596 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



Page 



pollution — Continued 



by drainage areas — Continued 



Atchafalaya River 



Brazos River 



Calcasieu River 



Choctawhatchee River 



Coast of Mexico 



Colorado River 



Guadalupe River 



Lower Florida 



570 



571 



570 



566 



573 



572 



572 



564 



Lower Mississippi 569 



Lower Rio Grande 573 



Mobile Bay 567 



Neches River 570 



Nueces River 572 



Ochlockonee River 566 



Pascagoula River 568 



Peace River 564 



Pearl River 569 



Perdido-Esbambia 567 



Sabine River 570 



Suwannee River 565 



Tampa Bay 564 



Trinity River 571 



Withlacoochee River 565 



control activities 



Alabama 557 



Florida 557 



Louisiana 557 



Mississippi 557 



Texas 557 



damage caused by 561 



dilution of 558 



effect in oysters 484 



nature of 555 



oil 570,573,574 



paper mill 566, 567 



prevention of 559 



sewage - 



555 



sources of 555, 558, 559, 560, 561 



Polycladida 301 



polyclads 



Apalachicola Bay 301 



littoral 301 



Polydora 486 



Polynices 485 



Polysiphonia 187, 188 



Polysiphonia macrocarpa 180 



pompano^ 



609 



Ponce de Leon 11, 13 



Pontchartrain Lake, turbidity 140 



Poole, H. H 139 



Popple, Henry 



map- 



19 



porcelain crab 211 



Porifera 259 



Porites furcata 29 1 



Porospora gigantea 248 



porpoises 548 



Page 



Port Isabel 207,211 



tide at 104 



Portuguese explorations 



15th century 4 



Portuguese Field 8 



Portuguese Man-of-War 277 



potassium, in sea water 153 



potash, production of 153 



Pourtales, L. F. de 25,26,77,293,361 



Powers, P. B. A 244 



Pratt, H. S 346 



Pratt, W. E 72 



Pre-Cambrian 68 



predators, control of 487 



pressure 



barometric 114 



effect on tide 114 



force 122 



Provost, Antoine F 19 



Price, Benjamin 25 



Price, W. A 39, 42, 47, 53, 54, 55, 58, 74, 143, 210, 491 



prickly-pear 195 



production, organic 



by bacteria 217 



productivity 



concept of 203 



diatoms 229 



profile, bottom 59 



hyperbolic 59, 61 



theoretical 60 



Progreso, tide at 104 



Promicrops itaiara 508 



Proterozoic 68 



Protozoa 243 



Actinomyxidia 250 



Amoebina, list of species 246 



Ciliata, list of species 252 



Classes 



Ciliata 251 



Mastigophora 245 



Sarcodina 246 



Sporozoa 247 



Suctoria 255 



Cryptomonadina 245 



distribution 244 



Haplosporidia, list of species 250 



Helicosporidia 251 



Heliozoa 247 



literature 243 



Microsporidia 250 



Mycetozoa 246 



Myxosporidia 250 



parasitic 244 



Porosporidae 247 



Protomonadina 245 



Radiolaria 247 



Prytherch, H. F 244, 247, 249 



Pseudodiaptomus 440 



Psolidae, key to Gulf genera 401 



Psolus, key to Gulf species 401 



