74 



CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 



[Bull. 



Phoxocephalus holbolli (Kroyer). 

 1842. Phoxus holbolli Kroyer, Naturh. Tidsskr., vol. 4, p. 



IS*- 



1888. Phoxocephalus holbolli, Stebbing. Rep. Voy. Chal- 

 lenger, vol. 29, p. 1717. 



1891. Phoxocephalus holbolli, G. O. Sars. Crust. Norway, 

 vol. i, p. 144, pi. 49, 



FIG. 12. Phoxocephalus holbolli. 



Body smooth, Head produced forward to form an acute, 

 triangular hood over antennae; eyes poorly developed, incon- 

 spicuous. 



First antennae with first joint of peduncle thick and longer 

 than second and third together, and with a triangular process 

 distally ; principal flagellum 6- jointed; accessory flagellum 3- 

 jointed. Second antennae with penultimate joint of peduncle 

 enlarged distally and considerably longer than last joint and 

 armed with many long setae and several spines; flagellum 6- 



