1450 THE VOYAGE OF H.M.S. CHALLENGER. 



Locality. — February 21, 1874, Antarctic Ocean; lat. 63° 30' S., long. 88° 57' E. ; 

 surface ; surface temperature, 32°-5. Two specimens. 



Remarks. — The specific name refers to the place of capture. The narrow and 

 apically outdrawn third uropods are a very distinctive feature of this species. 



The following table shows the distribution of the genus Primno as illustrated by the 

 Challenger specimens : — 



1. Station 354, May 6, 1876; North Atlantic; lat. 32° 41' N., long. 36° 6' W. ; 

 tow-net. One specimen, female, a third of an inch long, mounted in Canada balsam 

 (probably Primno macropa). 



2. Station 319, February 12, 1876; South Atlantic; lat. 41° 54' S., long. 54° 48' W. ; 

 surface. One specimen, a little over a tenth of an inch long. 



3. Station 318, February 11, 1876 ; South Atlantic ; lat. 42° 32' S., long. 56° 29' W. ; 

 2040 fathoms, tow-net at trawl. One specimen, young male, less than a fifth of an 

 inch long, mounted in Canada balsam along with other species, including a small 

 Podocerus falcatus, Montagu. A second specimen, differently mounted, two-fifths of 

 an inch long. 



4. January, 1874, Kerguelen Island. One specimen mounted in Canada balsam, 

 a third of an inch long, marked " Phronima sp." 



5. Station 154, February 19, 1874; Antarctic Ocean; lat. 64° 37' S., long. 85°49'E. 

 Three specimens, mounted in Canada balsam, the largest one-tenth of an inch long 

 (probably Primno antarctica). 



6. February 20, 1874, Antarctic Ocean; lat. 63° 49' S., long. 87° 24' E. Two 

 specimens, mounted in Canada balsam, the larger three-twentieths, the smaller one-tenth, 

 of an inch long (probably Primno antarctica). 



7. February 21, 1874, Antarctic Ocean; lat. 63° 30' S., long. 88° 57' E. ; surface. 

 Two specimens (Primno antarctica). 



8. March 9-10, 1874, south of Australia; lat. 48° 18' S., long. 130° 4' E. ; surface ; 

 One specimen (Primno menevillei). 



9. Station 159, March 10, 1874; south of Australia ; lat. 47° 25' S., long. 130° 22' E. 

 One specimen, mounted in Canada balsam (probably Primno menevillei). 



10. Station 164d, June 14, 1874 ; east of Australia ; lat. 34° 3' S., long. 152° 20' E.; 

 surface. Three specimens (Primno latreillei). 



11. Station 165, June 17, 1874; between Sydney and Wellington ; lat. 34° 50' S., 

 long. 155° 28' E. Three specimens (Primno latreillei). 



12. Station 287, October 19, 1875 ; South Pacific; lat. 36° 32' S., long. 132° 52' W.; 

 surface. One specimen (Primno macro}oa). 



The range of the Challenger specimens is therefore from lat. 32° 41' N. to lat. 



