THIRTY-FOURTH BIENNIAL REPORT 53 



in the series called "Fish Bulletins," and less extensive articles are 

 printed in the quarterly magazine, ' ' California Fish and Game. ' ' Popu- 

 lar accounts of the results are frequently published in trade journals or 

 in the Department of Natural Resources monthly magazine, "California 

 Conservationist," and occasionally in eastern or foreign biological jour- 

 nals. Results of special interest to a portion of the fish trades are some- 

 times mimeographed for distribution, but more frequently special 

 reports are intended primarily for the administrative officers of the 

 Division and are submitted in typewritten form. 



During the biennium, the following six Fish Bulletins were issued : 



No. 41. Early lifo-history of the Califoi-nia sardine {Sardina caerulea), 

 with special reference to distribution of eggs and larvae. By 

 Eugene C. Scofield. 



No. 42. Maturity of the California sai-dine {Sardina caerulea), deter- 

 mined by ova diameter measurements. By Frances N. Clark. 



No. 43. The sizes of California sardines cauglit by the different fishing 

 gear and in the different localities of the Monterey and San 

 Pedro regions. By the California State Fisheries Laboratory. 



No. 44. Tiie comniercial fisli catch of California for the years 10.30^1984. 

 inclusive. By the Staff of the Bureau of Commercial Fisli- 

 eries. 



No. 4.'5. The sharks and rays of California. I'.y Lionel A. AValford. 



No. 46. A contriluition toAvard the life histories of two California slirinips, 



Vrago franciscorum (Stimpson) and Crago nigricauda (Sfiiiii'- 



son). V,y Hugh B. Israel. 



Fourteen articles dealing with fisheries problems w-ere prepared 

 by staff members for the magazine, "California Fish and Game," as 

 listed below : 



Forecast for the 1935-1936 sardine season. 



Claek, Frances N. 



A summary of tlie life-history of the California sardine and its influence on 

 the fishery. 



Clark, G. H. 



The California trawl lishery and its conservation. 

 San Francisco trawl fishery. 



Croker, Richard S. 



Sardine canning in California. 



Smoked, salted and dried sea-foods of California. 



What is the world's greatest fishing port? 



Fry, Donald H., Jr. 



A description of the eggs and larvae of the Pacific mackerel {Pncumato- 



phorus diego) . 

 A preliminary summary of the life history of the Pacific mackerel {Pneumato- 



phorus diego ) . 

 Mackerel: Can the fishery continue V 



Phillips, J. B. 



The crab fishery of California. 



Experiment to determine the feasibility of the use of trammel nets in Monterey 

 Bay. 



Scofield, W. L. 



The harvesting of giant kelp in California. 



TiHBY, Richard B. 



 The ^-obstruction of the purse seine as used in tlie San Pedro Sardine lishery, 

 1935-1936 season. 



