Barnacles of the Genus Scalpellmn, 



107 



Mandible (fig. 2, C) with four teeth (including inner angle), 

 the interval between the two distal nearly twice that between 

 the two proximal teeth. Maxillula (fig. 2, D) with inner edge 



Fig. 2. 



Scalpellum ecaudatum, holotype. 



A. Capitulum, from the side. B. Base of carina and carinal Iatera. 

 C. Mandible. D. Maxillula. 



concave or notched below a distal group of strong spines. 

 First cirrus with rami unequal, of 9 and 11 segments, exopod 



