\ — ^ 



TtG. 10.— SPATHCXJLOTTTJi FLIC AT A (8U>Z 

 view), VfJlEU A>"THEtl HAS KOTATJiD 



downwards; a, c, e, r, g, AS liT 



FIG. y ; H, n03T£LLtlI. 



