28 10 P.M. No.5 Sei whale ♀ Apr. 13/10 Oshima Color Body Top of head, left side, dark slate - the upper edges of the snout for a short distance from the end on either side are grayish - underneath this changes to pinkish white extends backward for 1/35 cent, from tip of snout Left ramus of mandible has upper 2/3 light slate & lower 1/3 Isabellan green. Right ramus is light gray for its whole distance - in front of the dorsal fin to head the back and upper sides are dark slate - behind dorsal the upper 1/3 of the peduncle is dark slate like back - the sides of peduncle from fins backward are blotching many dark & light over small areas - the light areas seem to be composed of fine wavy lines or "grainy" I also a great many small white scars. On breast between fins are 2 white folds - furrows are pinkish - there are 9 dark folds under right fin. Rosters The pink area (central) becomes narrower as it goes backward until when it reaches peduncle it is very narrow - Same as in the other whales I have described. Pedals Above slate except anterior edge which