF THE MEXICAN BOUNDARY. 



139 



plants during the same periods. This station was in tlie lower edge 

 of the zone occupied by the evergreen white oak [Qiicfciis eiu/el- 

 iiiatin>), which crosses the boundary at Portrero. The Californian 

 live oak {Quercuti ayrifoUo.) and the sycamore {Platanus raconosa) 

 were also abundant, as was the sumach {Rhus diversiloha Torrev and 



Cxi-ay). 



Station No. 101. — Pine Valley, San Diego County, California, 27 

 kilometers (17 miles) north of Monument No. 240. Altitude 1,280 

 kilometers (4,200 feet). The writer and Mr. Schoenefeldt collected 

 from August 7 to 14, 1894. Trips were made from this camp to the 

 Lagima Mountains of the Coast Range. The camp was located in a 

 fine forest of the Sabine pine (Piinis sahiniana Douglas), near a 

 stream bordered by the black willow {Salix nifjra Marshall) and 

 groves of live oak {Quercus agrifolia Nee). On the neighboring 

 hills were thickets of wild rose {Rosa eal'ifornica) and manzanita 

 ( Arctostaphylos) , together with the toyon or Christmas berry {Het- 

 eromeles arhutifolia) . The red-shank chamiso {Adenostoma sjxtrsl- 

 foJhnn ) Avas in full flower. 



Station No. 102.— San Clemente Island, of the Santa Barbara 

 group, California, 129 kilometers (80 miles) northwest of Monument 

 No. 258, and about 97 kilometers (60 miles) from the nearest main- 

 land of California. The island is 27 kilometers long and 0.5 wide 

 (17 by 4 miles), and 457 meters (1,500 feet) in altitude. Through 

 the courtesy of the Secretary of the Treasury, the writer, accompa- 

 nied by Prof. T. S. Brandegee, Mr. A. W. Anthony, and Hospital 

 Steward Ludwig Schoenefeldt, with a detachment of soldiers, w^ere 

 transported to Smugglers Cove, at the south end of the island, in 

 the U. S. revenue cutter Wolroff, commanded by Ca^^tain Roath, to 

 whom, as well as to the other oiRcers of the ship, we were indebted 

 for every possible assistance and polite attention. The party made 

 general collections on San Clemente Island from August 22 to 

 29, 1894. 



Flora of San Clemeiite Island.^-The following list gives the botan- 

 ical and wood sjjecimens of trees that were obtained while on this 

 island : " 



Li/nnothamnus fiorihiindns asploii- 



foliiis {(Jreene) Brandegee. 

 rnnni'^ inU'urifoUd ( Sudwortli ) S;ir- 

 geiit. 



RJiiis intcfjri folia (Nuttiill) Renth.-ini. 

 Rlininniifi crocca Xnttall. 

 IfetrroDicJcs arhutifolia (Poiret) 

 Roenier. 



Cacti covered the greater part of the south end of the island, mak- 

 ing travel difficult. The species noted were Cereus emoryi Engel- 

 mann, Opuntia lindheimeri littoraJiH (Engelmann) Coulter, and 

 Opuntia prolifera Engelmann. The island fox {Uroeyon littoralis) 



o See Zoe, I, No. 5, July, 1890, for a list of the Flora of San Clemente and 

 other islands of the Santa Barbara gi'oup, by Prof. T. S. Brandegee. 



