Bulletin of the Museum of Comparative Zoology 

 AT HARVARD COLLEGE. 



Vol. LII. No. 11. 



REPORTS ON" THE SCIENTIFIC RESULTS OF THE EXPEDITION TO THE 

 EASTERN TROPICAL PACIFIC, IN CHARGE OF ALEXANDER AGASSIZ, 

 BY THE U. S. FISH COMMISSION STEAMER "ALBATROSS," FROM 

 OCTOBER, 1904, TO MARCH, 1905, LIEUT. COMMANDER L. M. GARRETT, 

 U. S. N., COMMANDING. 



XIX. 



PYCNOGONIDA. 



By Leox J. Cole. 



With Three Plates. 



[Published by Permission o£ George M. Bowers, U. S. Fish Commissioner.] 



CAMBRIDGE, MASS., U.S.A.: 

 PRINTED FOR THE MUSEUM. 



Acgcst, 1909. 



