that the Rhynchops generally fishes by night, atwhich time many of the lower animals come most abundantly to thesurface. I broughtaway specimens of one of the tufaceous layers of a pinkish colourand it is a most extraordinary fact that Professor Ehrenberg findsit almost wholly composed of matter which has been organised; hedetects in it some siliceous- shielded, fresh-water infusoria, andno less than twenty-five different kinds of the siliceous tissue ofplants, chiefly of grasses. In the evening we reached the island of San Pedro, where we foundthe "Beagle" at anchor. In doubling the point, two of the officerslanded to take a round of angles with the theodolite. Nevertheless, a poor lame old man, who had been in the habit,during trifling shocks, of crawling to a certain doorway, was thistime crushed to pieces. This operation is tobe repeated for three successive years. A fence of thistle-stalks round the hovel was nearlybroken down, and my informer, putting his head out to see what wasthe matter, received a severe cut, and now wore a bandage. The hunting wild cattle, in acountry so difficult to pass as this is on account of the swampyground, must be very hard work. Galapageia. The climate iscertainly wretched: the summer solstice was now past, yet every daysnow fell on the hills, and in the valleys there was rain,accompanied by sleet. Gold- washing. Mauritius, beautiful appearance of--Great crateriform ring of mountains-- Hindoos--St. Casuchas. Carlos. This sign of the approaching winter hurried our steps,more
than was convenient for geologising. In these shaded paths it is absolutelynecessary that the whole road should be made of logs of wood, whichare squared and placed by the side of each other. The difference in height, namely, about9000 feet, between the snow-line on the Cordillera behind Chiloe(with its highest points ranging from only 5600 to 7500 feet) andin central Chile (a distance of only 9 degrees of latitude), istruly wonderful. Camarhynchus. change of, in Chile. 4 degrees; the meanhottest day being 65. I will now give a sketch of the natural history of these islands,which, from its very paucity, possesses a peculiar interest.
- Spring '20
- gauchos, Monte Sarmiento