406 Th. Mortensen. 



Loxosomella п. g. The foot-gland present only in the buds, atro- 

 phying in the grown animals after having secreted a fluid, 

 by which the animal is fixed for life. Only straight muscles 

 developed in the foot. 



Genotype: L. crassicauda (Salensky). Other species: L. phascoloso- 

 matiim (Vogt), L. antedonis Mrtsn. Possibly also: L. Kefer- 

 steinii (Claparède). 



Incertæ sedis : L. cochlear Schmidt, L. claviforme Hincks, L. Nitschei 

 Vigelius. 



29-9—1911. 



