134 



THE VOYAGE OF H.M.S. CHALLENGER. 



lattreillii being found in company with it is probably the male — a supposition which is 

 to some extent borne out by anatomical details. It is interesting to note that Nogagus 

 latreillii occurs also abundantly in the Challenger gatherings along with Pandarus 

 cranchii. Dana's specimens were " from the body of a shark taken south of Tongatabu," 

 Heller's from Scyllium africanum at the Cape of Good Hope. 



2. Pandarus satyrus, Dana. 



Pandarus satyrus, Dana, Crust. U. S. Expl. Expert (1852), p. 1367, pi. xcv. fig. 2. 



One specimen, apparently referable to this species, was found in company with the 

 preceding off the Kermadec Islands. It comes very near to Heller's Pandarus lugubris. 



3. Pandarus zygcence, n. sp. (PL LV. fig. 3). 



Length, 27-100ths of an inch (7 mm.). Anterior body-segment shorter than its 

 width, irregularly quadrate in form, flattened in front, constricted behind the antennae 

 and dilated into two alseform processes behind; posterior margin armed in the middle 

 with a series of six stout spines ; second segment forming two large lateral wings ; caudal 

 laminse rather wide, oblique at apex, and armed with three sharp, stout spines — two internal 

 lateral and one apical — reaching slightly beyond the rounded terminal lobe of the 

 abdomen. The anterior part of the body is marked with a deep brown blotch, covering 

 the greater part of the segment except for two small transparent points near the centre ; 

 the side wings of the second segment are also deeply blotched, as also are the next segment 

 and the terminal abdominal lobe. 



Found in considerable numbers upon a specimen of Zygcena malleus taken at 

 St. Vincent, Cape Verde Islands. 



Perissopus, Steenstr. and Ltk. 

 Perissopus, St. and Ltk., loc. tit., 1861; 1 Lepidopus, Dana. 

 Female. — Cephalothorax undivided ; abdominal segments free, and bearing four or 

 six dorsal leaflets ; genital segment rather large and broad, covering the very short tail ; 

 abdominal feet destitute of plumed setae, branches of the first and second pair two- 

 jointed ; for the rest, inarticulate and quite rudimentary. Male unknown. 



Perissopus dentatus (Steenstr. and Ltk.). 



Perissopus dentatus, St. and Ltk., Bidrag til Kundskab om det aabne Havs Snyltekrebs og Lernjeer, 

 p. 53, Tab. xii. fig. 25. 



The name of the locality in which this species was taken has been lost. 



