Latin. Knowledge! I’m plug doc — got chick nor child — nobody — old drunk. But you — leadin’ physician. Make five thousand dollars year.

“Murray woman’s got endocarditis. Not thing I can do for her. Wants somebody hold her hand. Road’s damn’ disgrace. Culvert’s out, beyond the grove. ‘Sgrace.

“Endocarditis and —

“Training, that’s what you got t’ get. Fundamentals. Know chemistry. Biology. I nev’ did. Mrs. Reverend Jones thinks she’s got gastric ulcer. Wants to go city for operation. Ulcer, hell! She and the Reverend both eat too much.

“Why they don’t repair that culvert — And don’t be a booze-hoister like me, either. And get your basic science. I’ll splain.”

The boy, normal village youngster though he was, given to stoning cats and to playing pom-pom-pullaway, gained something of the intoxication of treasure-hunting as the Doc struggled to convey his vision of the pride of learning, the universality of biology, the triumphant exactness of chemistry. A fat old man and dirty and unvirtuous was the Doc; his grammar was doubtful, his vocabulary alarming, and his references to his rival, good Dr. Needham, were scandalous; yet he invoked in Martin a vision of making chemicals explode with much noise and stink and of seeing animalcules that no boy in Elk Mills had ever beheld.

The Doc’s voice was thickening; he was sunk in his chair, blurry of eye and lax of mouth. Martin begged him to go to bed, but the Doc insisted:

“Don’t need nap. No. Now you lissen. You don’t appreciate but — Old man now. Giving you all I’ve learned. Show you collection. Only museum in whole county. Scientif’ pioneer.”

A hundred times had Martin obediently looked at the specimens in the brown, crackly-varnished bookcase: the beetles and chunks of mica; the embryo of a two-headed calf, the gallstones removed from a respectable lady whom the Doc enthusiastically named to all visitors. The Doc stood before the case, waving an enormous but shaky forefinger.

“Looka that butterfly.