Jeffrey H. Schwartz

"A "new" systematics will be forthcoming only when the urge to be "right" takes a back seat to the possibility that one is wrong."

"If Walter Garstang's suggestion is correct, and chordates did arise from a tunicate-like form by retaining the chordate features of their larval stage of development into adulthood, then the first cho…"

"Jeffrey H. Schwartz, Professor University of Pittsburgh Departments of Anthropology and History and Philosophy of Science"

"There are always alternative interpretations of the same data. It is often the case, however, that the alternatives that are rejected are treated as if they don't exist. But they do. And we should be …"

"There has been little morphological evidence offered since Darwin in support of the relatedness of humans and one or both of the African apes, but that, when the relationships among the extant humanoi…"

"Petrie found that certain types of pottery were characteristic of a particular phase of the Bronze Age, whereas other styles were found only a phase of the Iron Age, or only during the Hellenistic or …"

"The upper and lower ends of a humerus are like the brim and base of an urn. The shaft of the bone is like the belly of the urn. Fragments, even minute ones, of the detailed parts of a bone are like th…"

"More than one hundred years ago, William Bateson suggested that studying the regulation and timing of development was the key to understanding evolutionary change. He was right."