NO. 3570 PANDARIDAE — CRESSEY 63 



longer than wide. Abdomen 1-segmented. Caudal rami (fig. 317) 

 with 4 terminal setae and 2 sub terminal. Each ramus joined dis tally 

 to abdomen. 



Oral area with adhesion pads as m female. First antenna as in 

 female. Second antenna (fig. 318) with terminal hook more recurved 

 than in female. An adhesion area present on antepenultimate seg- 

 ment. Remaining oral appendages as in female. Maxilliped with 

 tip of terminal claw produced as in figure 319. Legs 1-4 (figs. 320-323) 

 bii-amose with spine and setal formula as follows: 



Leg 5 (fig. 324) located near outer distal corner of genital segment 



I and consisting of 2 short, naked setae. Leg 6 absent. 



' Discussion. — This species, like N. orientalis, seems to be cosmo- 

 politan in distribution and occurs in the mouth and gill arches of a 



[ variety of inshore species of sharks. 



I The copepod was originally described by Heller in 1865 and has 

 since been redescribed as A^. occidtus, N. costatiis, and A^. gracilis by 

 C. B. Wilson (1924; 1924b; 1935). I have examined Wilson's types 

 of A'', gracilis and determined this to be the same as N. cryptarus. 

 Nesipjpus occultus from the pubhshed description also appears to be 

 synonymous. Nesippus costatus was described from an immature 

 female and was collected together with the material described as 

 A^. occultus by Wilson. It appears to be merely a young female of 

 the type described as N. occultus. 



This copepod is characterized by a lack of dorsal plates, the nature 

 of the fourth leg of the female, and the deep median sinus on the pos- 

 terior portion of the female genital segment. The form of the male 

 maxiiUped should separate this sex from other species of the genus. 



Nesippus tigris, new species 



Figures 325-345 



Specimens studied. — Twelve females and 4 males from Galeocerdo 

 cuvier from Sarasota, Fla. Holotype female, allotype male, 3 para- 

 types (299, Icf) deposited in alcohol in the U.S. National Museum. 

 Four paratypes (females) deposited in the British Museum (Natural 

 History). Remaining paratypes in the author's collection. Addi- 

 tional specimens studied from Galeocerdo cuvier from Nosy Be, 

 Madagascar (699). 



Female. — Body form as in figure 325. Total length 8.2 mm 

 (based on an average of 2 specimens). Greatest width 4.3 mm 

 (measured at widest part of cephalon). Cephalon rounded, slightly 



