NO. 3570 PANDARIDAE — CRESSET 13 



alcohol deposited in the British Museum (Natural History) and the 

 remaining paratypes in the author's collection. Other specimens 

 studied: 3 collections from Carcharodon carcharias (USNM 107299, 

 Miami, Fla.) (USNM 101876, off Cape Lookout, N.C.) (USNM 

 104859, St. Augustine, Fla.); a single collection (USNM 32765) from 

 Lamna nasus (Bonneterre) Woods Hole, Mass. 



Female. — Body form as in figure 46. Total length (based on an 

 average of 5 specimens) 7.5 mm. Greatest width (measured at widest 

 part of cephalon) 3.8 mm. Cephalon widest posteriorly narrowed 

 anteriorly, measuring 3.5 by 3.8 mm. First thoracic segment fused 

 to head. Dorsal thoracic plates present on segments 2-4. Plates of 

 segment 2 extending well beyond those of segment 3 to about middle 

 of lateral edge of plate of segment 4. Plates of segments 3 and 4 

 fused at bases. Genital segment nearly square measuring 2.8 mm 

 long and 2.6 mm wide. Dorsal posterior border of genital segment 

 has broad sinus to accommodate dorsal abdominal plate. Abdomen 

 1-segmented with a dorsal plate (see fig. 47) slightly wider than long 

 (7.9 by 7.2 mm). Caudal ramus of usual generic type, bearing 4 

 setae (see fig. 47) and 0.6 mm long. 



Oral area as in figure 48. First antenna 2-segmented. First 

 segment 490^ long bearing 25 spines and setae. Spines and setae 

 armed as in the figure. Second segment 168/n long bearing 11 naked 

 setae. Second antenna (fig. 48) 3-segmented. Terminal segment in 

 form of claw and bearing 2 spines. Mouth tube with associated 

 mandible and fu'st maxilla as in other members of genus. Second 

 maxilla with usual fringed clawlike tip. Short plumose seta (fig. 49) 

 near base of terminal segment. Maxilliped of the usual type (see 

 fig. 48). 



Head appendages, except maxilliped, as in female. Maxilliped 

 with distinct claw at tip as in P. satyrus (see fig. 20). 



Legs 1-4 not modified as in female and with spine and setal formula 

 as follows: 



leg 1 leg g leg S leg i 



exp. end. exp. end. exp. end. exp. end. 



seg. 1 1:0 0:0 1:1 0:1 1:1 0:1 1:1 0:1 



seg. 2 IV:3 3 IV:6 8 IV:5 6 IV:5 5 



Legs 1-4 biramose and each ramus 2-segmented. All setae plumose. 

 Leg 1 (fig. 61) with adhesion pads as indicated in figure. Leg 2 

 (fig. 62) exopod with first segment bearing long hairs along outer 

 edge and outer distal corner. Leg 3 (fig. 63) with no modifications 

 for holding on last endopod segment. Leg 4 as in figure 64. Leg 5 

 (fig. 65) consisting of 3 short plumose setae and one short, stout 

 spine located on midlateral margin of genital segment. Leg 6 (fig. 66) 

 located at junction of genital segment and abdomen, consisting of a 

 spineUke process with stout plumose seta near base. 



