GYMNOSOMATOUS PTEROPODA 
FROM 
FRIDAY HARBOR, WASHINGTON'*^ 
H. P. KJERSCHOW AGERSSORG, Ph. D. 
BIOI.OGICAL LAEORATORY, WILLIAMS COLLEGE, WILLIAMSTOWN MASS 
(With five figures.) 
Clîone Pallas (1774). 
Distribution : C. limacina Phipps (1773) is according to 
Pelseneer (1887) found in ail the seas around the North Pôle : 
Kara Sea; Nova Zembla; Waigatz Straits; White Sea; 
Spitzbergen; Norwegian coast-Finmarken, Lofoten, to Kar- 
moen (lat. 59^ N.;) Kattegat, Bohuslân; Island of Mull; 
West of Hébrides (lat. 59o N., long. lO® W.;) Jan Mayen 
Island; Iceland; Goasts of Greenland; Baffm Bay; David 
Strait; Hudson Strait; Labrador; Newfoundland; 'Arctic 
Océan; Alaska; Cape Lisburne; Behring Strait and Sea; 
Aleutian Island (Akutan Pass;) North Pacific (lat. 8D 80' N. ; 
long. 1610 26' W.) (p. 46.) 
C. australis Bruguière (1789) on the coast of Madagascar. 
C. longicaudata Souleyet (1952) Atlantic Océan lat, 10° N., 
long. 210 W. and 4o N., long. 25o W. 
C, flaçescens Gegenbaur (1855) Messina, Sicily, Mediter- 
ranean Sea. 
C. elegantissima Dali (1872) Pacific, lat. 5lo 50' N., long, 
1610 26' W. 
C. c^aZZiKrause(1885) Aleutian Island (Akutan Pass.) The 
last two mentioned were included by Pelseneer with C. lima¬ 
cina {vide supra.) 
( 1 ) Front Puget Sound Biological Station, Friday Harbor, Washington, aud Contribu¬ 
tion from the Zoological Laboratory of the Unioersity of Illinois, n° 218. 
ANN. DES SC. NAT. ZOOL., 10® série. VI. 1923. 
