594 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



Page 

 Ostracoda — Continued 



ecology 430 



list of species 431 



number of Gulf species 430 



continental slope 430 



deep zone 430 



zones of distribution 430 



Ostracods 25 



ostrea eguestris 488 



Ostrea frons 488 



Ostrea permolHs 488 



Ostrea virginica (see Crassostrea) 488 



Otolithidae 204 



otoliths, fish in bottom deposits 82 



Oviedo, Lope 13 



oxygen 



in sea water 145 



vertical distribution 145 



Oxyrrhis marina 224 



oyster 



American 479 



antiquity of 48 1 



bottom 479 



community 479,480,481 



ecology . 479, 480, 487, 488 



reefs 479,480, 481, 482 



reproduction . 482 



requirements of 479 



shell, utilization of 482 



shells, deposit of 481, 482 



spat 480, 482 



spawning 482, 483 



trade names 481 



bottoms 203, 206, 484 



community 206, 207 



organisms associated with 482 



cultivation 482, 487 



destruction b\' Stylochus 301 



drill 207 



effect of temperature 484 



equipment for harvesting 487 



grounds, surveyed by Fish Hawk 26 



growth 483 



harvesting 484 



host of Nematopsis 248, 249 



infection by Dermacystidium 250 



larvae 482 



leech 31,301,302,486 



Louisiana 482, 483 



mortality 484,485 



parasites of 485 



pearl 203 



predators 485 



production, Mexico 573 



productivity 487, 488 



reef 49,53,207 



competition for space_ 487 



formation of 207 



structure of 207 



Page 

 oyster — Continued 

 reefs 



Atchafalaya Bay 491 



changes induced by man 483, 484 



development of 491 



effect of storms 484 



Mississippi River 483, 484 



Mississippi Sound 482 



offshore 491 



relation to current 49 1 



Texas 491 



sexual maturity 483 



shells 



in magnesium extraction 156, 168 



species of 488 



trematodes of 347 



yield of meat per bushel 488 



oyster-catcher 626 



Pachygrapsus transversus 210 



Padina 180, 183, 186, 188 



Padina sanctae-crucis 183 



Padina vickersiae 180, 210 



Padre Island 76 



Paleozoic 68 



Pallenopsis 425 



Palmer, R. H 55 



Pahnetto 198 



Panama Isthmus 268 



PAnuco 4, 12 



Panuco River (Rio Grande de Pdnuco) 12, 13, 14 



Panulirus argus 463 



Panulirus guttatus- 463 



Panulirus laevicauda 463 



Paracaudina obesacauda 382 



paralytic shellfish poisoning 225 



Paranlicomia longicaudata 319 



parasitic helminths 333 



Parias, synonym of Lariab 7 



Paris peace conference 19 



Parker, F. L 205,235 



Parker, G. G 57 



Parker, G. H 264 



Parr, A. E 28, 



30, 76, 123, 125, 131, 135, 144, 165, 166, 185, 507 



Patterson, C. P 25 



Pearse, AS 31, 207, 218, 252, 253, 254, 255, 301, 439 



Pearson, J. C 28 



peat 54 



Peirce, B 25 



Pierson, J. F 205 



pelagic algae 185 



Pelican 47 1 



Penaeus aztecus 204, 205, 212, 457 



Penaeus duoarum 457 



Penaeus setiferus 204,205,212,457 



peneplain 72 



Penfound, W. T ... 196 



Penicillus 186 



association with sponges 264 



