P- .rl" industry: (contiiiuecO 



i''i :jii ary of Gal i lo rni a 

 Uuitud C'iatos 



Oyatcr flshory, preGervlng 

 Pearls at Columbian Exposition 



Frcsh-vjator, of United States 

 Pearly frech-watcr muBsels of the 

 United States 



Japan 

 Pearse, A. S, 

 Pearson', J, C, 



Pock, Jeaios I» 



Pelagic animals, migration of 



Orc-anisms, collecting of 

 Penaeiddo, American early life 



histories 

 Penobscot Bay salnon fisheries 

 Pereo, H. V.^ieeler 



Perch, pike and yellovj, propagation 

 Peripheral nervous systen of the 



bony fishes Doc, 415. 



Peritoneal msmbranes, ovaries, 



in Salmonoiils 

 Peru, fisheries 

 Guano industry 



Philippine expedition, dredging 



records. Albatross 

 l£;land3, fishes Doc. 501, 606, 607, 640, 647. 



Isopods 

 Photogi-aphy of aquatic animals 

 Live fishes, experiments in 

 Sub aquatic 

 Physical investigations. New England 



coast 

 Physiology: 

 Fishes 



Color changes in flounders 



Nervous system 



Ssnce of hearing 



Sense of Bitoll 



Sense of taste 



Sonse of vision 

 Blood pressures in salmon 

 Blood and serous liquids in salmon Doc, 

 Chinook salmon 



Digcistive track of elasmobranchs 

 . Dogfish, sense organs 

 liffects on fishes of changes in 



density of water 

 Floundors, sonse, of vision 

 Gambusia af finis 

 Gas in swira-bladdar of fishes 

 Latoral-llna organs in fishes 

 Salnon, Chinook 



181 



