8o4 ^- SKOTTSBERG 



1917 Feb. 20. Survey of the forests in the Mono and Chozas valleys. — 6 hrs. 



» w 21. P. M. South along the coast to entrance to the Varadero canyon, where we camped 



for the night. 



» » 22. Climbed the south canyon wall to 400 m alt., then along a ridge toward Ino- 



centes, but finding it impossible to force the impenetrable fern forest before dark, 

 we turned back after having reached about 950 m alt., made our descent into 

 Varadero and returned to Casas. — 1 1 1/2 hrs. 



» » 23. Short visit to Casas canyon. 



» » 25. Across upper Chozas valley to Piano de la Mona, descending to about 500 m 



along the ridge separating the quebradas of Sanchez and Tolten and returning 

 by the same route to Casas. Solatium masafuerammi discovered. — 10 1/2 hrs. 



» » 27. A. M. To the innermost accessible part of Casas canyon. P. M. Lichenological 



excursion along coast barranca to Quebrada del Mono. 



» March i. To Papal, and ascent of the Barril ridge to Cordon Atravesado. — 10 V2 hrs. 



» » 3. Survey of the woods in the Mono and Chozas valleys continued. — 9 hrs. 



» » 4. Short excursion to outher section of the Vacas canyon. 



» » 5. To the high plain above Chozas and across to the precipice forming the inac- 



cessible west wall of the island; along "Avenida de las Cabras" to above Buque 

 (Barco) Varado. Ranunculus caprari4m discovered. Return to Casas. — • 9 V2 hrs. 



» » 6. Survey of Casas canyon continued. 



» » 7. Same route as on March 5 to edge of west precipice and back; north to Cerro 



Verde. — 11 V2 hrs. 



» » 9. Along the beach south to Playa Ancha; from there ascent of the Inocentes- 



Vacas ridge to summit of island, about 1500 m alt. Discovery of Abrotattella 

 crassipes and of additional Magellanic plants. — 1 1 V2 hrs. 



» » 10. Short visit to Casas canyon. 



» » 12. A. M. South along the coast to Quebrada del Varadero. 



» >> 13. Survey of Casas canyon finished. 



» » 14. A. M. Survey of Papal and the Blindado ridges finished, ascending to about 



725 m. — 5 hrs. P. M. North along coast to the Ovalo, Pasto and Sanchez 

 valleys. — 4 hrs. 



'» » 15. Left by boat for Ensenada Tolten; anchored for the night. 



» » 17. Sailed for Masatierra. 



Masatierra. 



1 91 7 March 18. Arrived in Bahi'a Cumberland. 

 '> » 19. P. M. Excursion to Portezuelo. 

 » » 25. A. M. A rain-gauge and max. and min. thermometers put up at Portezuelo, 



and read every two days; these visits not mentioned below unless combined 



with biological observations. 

 » » 27. To Portezuelo and back. — 5 V2 hrs. 



» » 28. Excursion to Cerro Centinela and Rabanal. 



» » 30. To Valle Anson and Plazoleta del Yunque. — 5 hrs. 



» » 31. Work around Portezuelo continued. — 6 hrs. 



» April 3. Survey of convict caves continued. 

 » » 5. Ascent of the ridge between Quebrada de la Piedra Agujereada and Q. Laura 



to about 650 m alt., thence descending to about 350 m, E. across Laura and 



down the ridge between this valley and Q. Pesca de los Viejos, W. from there 



and back over Centinela. — 11 hrs. 

 » » 7. Work in caves finished. 



» » 8. A. M. To Portezuelo. — 4 hrs. 



» » 9. By boat to Quebrada Juanango, ascent of ridge separating this valley from Va- 



queria and down into this gully, returning by boat to B. Cumberland. 



