00277nam a2200109Ia 450000500170000000800410001708200120005810000220007024500260009226000410011830000080015920260225051008.0260224s9999||||xx |||||||||||||| ||und||  a592 BAR  aRobert D. Barnes  0aInvertebrate zoology   aLondon: W.B. Saunders Company c1974  a870