1909.] N. Annandale : A Barnacle from Malaysia. 269 



stout bristles at the outer angle and a bunch of fine hairs at the 

 inner angle, which is rounded; the intermediate bristles of various 

 sizes, fairly stout. Second nuixilla not distinctly bilobed. 



Length of capitulum . . . . 7 mm. 



Breadth of ,, . . . . 4 ,, 



Thickness of ,, .. .. i*5 ,, 



Mai^E. — A single male was found in the usual position at the 

 edge of the scutum. It was attached in a little depression on the 

 edge of the mantle and may be described as follows : — Capitulum not 

 very clearly separated from the peduncle, which is broad above and 



Fig. 4.— Complemental male of S. kampeni in pit at edge of mantle of herma- 

 phrodite, X 30. 



tapers at the base. Six relatively large, closely adjacent, feebly 

 calcified valves present — a carina and rostrum, a pair of terga and 

 one of scuta. Tergum sHghtly smaller than the scutum, somewhat 

 irregular in shape, pointed above. Scutum triangular, with its tergal 

 margin somewhat sinuous and its basal and occludent margins 

 convex. Carina triangular, with the base convex downwards ; the 

 apex considerably below that of the tergum, and the base situated 

 nearer the base of the capitulum than that of the same valve. The 

 rostrum shaped as in the hermaphrodite but relatively much 

 larger. 



Total length of male . . . . 0-92 mm. 



Breadth of capitulum of male .. 0*44 ,, 



