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Show 178 HORNED FROG- S- SANP OF THfl LAKE SHORE. yfct seen. * Leaving the baggage on the camp- ground/ 1 followed up the / shore in search of water, and happily, in little more than a mile, found fen abundant supply and very good, in some smajl ttonds, formed by the snoir and spring rafos, which are, however, .' dry in the summer/ - This was a fortunate- circumstance, as, other- ' ' wise, we should have been obliged to cross the lake during the night to the springs on the western side of the main promontory*; a, s our supply wafr by. this time reduced to half jft barrel. Several horned frog? were found to- day running upon the shores. The pand which forms the beach in this vicinity is worthy of Ye-matrk. Under* a magnifier it is found to consist of rounded gib-bulcte, v chiefly of. calcareous rock, worn- doubtless by attrition into th$ ir present form, not an angular particle being found among tjiem. It is variegated'by different and brilliant Colours, and reminded . me of the sand I had once seen which was brought from the Great '. Desert of Zahara. Its conformation makes it very fatiguing to walk in> presenting) no firm resistance to the foot, but yielding at every step. A piece of bitumen was found buried in the sand, which had> adhered to it when softened by the sun, and completely frosted it Qver, so that it very much resembled one of the small chocolate; lozenges of the shops, oovered with miniature sugar- , plums. * . • - • ' ' Tuesday, May 7.- After moving, camp some few- miles above, - started for an island in the lake, apparently fifteen or twenty railed to. the southward, to place a triangulation station upon it: The wind had been southerly during the night, and had raised such a sea that I found it impossible to force tho. boat through the water* whose ponderous waves struck upon our bows with a power that Was irresistible. After rowing some eight miles, we gave it up and returned to camp. , • One of the party, in attempting to cut across the country to- day, got lost, and as he did not . return by dark, signal- fires were . lighted ' upon one or two of the neighbouring eminences to guide him to camp, • He returned by bedtime, very much, exhausted by his wanderings, having been without, food or water Since sunrise. Wednesday, Mpy 8.- The day being- calm and the water smooth, renewed the attempt made, yesterday to reaeh the island to the southward, taking with us blankets, provisions, and water, prepared to encamp ripon it, if necessary* We reached th& island after a rpw of four hours* _ The water waft bold and deep nearly the whole |