AMPHIPoDA <>F SOl'THKRN NEW ENGLAND. 



477 



propodua joined to posterior angle of the quadrate carpus; fifth perseopods large, the basal joint much 

 enlarged, wider than long, merus short, produced posteriorly into a large lobe which is over twice as 

 wide as long; carpus much dilated; propodus much larger than in the preceding pairs. The three 

 posterior segments of the abdomen small. First nropods with a very stout peduncle, which is benl 

 upward, the upper margin armed with several stout spines and concave except near the base, where 

 there is a prominence surmounted by an unusually stout spine, the first of the series, in front of 

 which ( proxiinally ) are several iong seta-; rami narrow, unequal; terminal uropods with rami about 

 twice length of peduncle, inner ramus the larger and two-jointed; telson broad, divided into two 

 Lobes, which are setose on outer and distal margins. 



Length, is nun. 



Georgia to Cape Cod (Smith); off Marthas Vineyard; Holland (Slabber ; Nbrwaj (Boeck); France; 

 British Isles. 



I have examined specimens from North Devon, England, and have satisfied myself of their specific 

 identity with our American forms 



Phoxocephalus holbblli i Kroyer). 

 Phoxus kroyeri Stimpson, Marine Invert. Grand Manan. p. 53, L853. 



Head with the rostral broad triangular, about equaling peduncle of first antenna-; eyes small and 

 imperfectly developed; first antenna- shorter than second and not as long as head, first joint of 

 peduncle thick, about as long as next 

 two and having a triangular process 

 at distal end; flagellum six-jointed 

 and nearly as long as peduncle: sec- 

 ondary flagellum three-jointed and 

 a little over half length of primary 

 one; second antenna- with penulti- 

 mate joint expanded, furnished with 

 several spines on surface and distal 

 end and several long seta- on lower 

 margin; flagellum six-jointed and 

 shorter thanjpeduncle; first fourcox- 

 al platesdeeper than wideand much 

 deeper than their segments, lower 

 margins setose; first gnathopods 

 nearly as large as second; basal joint 

 curved forward; hands of both pairs 

 of gnathopods oblong, slightly wid- 

 ened distally, the palm oblique, even- 

 ly convex, and terminated distally 

 with a triangular tooth, at the side 



of which is inserted a strong spine; first and second perseopods with merus much wider than carpus 

 and nearly twice as long; propodus narrow, of about same width throughout; dactyl about one-fourth 

 length of propodus; third perseopods with basal joint very broad and about two-thirds as long as rest 

 of appendage; last perseopods with basal joint very large, serrated posteriorly and fully as long as all 

 the other joints; postero-lateral angles of third abdominal segment narrowly rounded; terminal uro- 

 pods with rami subequal in the male, narrowly lanceolate and furnished with plumose seta ; in the 

 female inner ramus devoid of seta- and much shorter than tin- outer; telson cleft nearly to base into 

 two narrow lobes. 



Length, "> mm. 



Arctic regions; Norway: British Isles; France; Iceland; Greenland; Labrador; Grand Manan 

 i Stimpson); Vineyard Sound in deep water (Smith). 



Paraphoxus spinosus Holmes, new species. 



Male: Rostrum projecting beyond the first basal joint of Erst antennae; eyes very large; second 

 antenna- with slender flagellum over half length of body; first fourcoxal plates Increasing successively 

 in length and furnished below with several simple seta-; first pair expanded distally first and second 



B. B. F.1904— 31 



Pliozocephalus hblbolli, female. Grand Manan. 



