14 



Oscar Sund. 



[Nr. 6 



shrimps of the Atlantic, for instance, Acanthephyra, living in depths 

 below 500 metres, owing to the greater intensity of light in the lipper 

 water-layers compared with that in more northern seas. 1 ) 



Fig. 8. Pasiphæa tarda, Krøyer, from the Skagerrack. C = 32 Telson, scapho- 

 cerite, mandible, Ist and 2nd maxillae and Ist maxilliped. The numhers denote 

 the enlargement of the original camera drawings. The hlock is rednced in the 

 ratio 6r /ns- On the edge of the Ist max.p. is seen a duster of protozoic para- 

 sites, which are very comnionly met with in Pasiphæa. 



Pasiphæa tarda Krøyer, 1845. 



Pasiphæa tarda Krøyer, 1846. (In "Gaimards Voyage"). 



— — M. Sårs, 1868. 



— — H. I. Hansen 1908 (se. multidentata). 



— — Wollebæk, 1908 (se. multidentata). 



— princeps Kemp, 1910. 



— — Stephensen, 1912. 



tarda Stephensen (se. multidentata). 



Ibidem, p. 624. 



