BRITISH MUSEUM (NATURAL HISTORY). 
BRITISH ANTARCTIC (“TERRA NOVA”) EXPEDITION, 1910. 
NATURAL HISTORY REPORT. 
ZOOLOGY. VOL. Ill, No. 1. Pp. 1-74. 
PYCNOGONIDA. 
BY 
W. T. CALM AN, D.Sc. 
(Assistant in the Department of Zoology, British Museum (Natural History )). 
WITH TWENTY-TWO FIGURES IN THE TEXT. 
LONDON: 
PRINTED BY ORDER OF THE TRUSTEES OF THE BRITISH MUSEUM 
Sold by Longmans, Gbeen & Co., 39, Paternoster Bow, London, E.C.; B. Qcaeitch, 11, Grafton Street, New Bond Street, 
London, W. ; Dulau & Co., Ltd., 37, Soho Square, London, W.; the Midland Educational Co., Ltd., 
41 and 43, Corporation Street, Birmingham; 
AND AT THE 
Bkitish Museum (Natueal Histoey), Cromwell Road, London, S.W. 
1915. 
[All rights reserved .] 
Price Five Shillings. 
[Issued 24 th July, 1915 .] 
