The Voyage nt K M S 'Challenger." 



Asteroidea PI XXXIII. 



F H Michael to 





1-2. ASTRO PECTEN BREV1SPINUS, n sp. 

 5-6. ASTROPECTEN HERMATOPHILUS,n.sp. 



3 - 4. ASTROPECTEN P E CTI N AT U S, n ;p 



7- 8. ASTRO PECTEN M N AC A N T H U S , n sp. 



