///' 



'^ifUU^M^^^t.^^^ 



SMITHSONIAN INSTITUTION. 



UNITED STATES NATIONAL MUSEUM. 



OBSERVATIONS ON THE ASTACID^ IN THE 



UNITED STATES NATIONAL MUSEUM AND 



IN THE MUSEUM OF COMPARATIVE 



ZOOLOGY, WITH DESCRIPTIONS 



OF NEV/ SPECIES. 



WALTER F.AXON, 



Assistant in /Zoology, Museum o/ (Soniparative Xoologyy Catnbridgi\ Massachusetts, 



From the Proceedings of the United Slates National Museum, Vol. XX, pages 643-694 

 (with Plates LXII-LXX). 



[No. 1136.] 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1898. 



