CHABACTEBS OP FBDTTS. 



853 



Fig. 30. — ROUND. 



A 



Fig. 31. — CONICAL. 



A 



// ^x 



\\ / 



Fig. 32..— OBLONO OR TRUNCATE. 

 A ., 





Fig. 33. — OBLONa CONIC. 



A 



Fig. 34. — OVATE. 



Fig. 35.— OBLATE. 



