

BRITISH MUSEUM (NATURAL HISTORY). 



BRITISH ANTARCTIC ('^ TERRA MA") EXPEDITION, 1910. 



NATURAL HISTORY REPORT. 



ZOOLOGY. VOL. Ill, No. I. Pp. 1-74, 



PYCNOGONIDA. 



BY 



W. T. CALM AN, D.Sc 



.„/ ir (!'• J^-f'artment vf 7""'""', ^r!Hsh Mnse-!'"' ''''"^^" 

 WITH i vvjijNTY-TWCj LHUUiiiite iin inji. iujaX, 



r,ONDON : 



) BY ORDE >TEES OF THE BRI' 



,S.iM bj "" 0, ; B. QcABlTCH, 11, Oraltou bltcot, JNow tJona sit 



M, W, ; ths Midland Educationai. Co., Ltd., 

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ASD AT THE 



Bbitisb ifATCBAL HiBTORS), OroiBW©ll Bood, Londo! 



1915. 

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[Isined 2-itk July, 1915,) 



