390 



BULLETIN OF THE BUREAU OF FISHERIES. 



Diagram 21. — Fish 153, S. fontinalis , length 19 cm.; type tubular. 



Diagram 22. — Fish 156, S. fontinalis, length 18 cm.; type tubular. 



Diagram 23. — Fish 172, 5. fontinalis. length 17 cm.; type solid. 



Diagram 24. — Fish 174. 5. fontinalis. lencth ao cm.; type papillar. 



