404 W. E. RITTER AND M. E. JOHNSON 
TABLE 3 
Length measurements of zooids of various small groups of wheels. 
Unit—Imm. 
Group A Group B- | Group C Group D 
FOUR WHEELS FOUR WHEELS FOUR WHEELS TWO WHEELS 
R | L R. Lat oy ere | Le | R. L 
ee a ee teaee 10.9 | 10.7 | 19.0 | 18.5 | 16.7 | 20.8 | 27.9 | 27.2 
Dee ee Bele. ok Soe ee rs MET LORS ) LS Aa) ESAS PTS SON eho 20 a amet 
Been Sid Hovnieto ceeeeaminas hex tear cual L220 TPT | 1920 | WOT) AO Le 2h 25) 292 1 S0ae) 
aE NM AED atte Ae ek ED Sie 12.1 | 11.4 | 19.0 | 19.6 | 19.7 | 21.9 | 29.8 | 30.7 
See ON 2 io: SA ee a OR (t2%6)|:13.2:|-20.5 | 20:7 | 204.1226" S01. 3008 
6 13:2) 13.5 | 17-9 | 19-9") 21.6 | 21:9 | 29.3 | 2925 
6 14.7 | 13.6 | 19.6 | 19'8 | 21.1 | 22.0 | 28.9 | 30.7 
Sees Ae SAME Alas OY Rae | 15.3 | 14.5 | 21.1 | 19.9 | 22.3 | 23.4 | 30.9 | 31.8 
9. ae ns ees | AB NG ela 20 SG 20829 2256 2A 2 re sOuS: acne 
LOE Re tee eee cme st 16.3 | 15.8 | 22.0 | 22.1 | 22.6 | 24.2 | 40.0 | 31.9 
ERR eRe oe CMe Lge as 8 CNay 14.8 | 15.1 | 22.5 | 22.4 | 22.5 | 23.7 | 30.4 | 33.2 
Ie AO eee Le eae: Acres ee he 16.6 | 15.1 | 22.2 | 23.0 | 21.0 | 24.2 | 30.3 | 31.3 
IG es aaa |. RR a *....{ 17.0 | 17.1 | 22.3 | 21.8 | 19.9 | 28.0 
ean SOS 3 en ee eel hsbc 16.9 | 16.7 | 23.3 | 21.8 |-22.3 | 24.0 
ED ae eee as ao V7 | 17:9) 22939) 28-5.) 2420) 240 
LIC ee ee Reais | a NR ER oe ea 18.5 | 18.5 | 24.6 | 24.2 | 25.5 | 25.0 
GENE eS ee cho eae Pea ee 18.1) 16:9 | 2a 243 | 23.5 | 25.2 
Tee le Aa “RRR toon | 12.7 | 15.9 | 28.0 | 23.1 | 25.0 | 25.7 
(LO Bes. Os) Se Rees, ai: Gok ees | 18.5 | 15.7 | 22.8 | 22.3.) 26.5 | 20.8 
DO aes ets ch Ine lok sae | 19.4 | 18.8 | 24.6 | 24.0 | 27.6 | 24.0 
Diy ye eerie A Pomrehn bi sla 19.4 | 18.9 | 24.9 | 26.1 | 28.4 | 26.6 
DINE ines Naa Pete catchy REA: | 18.9 | 18.6 | 25.8 | 25.4 | 27.8 | 27.3 
pe eared: bedi eter Ug ut A eal bate rie Lb. LOL Ss eames. | 20-84) 28.0 
DAG Sh eaten seat ene ee ee 24.9 | 25.7 | 23.8 | 28.4 
25 | | 24.5 28.0 
EE ea ds BINGE oe | 25.9 | 
ae | 
