XIX. DESCRIPTION OF A BARNACLE 



OF THE GENUS SCALPELLUM 



FROM MALAYSIA. 



By N. Annandale, D.Sc, SuperijUcndent, Iiidiati Museum. 



The Malaysian Pedunculate Cirripedes in the collection of the 

 Indian Museum were described in the Memoirs of the Asiatic Society 

 of Bengal, vol. i, in 1906; but since that date an interesting 

 new species from the Archipelago has been acquired. It is here 

 described. 



Scalpelhim {Smilium) kampeni^ sp. nov. 



Capitulum with fifteen valves, sub triangular, compressed, lined 

 with blackish membrane, which gives the shell a greyish colour 

 extern all}^ ; the valves smooth, covered with a delicate hairless 



Fig. I. — Scalpelluni kampciii, x 5, side view. 



membrane. Tergum relatively ver)^ large, subrhomboidal, with the 

 carinal angle subangulate and the scutal margin nearly straight ; the 

 occludent margin straight, vertical, about | as long as the scutal; 

 the umbo at the apex of the capitulum, whence a faint ridge runs 

 diagonally down the valve to its base dividing it into two equal 

 areas. Scutum large, triangular, with the occludent and tergal 

 margins subequal, nearly straight and forming an acute angle which 

 is faintly retroverted at the tip; the basal margin convex down- 

 wards, much shorter than either of the other two. Rostrum well 

 developed, triangular, broader than long, not very prominent, with 

 the basal margin convex and the two upper margins concave. 

 Carina nearly straight, reaching almost to the top of the capitulum ; 

 the dorsum rounded, the lateral faces somewhat flattened on the 



