The problem with writing about group shows is that one feels compelled to fabricate some catchall generalization with which to categorize the works beingshown. Yet the very diversity of the artists represented in “Made in Philadelphia 2” forestalls any tidy ordering of information. About all one can say is that the works happen to be made in Philadelphia—beyond that it is a matter of individual sensibilities which reveals less about Philadelphia as a particular art-making location than about the heterogeneity of the overall art scene.

And yet perhaps the word to use here is homogeneity. For the