NO. 15 RECENT CRINOIDS IN BRITISH MUSEUM CLARK 19 



80 mm. long; all of the IIBr series are present, two 2 and eight 4 



(3+4). 



4. Zamboanga; " Challenger." — Four specimens, with fourteen, 

 twenty-two, thirty-two and thirty-three arms respectively; in the 

 first there are five well developed cirri, interradial in position ; in the 

 others the cirri are much reduced or rudimentary. 



5. Zamboanga; " Challenger." — One specimen. 



6. Banda; " Challenger." — Two specimens, one with about forty 

 arms ; the centrodorsal is small, and sunk to the level of the radials ; 

 the other is the type of Carpenter's Actinometra elongata. 



7. Banda; " Challenger." — One small specimen with eighteen 

 arms and four cirri. 



8. Admiralty Islands ; " Challenger." — One small specimen. 



9. Admiralty Islands; " Challenger."- — One specimen. 



10. " Challenger " Station No. 186. — Two specimens ; one is 

 small with sixteen arms, the other larger with thirty arms. 



11. Warrior Reef, Torres Strait; "Alert." — One specimen with 

 twenty arms. 



12. Torres Strait ; Professor J. B. Jukes. — One specimen. 



13. Port Molle; "Alert." — One specimen with fifteen arms and 

 cirri IX, 11-12 ; there are five IIBr 4 (3 — (— 4) series ; the interradial 

 plating is just beginning to develop. 



14. Port Molle; "Alert." — One small specimen. 



15. Ceylon. — One specimen with twenty arms. 



16. Ceylon. — One small specimen. 



17. Madras. — Two specimens. 



18. Bassett-Smith Bank; 9 fathoms. — Two specimens. 



19. Macclesfield Bank; 10-13 fathoms. — One specimen with twenty 

 arms and cirri II, 11. This is a slender specimen with the spinosity 

 of the brachials, pinnulars and pinnule tips exaggerated. 



20. Macclesfield Bank; 22-30 fathoms. — One specimen with 

 eighteen arms. 



21. Macclesfield Bank; 22-30 fathoms. — One specimen with 

 twenty-two arms. 



22. Macclesfield Bank; 13-36 fathoms. — Two specimens, each with 

 twenty arms ; one has VII, the other no cirri. 



23. Macclesfield Bank; 20-32 fathoms. — One specimen with six- 

 teen arms; there are no IIIBr series; three cirri are present, all on 

 one semi-circumference of the centrodorsal. 



24. Macclesfield Bank; 22-30 fathoms. — Two small specimens ; 

 one has fourteen arms, the other sixteen arms and two cirri. 



25. Macclesfield Bank; 13-36 fathoms. — One specimen with 



