ACTIXOrOBOüS TTOLOTTTürJOTDEA. 



183 



Family II. ELPIDIIDAE, 



Subfamily 1. Deimatinas. 



Genus Lsetmogone Thkel 1879. 



Tentacles 15 (20 after Théel, Ludwig), rather large, not re- 

 tractile. The lateral ambulacra of the ventral surface with very 

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

 that surface. The odd ambulacrum 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 or 

 cruciform bodies. 



42. Lœtinoffone neglectdf sp. n. 



(PI. v., fig. 45 ; textfig. 33). 

 Specimens 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 



