Scien. Trans. R.D.S., Vol. I. avs. Plate VIII. 
o : ; : - = 
Z) oe 30 4S 60 TS IO 105 T20- -735 V50 165 160 795 20 22S 40 255 270 BSE B00 BIS BO 54'S 3605 
MARS, 1679-60. 
This Chart is compiled from the Drawings by Messrs. DREYER and BURTON, 
given in Plates VI. & VII. 
Maun aer 
MARS 1879-30. 
Supplementary skeleton Chart, showing the nomenclature adopted in the Text. 
