104 TRANSACTIONS OF THE [Nov. 27, 
Fig. 2. 
aft! 
Fig. 2 is a combination showing forms (e¢) — P @ (101), (@) 
—P (111), (n) + P (111) and (1) 2 P® (201) in addition to 
thosein Fig. 1. This crystal is aie largest terminated one in the 
lot examined, and the ‘angles were measured with a contact 
goniometer. 
FES Pedi 
Fig. 3 shows a much more general combination. The forms 
occurring are (c) OP (001); (m) — 4 P © (102); (e) — P» 
GOD ata) ee CL00) Seid) pe, “1D; CO aye (id); 
Gy 22 C10)5 Cn) 2B (110); (0) 2 P ©(Q01); (7) P @ 
(101). This combination is similar to the one on the large al- 
lanite crystal from Moriah, N. Y., described by E. S. Dana,* 
lacking only the clino-dome P « (010). 
* B.S. Dana. Allanite, Min. Notes. Amer. Jour. Sci. iii. XX VII. 479. 
