238 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 18 



Paraphoxus calcaratus (Gurjanova), new combination 



(Plate 26) 



Par'harpinia calcarata Gurjanova 1938: 271-272, 385, figs. 9, 9a, 9b. 

 Pararpinia (sic) calcarata, Gurjanova 1951: 388-392, figs. 237 A,V,B. 



Diagnosis of female. — Head short and broad, rostrum broad anter- 

 iorly, bluntly rounded in front, eyes medium in size, oval. 



Epistome not produced. 



Maxillipedal palp article 4 with well developed articulated apical 

 spine. 



Gnathopod 1 : article 6 longer than 5, rather slender, palm oblique. 

 Ratio of lengths of articles 5 and 6: Gnathopod 1 = 4:5, Gnathopod 

 2 = 6:11. 



Peraeopod 3 slender, articles 4-6 successively slightly narrower and 

 longer. Ratio of widths of articles 2, 4, 5, 6 = 18:10:9:5. 



Peraeopod 4 slender, articles 4-6 increasingly narrower, article 6 

 as long as 5. Ratio of widths of articles, 2, 4, 5, 6 = 28 :9 :6 :3. 



Peraeopod 5 : article 2 rather narrowly expanded, the ratio of width 

 to length is 4:5; article 2 extends down to the middle of article 4, its 

 sweep point is at distal end article 3, lower edge rounded; posterior 

 edge with about 6 shallow teeth; rest of appendage slender, article 6 

 longer than 5, article 7 rather long. 



Uropod 1 : margin of peduncle with about 6 slender spines, rami 

 shorter than peduncle, each with a few short marginal spines, apices each 

 with a small blunt spine. 



Uropod 2: margin of peduncle with numerous long setae, rami as 

 long as peduncle, apices unarmed, outer ramus with a few short marginal 

 spines. 



Uropod 3 : inner ramus about seven eighths as long as outer ramus, 

 article 2 of the latter is about one eighth the length of article 1. 



Telson rather slender, apices broadly rounded, each lateral notch with 

 a long and a short spine. 



PLATE 26 



Paraphoxus calcaratus (Gurjanova), female, 9 mm, Sta. 1156-40. 



Figs. A,B, head; C,D, antennae 1, 2; E, mandible; F, maxilla 1; G,H, 

 gnathopods 1, 2; I, maxillipedal palp article 4; J,K,L,M, peraeopods 

 2, 3, 4, 5; N.O.P, uropods 1, 2, 3 ; Q, telson; U, pleon segment 3. 



Male, 6 mm, Sta. 201-34. Figs. R. head; S, antenna 2; T, telson; X, uropod 3, 



Female, 7.5 mm, Sta. 2414-53. Figs. V,W, gnathopods 2, 1. 



Juvenile, Sta. 2414-S3. Fig. Y, uropod 3. 



