144 



EXPEDITION TO 1'OINT BARROW, ALASKA. 



22. THEMISTO LIBELLULA (Mandt) Goes. 



Nome. 



1822 

 1635 



ISMS 



1838 

 1883 



1870 



1874 

 11.7:. 

 J877 



Iffl ' Themitlo likeUula, Micrs 



Citations. 



Gammante libellula, Mandt Observationes in Instoria naturale in itiuere grcBnlaudico factoe, 



I)i88.,p. 32. 



iduhaudii * 



> arctica, Kro'yrr 



!o ni'i-iita, StiiMpsna 



N'* v/r/.'u, < ;,.t-M 



i;ii/-ltuli:, I'.iichholz 



AppplldU to I :i-,J>. Ixxxvi. 



C.riinl. Aniphip. D. Vul'. Si-NU. A rhandl., vii, p. 201, pi. 4, fig. 16. 



dp. rit..,.. 2'.!?., pi. iv, tiff. 17. 



1'roc. I'liila. A cad. of Nat. Sci . p. ill!). 



OclV. al K. Vcti-usk-Akad. Fiirhandl., xxii, p. 533, pi. 44, flg.33. 



'.uphipnda Ixircalia ct arctica, p.8| Skand. og Arkt. 

 Aniphip., p. K8, ))!.], fig. 5. 



IK- Xonlpularf, ii, p. 3M, pi. 15, fig. 1. 



iitken ( N'oniinnl list.) Arctic Mauual, p. 1>. 



Kbtttula, Mi.-rs Ann. and Ma/. Xat. Hist., si-r. 4, xix, ]i. l.'IS. 



lilidlula. Heller Dniksilir. d. K. Akad. d. Wisa.. xxxv, p. 20. 



, . 



Ann. and Mag. Nat. Hist., ser. 5, vii, p. 51. 



A single individual was picked up on the beach near the station September 12, 1883. 

 The species has been found in Greenland, Spitsbergen, Finmark, Kennedy Harbor (Arctic 

 America), and north of Nova Zembla during the voyage of the Tegethoff. 



23. EURYTENES GRYLLUS (Maiidt) Goes. 



This species occurred washed up on the beach near the station in considerable numbers in the 

 early part of September, 1882. 



Two were dredged just outside the grounded ice in 15 fathoms, August 8, 1883. A few largo 

 specimens were also obtained off Point Franklin in 13i fathoms. 



It has been observed in Greenland, Spitsbergen, and Finmark. 



24. ONISIMUS LITORALIS (Kr.) Bceck. 



This was always rather abundant in the shoal water along the beach. The specimens pre- 

 served in the collection floated up in the tide hole with a small dead fish on which they were feed- 

 ing, March 30, 1883. 



This species has been recorded from Greenland, Spitsbergen, Finmark, and the neighborhood 

 of Frans Josef Land. " Rather plenty on the surface of the sea at the edge of the ice, as well as 

 between the pack-ice" (Heller, loc. cit. tr.). The Vega Expedition obtained it on the northeast 

 coast of Siberia, in longitude 177 28' E. 



