005120000a2200145000450024501210000065000180012165000240013965000250016365000150018865000230020365300140022604100140024010000260025477300860028010aComparative study of the subfamilies of the Acrididae (Orthoptera) primarily on the basis of their phallic structure14aEntomología14aMorfología animal14aSistemática animal14aAnatomía14aNuevas subfamilias fAcrididae0 aEspañol1 aRadclyffe Roberts, H.1 tProceedings of the Academy of Natural Sciences of Philadelphiaq201-216d1941g93