Bulletin of the Museum of Comparative Zodlogy 
AT HARVARD COLLEGE. 
Vou. (bX. 'No, 6: 
RESULTS OF THE YALE PERUVIAN EXPEDITION OF 1911. 
THE ARACHNIDA. 
By Rare V. CHAMBERLIN. 
Witns TWENTY-FIVE PLATEs. 
CAMBRIDGE, MASS., U. S. A.: 
PRINTED FOR THE MUSEUM. 
’ Marca, 1916. 
