Contains: The abalone industry in California, by C.L. Edwards -- Towing of salmon and steelhead fry from Sacramento to the sea in "live car", by N.B. Scofield -- The problem of the spiny lobster, by B.M. Allen -- Investigation of the clams of California, by Dr. Harold Heath -- Investigation of the life history of the edible crab (Cancer magister), by F.W. Weymouth -- A general report on a quinnat salmon investigation carried on during the spring and summer of 1911, by N.B. Scofield -- Trout and black bass planting and transplanting in the San Joaquin and southern Sierra districts, by A.D. Ferguson.