GEOGRAPHICAL DISTRIBUTION. 
A. STATION LIST OF THE THECOSOMATOUS PTEROPODA OF THE 
CHALLENGER EXPEDITION. 
I. Stations where Living Specimens were collected by Trawling 
or Dredging. 
Station YIIf. February 2. 1873 ; off Madeira ; lat. 32° 27' 0" N., long. 16° 40' 30" W.; 
surface temperature, 63° F. 
Cavolinia globulosa. 
On April 14, 1873 ; off Bermuda; lat. 32° 18' N., long. 64° 53' W. 
Cavolinia longirostris. 
Station 53. May 26, 1873 ; Halifax to Bermuda; lat. 36° 30' N., long. 63° 40' W.; 
surface temperature, 73° F. 
Cuvierina columnella. 
Station 63. June 19, 1873 ; Bermuda to Azores; lat. 35° 29' N., long. 50° 53' W.; 
surface temperature, 71° F. 
Station 81. July 13, 1873; Azores to Madeira; lat. 34° 11' N., long. 19° 52' W.; 
surface temperature, 71° F. 
Clio ( Creseis ) acicula. 
Station 100. August 16, 1873 ; St. Vincent to St. Paul’s Rocks; lat. 7° l' N., long. 
15° 55' W.; surface temperature, 79° F. 
Cavolinia uncinata. 
Clio ( Creseis ) acicula. 
Cavolinia trispinosa. 
Clio ( Creseis ) acicula. 
Clio pyramidata. 
Cuvierina columnella. 
Cavolinia trispinosa. 
