| PLATE LX 
Fig. 1. Mountain rain forest northwest of Lake Tanganyika, in 1,800 to 2,500 
m. altitude. 
Photograph by Mr. R. Grauer. 
Fig. 2. Bamboo forest in the pass between Mt. Sabinyo and Mt. Mgahinga, 
north of Lake Kivu, in 2,700 m. altitude. 
Photograph by Mr. R. Grauer. 
