EXPLANATION OF Piates VIII—XI. 
VIII. View looking up Casoya Valley. 
IX. Another view looking up Casoya Valley. The hill left centre 
of picture is opposite Casayo, and is same as point to left 
in VIII, and whose shoulder we look over to in XI. 
X. View in Casayo, showing school-house where we lodged. 
XI. View from school-house over roofs below us, to opposite 
shoulder, across which our path went to locality for 
L. argus, var. casaiacus, Erebia palarica and Heterogynis 
paradoxa. 
