ACTIXOrOPOITS IIOLOTHrrjOIDF.A. 



ISc 



Family II. ELPIDIIDAE. 

 Subfamily I. Deimatlnae. 



(ionus Lsetmogone Thkel IRT'.l. 



Tentacles 15 (20 after Thkel, Ludavig), ratlier large, not re- 

 tractile. The lateral ambnlaera of the ventral snrface with very 

 largo pedicels disposed in a single row, all along each side of 

 that snrface. The odd ambulacrnra naked. The dorsal surface 

 with extremely elongated, flexible, non-retractile processes, disposed 

 in a single row all along each of its ambulacra. Integument 

 with numerous wheels, and besides these deposits spicula 'n- 

 cruciform bodies. 



42. Tjitnioiiour iiPf/lerfd, sj). n 

 (PI. Y., fig. 45 ; toKtfig. r.3). 

 Six>cimens examined : — 



Description :— The prominent external characteristics of this 

 species are its comparatively small size, the unusually large 

 number of lateral pedicels, and the comparatively small number 



