ILLUSTRATIONS, 
Plate Il, fig. 1, from photograph by Cortes ; the other cuts from photographs by Fanning. 
PLATE I. 
Fic. 1. View of Sual Bay, looking northward. 
2. View of Sual Bay, from Portuguese Point. 
PLATE II. 
Fic. 1. Heliastraea sp., from ridge 5 kilometers east of Dasol. 
2. Coral. 
PLATE III. 
Fic. 1. Chert boulders. 
2. Tuffaceous limestone west of Bani. 
PLATE IV. 
Fig. 1. Marshall tunnel; ore showing to left. 
2. Marshall shaft; ore showing on surface. 
MAP. 
Geologic reconnaissance map of northwestern Pangasinan, Luzon. 
TEXT FIGURES. 
Fic. 1. Showing area examined. 
2. Supposed location of the Marshall group. 
3. Sampling plan, Marshall workings. 
4. Plan of workings and occurrence of ore-body, Marshall group. 
5. North-south section of workings, Marshall group. 
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