40 Transactions of the Society, 



Lagenojphrys lahiata sp. nov., figs. 17 and 18. 



Lorica oval, depressed, the lower or adherent surface plane, the 

 superior or dorsal aspect convex, the posterior margin rounded, the 

 anterior bearing a short, anterior-superior, neck-like prolongation formed 

 of two convex, horizontal and valvular lip-like extensions which open 

 during the protrusion of the ciliary region of the inclosed zooid, and 

 close at the withdrawal of that part, the orifice oval, transversely and 

 superiorly directed ; inclosed animalcule frequently filling the entire 

 cavity of the lorica. Length of sheath 1/540 in. ; width 1/750 in. 

 Habitat, fresh-water ; adherent to the legs and body of Gammarus sp. 



In fig. 17 is shown the outhne in profile of the lorica with separated 

 lips; in figure 18 the same with closed lips. 



