00872nam a2200229Ia 45000010005000000030005000050050017000100080041000270100020000680410008000880430012000960500022001080820016001301000031001462450175001772600058003523000036004104900044004464900085004905040030005756500037006059888BIBL20160527175305.0690227s1968 fluf b 00010 eng  a 68030264 //r890 aspa anw-----0 aQH91.A1bS8 no. 70 a593/.9522010aChesher, Richard H.2Local14aThe systematics of sympatric species in West Indian spatangoidsba revision of the genera Brissopsis, Plethotaenia, Paleopneustes, and Saviniastercby Richard H. Chesher.0 aCoral Gables, Fla.bUniversity of Miami Pressc[1968] avii, 168 p.b35 plates.c24 cm. 0aStudies in tropical oceanographyvno. 70 aContribution no. 946 from the Institute of Marine Sciences, University of Miami. aBibliography: p. 163-168. 0aSea urchinszWest Indies.2Local