SCUTELLIDIUM. 175 



Genus 33. SCUTELLIDIUM, Glaus (1866). 



(Porcellidium, Boeck, 1864. Aspidiscus, Norman, 1868.) 



Body depressed, subovate. Anterior antennae 9- 

 jointed, with very short median joints ; posterior 

 3 -jointed, the inner branch short, 1 -jointed (?). Man- 

 dible-palp (PL LXVIII, fig. 4) large and complex, 

 bearing numerous stout setiferous filaments ; maxillary 

 palp (fig. 5) provided with two very long and stout 

 ciliated setae. Both pairs of foot-jaws forming 

 clawed hands. First pair of feet prehensile, very 

 like those of Idya. Fifth pair foliaceous, the outer 

 branch much elongated. One ovisac. 



1. SCUTELLIDIUM TISBOIDES, Glaus. PL LXVIII, figs. 



110 



Scutellidium tisboides, Glaus. Die Copepoden-fauna von Nizza, p. 

 21, taf. iv, figs. 815 (1866). 



Cephalothorax broad, rounded in front ; second, 

 third, and fourth segments very short; abdomen 

 much narrowed. Anterior antennas 9- jointed, the 

 first three joints large (fig. 2), fourth and eighth very 

 short, fifth, sixth, and seventh shorter still, terminal 

 joint longer and slender; the fourth, fifth, and sixth 

 joints are each successively narrower than the preced- 

 ing, the last three being slender and of nearly equal 

 width. Foot-jaws short and stout ; last joint of the 

 first pair (fig. 6) slender and bearing two curved apical 



