gonad function 



effects of 16°C treatment on 1146 



effects of 21°-22°C and photoperiod treat- 

 ment on 1144 



gonadal recrudescence 1149 



gonadal regression 1148 



inhibition of testicular regression by low tem- 

 perature 1148 



Lopholatilus chamaeleonticeps — see Tilefish 



Lotella andrussovi — see Moridae 



Lotella callarias — see Moridae 



Lotella smimovi — see Moridae 



Louisiana 



Barataria Bay 1284 



Lutjanidae — see Snappers 



Mackerel — see Jack mackerel ; Pacific mackerel 



Mackerels 



of Georgia coast 347 



Magdalena Bay, Baja California 62 



Maine 



Gulf of Maine 307 



Sheepscot estuary 299 



MAJOR, RICHARD L., and GERALD J. 

 PAULIK, "Effect of encroachment of Wanapum 

 Dam Reservoir on fish passage over Rock Island 

 Dam, Columbia River" 125 



Makaira nigricans — see Blue marlin 



MANAR, THOMAS A.— see LASKER and MANAR 



Manzanillo, Mexico 62 



Marine ecosystems 



exploitation effects 393 



"Marine fisheries of New York State," by 



J. L. McHugh 579 



Marine fisheries 



New York 579 



Marine mammals — see Fur seals 



Marlin — see Blue marlin; White marlin 



MATHER, FRANK J., Ill, ALBERT C. 

 JONES, and GRANT L. BEARDSLEY, JR., 

 "Migration and distribution of white marlin and 

 blue marlin in the Atlantic Ocean" 283 



MATSUMOTO, WALTER M., ELBERT H. 

 AHLSTROM, S. JONES, WITOLD L. 

 KLAWE, WILLIAM J. RICHARDS, and 

 SHOJI UEYANAGI, "On the clarification of 

 larval tuna identification particularly in the 

 genus Thunnus" 1 



McCarthy, JAMES J., and DANIEL KAMY- 

 KOWSKI, "Urea and other nitrogenous nutri- 

 ents in La Jolla Bay during February, March, 

 and April 1970" 1261 



, and TERRY E. WHITLEDGE, "Ni- 

 trogen excretion by anchovy (Engraulis mordax 

 and E. ringens) and jack mackerel (Trachurus 

 symmetricus) 395 



McHUGH, J. L., "Marine fisheries of New York 



State" 579 



McNEIL, WILLIAM J.— see KEPSHIRE and 

 McNEIL 



Melanogrammus aeglefinus — see Haddock 



Melichthys niger — see Triggerfish 



Melosira italica — see Phytoplankton 



Menhaden — see Atlantic menhaden 



Mercenaria mercenaria — see Hard clam 



Mercury 



synergistic effects on adult fiddler crab 415 



Merluccius bilinearis — see Silver hake 



Merriamina ectenes — see Moridae 



"Mesh retention of larvae of Sardinops caerulea 

 and Engraulis mordax by plankton nets," by 

 William H. Lenarz 839 



Metallic elements in estuaries — see Estuarine 

 ecosystems 



Meteor — see Vessels 



"Method of determining carotenoid contents of 

 Alaska pink shrimp and representative values 

 for several shrimp products," by Carolyn E. 

 Kelley and Anthony W. Harmon Ill 



1317 



