280 
Of this splendid medusa several pretty specimens have been 
caught in deep water hauls in the Davis Strait. The specimens 
from Stat. 436 were taken with the trawl, fishing near the bottom 
but not touching, at 644 meters depth. The specimens from Stat. 
348, 434 and some from 333 were dead. Moreover a fairly large 
specimen has been taken out of the stomach of a shark, Centro - 
scyllium Fabricii Reinhardt, captured at Stat. 429, 8-YI-1909, 
63° 54' 
N. Lat., 53° 15 
' W. Long., 980— 
-1390 m. 
Atolla Bairdi is 
an Atlantic deep 
sea medusa, distributed 
throughout the North Atlantic and taken by the “Yaldivia” 
(Yan- 
hoffen 
1902 a) in the 
region of the Guinea current, 0° 25' 
N. Lat. 
— 3° 55' N. Lat. and 0 
° 31' E. Long. — 
7° 48' E. Long. 
It has 
mostly been captured ; 
at considerable depths; very rarely 
it has 
been found in the upper lavers of the water. 
Station s: 
N. Lat. 
W. Long. 
m. Y/ire 
322 
60° 07' 
48° 26' 
2000 
r 
333 
63° 18' 
54° 55' 
1530 
+ 
336 
64° 06' 
55° 18' 
1200 
rr 
*338 
64° 01' 
55° 30' 
1400—1500 
*344 
64° 22' 
55° 48' 
1200 
rr 
*345 
64° 22’ 
55° 51' 
1000 
rr 
348 
64° 35’ 
56° 18' 
900 
r 
*434 
62° 53' 
54° 15' 
1500 — 1200 
r 
436 
63° 16' 
52° 21' 
(near bottom) 
rr 
Aurelia flavidula Péron & Lesueur. 
Figs. 3—4. 
Medusa aurita Fabricius 1780 p. 863. 
Aurellia flavidula Péron og Lesueur 1809 p. 359. 
Aurelia flavidula Lesson 1843 p. 376. 
— — Levinsen 1892 p. 148. 
? — limbata Yanhoffen 1906 p. 61. 
non — — Brandt 1835 p. 372 Taf. X. 
The Greenlandic form of Aurelia differs in certain respects 
from the typical American Aurelia flavidula. 
The oral arms are nearly as long as the radius of the disc; 
