570 



THE A MER I( 'A N \A T URA L 1ST [\^ol. XL 



and wrinkles particularly on the head and fore part of the body. 

 Thus many of them run parallel to each other from the corner of 

 the mouth between the upper lip and the eye. Others pass below 

 the eye, to radiate out from in front of it. Between the eye anil 

 the ear are many transverse folds which run toward the base of the 

 flipper. The nuchal retriou is likewise traversed by wrinkles, 



are present in the reijion of the eye and will dc-^cribcd in con- 

 nection with the latter. A dee]) surface furrow i> [)n"sent at the 

 junction of the flipper with the body, while dorsal to this, a broad 

 band of flue wrinkles varyin.u' in width passes to the eye. A few 

 deep furrows traverse the neck ventrally an<l pass caudally into 

 numerous lonoitudinal fol.l>. Thv navel, ^renital openinn-, and 



deeper and more numerous. Behind the anus are a few trans\ erse 

 furrows on the side and the.se Kiikenthal found in the embryos 

 as well. 



All over the body in little pits stand the hairs, some of which 

 are livinu', others .lead. They are short and slender yet stifl" 

 bristles, and may readily escape notice on account of their distance 



