Saxitoxin, resistant to blocking effects of 1854 



367, 1477, 1656, 1827, 2180 



Scallop, bay 67, 



346, 



867, 



ground 



549 





industry 



899, 

 295 



973 



operation 





, sea 1799, 



2180 





shells 



1058 





Scallops 7, 53, 



132, 



184, 



, uncontamii 



nated 



170 



Scarce 632 





Scars on shell 



2079 





Saenedesmus 835 







, dried 



133, 



1123 



Schif f-positive material 



853 



Schistosome, bird 



320 





Sohizothaerus 



1971 





School teachers 



1067 





Schwellform 1824 







Sclerotization 



1911, 



2132 



266, 650, 978, 1033, 1503, 1594, 1705, 2093, 2111, 2180 



Scoring 163 



Scorpions 1976 



Scrapes 155, 548 



Screen, plastic 301 



Screened trays or boxes 302 



Screening 168, 238, 278, 299, 366 



, protected by 6 80 



Sapobioularia 880 



Sculpture, faint radial lamellar 425 



, stronger concentric lamellar 425 



, surface 425 



Sea 465 



_, artificial 789 



, dumping at 4 5 



Grant 379 



Plantations, Inc. 384 



star, damage to stomach of 212, 213 



stars (see also starfish) 41, 49, 212, 213, 337, 347, 364, 454, 621, 815, 

 1053, 1149, 1192, 1522, 1804 



_ water, aerated 1372 

 , clean 135, 221 



_ , composition of 372 



_ , different from 402 



, diluted 1449 



_ , examination of 30 



, heated running 1227 



, modification of 160 



, natural 239 



796 



