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1. The absence of glomeruli in the kidney of the midshipman fish (Porichthys notatus) is reported. 2. The detection of renin in the glomerular kidney of the carp, the catfish, and the hog, and the apparent absence of this substance in the aglomerular kidney of the midshipman fish suggest that the tubular portion of the mammalian kidney does not produce or store renin.

STUDIES CONCERNING THE SITE OF RENIN FORMATION IN THE KIDNEY