730 



U. S. BUREAU OF FISHERIES 



pilchards, which are second in volume but thirteenth in value, while 

 oysters are fifth in volume, but second in value. So it will be noted 

 with several of the other products. In the group of moderate impor- 

 tance, 26 products make up 15 per cent of the value, and in the group 

 of least importance, 100 products make up 5 per cent of the value. 



144 PRODUCTS — $ ril,043,000 -lOOX 



Figure 4.— Average annual value of fishery products taken in the TTnited 



States and Alaska 



YIELD OF NONFOOD FISHERY PRODUCTS 



The yield of the nonfood group of fishery products in the United 

 States and Alaska annually amounts to about 428,000,000 pounds, 

 valued at $5,341,000. The most important products in this group, 

 according to volume and value, are — menhaden and fresh-water 

 mussel shells. Menhaden is manufactured into scrap and meal which 

 is later used for fertilizer and feedstufi's, and into oil used chiefly in 

 the manufacture of soap and paint. Fresh-water mussel shells are 



