LOXOSOMA CLAVIFORME. 575 



Fig. 42. 



Loxosoma phascolosomatum. 



HABITAT. On the caudal extremity of certain Annelids 

 (Sipunculidea) . 



LOCALITY. Bantry Bay, forming a tuft on the pos- 

 terior extremity of Phascolosoma Harveii, Forbes (A. 

 M. N.). 



GEOGRAPHICAL DISTRIBUTION. Roscoff, abundant, on 

 Phascolosoma elongatum and P. margaritaceum (C. Vogt ; 

 Barrois) . 



LOXOSOMA CLAVIFORME. 

 Plate LXXXI. figs. 9-12. 



Body ovate ; tentacles (probably) 10 or 12 ; peduncle some- 

 what longer than the body, tapering off gradually down- 

 wards, and terminating below in a short, foot-like ex- 

 pansion, the whole figure very regularly clavate when 

 the tentacles are withdrawn ; ? pedal gland ; only a 

 single bud observed, placed about halfway down the 

 body. 



THE foregoing is a very imperfect diagnosis, as the spe- 

 cimens examined had been long preserved in spirit, and 



