82 FISH AXD GAME COMMISSION 



No. 31 Studies of the length frequencies of the California sardine (Sardina 



c-aerulea). By the California State Fisheries Laboratory. 53 pp., 



24 figs. 

 The California halibut (Paralichthys calif ontkus) and an analysis of the 



boat catches. By. G. H. Clark. 52 pp., 25 figs. 

 Fishing methods for the bluefin tuna (Thnnnits thynnus) and an analysis 



of the catches. By S. S. Whitehead. 32 pp., 22 figs. 

 Salmon of the Klamath River, California. By J. O. Snyder. 129 pp., 



44 figs. 

 A distributional list of the species of freshwater fishes known to occur in 



California. By Barton W. Evermann and Howard W. Clark. 67 pp. 

 A bibliography of the sardines. By Genevieve Corwin Wheeler. 133 pp. 

 The California shrimp industry. By Paul Bonnot. 20 pp., 11 figs. 



Fish Bulletin No. 37, now in press, is "The California barracuda 

 (Sphyraena argentea)," by Lionel A. "Walford. 



The five completed reports now awaiting printing deal with the fol- 

 lowing subjects : No. 39 is an analysis of sardine sizes in the commercial 

 catch as determined by type of fishing gear and localities of catch. No. 

 40 is a bibliography of the mackerels, compiled by Genevieve Corwin 

 AVheeler. No. 41 is a presentation of the common names adopted for the 

 sharks, rays and skates with photographs and brief descriptions to 

 serve as a handbook of these fishes. The author is Lionel A. Walford. 

 No. 42 is a technical account of the histological development of sardine 

 eggs, by C. B. Andrews. No. 43 presents the findings as to sardine egg 

 growth and spawning resulting from egg measurements, by Frances N. 

 Clark. 



