THE SPINE MODE OF CENTROPYXIS ACULEATA, 167 
i a (0S! 
a 
TE: 
om Hey EM Tees | 
a ae ee Lat Bees BEE pe 
1 Bizz) BRS ey 
May av Hing Her Oe 30 Oct, a Sie 30Jan 
a 
Bc 
& 
a 
bea 
AA 
Wal 
Ta 
HI os E : 
: ia Sea | 
ite SEE 
Se Ml BSS a iat HA 
5 ste imlE A UEEEA PES | HA (ns 
HC RS 
7 Roy tebe 
il mee fen 
ua 
Aa 
O GEnI Rad FES es eg PP) 
« 2% Feb. 24Mar 2May dt Aud. 28 Sep. 2 Nov. "30 Nov. 29Dec. 
Fig.1. Spine frequency polygons. Brisbane Botanical Gardens, (see 1) May 1916 
to December 1917. The heavy lines divide the graph into a series of seventeen 
monthly polygons. 
May iio July. Aug. Sua. Oct. Nov. flee i: Feb Mar Api May. June” July” Aug. Sep Oct Nov, Dec 
Fig. 2. Graph of Modes. Brisbane Botanical Gardens, (see 1) May 1916 to 
December 1917. (* No data). 
(c) 27th July, 1916. 
No. of spines 1) 2) 304? 6216 
Frequency OALO SLOG a at 
Total frequency 30 Mode 2-3 
