PROC. U.S. NAT. MUS . VOL. 115 



GARRICK — PLATE 3 



Rhincodon lypus, embryo: jL-inial denticles from in front of, and a little below, first dorsal 

 fin. The two pairs of enlarged denticles, overlapping lengthwise (left center and upper 

 right), are on the lower dermal ridge. 



