48 



46 



44 



42 



40 



38 



36 



34 



232 



£30 



028 



Z 



^26 



£24 



r-4 



i=22 



LLI 



x 20 



CO 



£ 18 

 <16 



14 

 12 

 10 

 8 

 6 

 4 

 2 



Y=1.07893 + 1.40403(X) 





68 





64 





60 



s 



u 



56 



X 



1? 



»— 









7 



48 









44 



o 



LJJ 



40 



N 





h- 



36 



LU 





X 



3? 











LU 



VH 



z 





< 



24 





20 





16 





12 



Y=2.82210 + 1.05315(X) 



8 12 16 20 24 28 32 36 40 44 48 52 56 60 

 NATURAL LENGTH ,CM 



Figure 5.— The relationship of natural length to anesthetized length: (A) blood- 

 worms, (B) sandworms. 



_J 1 1 L- 



2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 

 NATURAL LENGTH, CM 



Table 8. —Verification of the relationship of the mean length and weight (+1, ±1.96 SE) of a 25-worm sample to the mean 



length and weight of the total. 







Bloodworms 







Sandworms 









length (cm) (N = 461) 







length ( 



cm)(A'=779) 











Mean ± 1 .96 SE 









Mean ± 1 .96 SE 



N 



X(cm) ± 1 SE 



± 1.96 SE 



(95% confidence) 



yV 



,V(cm) ± 1 SE 



± 1.96 SE 



(95% confidence) 



21 



20.42 ± 1.05 



2.05 



18.38-22.47 



17 



22.18 ±0.57 



1.12 



21.05-23.30 



23 



20.89 ± 0.76 



1.48 



19.41-22.38 



17 



22.91 ±0.49 



0.96 



21.94-23.87 



20 



19.44 ±0.73 



1.43 



18.01-20.86 



22 



22.88 ± 0.82 



1.61 



21.27-24.49 



20 



19.93 ± 0.75 



1.47 



18.46-21.39 



20 



23.14 ± 1.10 



2.15 



20.99-25.28 



19 



20.78 ± 0.97 



1.91 



18.88-22.69 



22 



22.79 ± 0.71 



1.39 



21.40-24.18 



19 



19.78 ± 0.76 



1.50 



18.28-21.28 



22 



25.13 ±0.62 



1.21 



23.92-26.34 



15 



18.35 ± 0.90 



1.77 



16.58-20.13 



18 



23.27 ± 0.87 



1.71 



21.56-24.99 



24 



19.22 ±0.76 



1.50 



17.72-20.71 



18 



23.21 ±0.65 



1.27 



21.94-24.48 



22 



20.39 ± 0.69 



1.36 



19.03-21.75 



18 



22.84 ± 0.62 



1.21 



21.63-24.05 



22 



20.55 ± 0.81 



1.59 



18.96-22.13 



21 



21.98 ±0.60 



1.18 



20.80-23.16 



461 



19.94 







779 



22.49 











*eighl(g)(/V = 58l) 







weight (g)(N= 1.041) 





25 



2.33 ± 0.28 



0.54 



1.78-2.87 



25 



3.58 ± 0.17 



0.33 



3.25-3.91 



25 



2.19 ±0.19 



0.37 



1.81-2.56 



25 



3.90 ± 0.24 



0.48 



3.43-4.38 



25 



1.91 ± 0.22 



0.42 



1.48-2.33 



25 



3.98 ± 0.30 



0.60 



3.38^4.58 



25 



1.96 ±0.19 



0.38 



1.58-2.34 



25 



4.15 ± 0.49 



0.96 



3.19-5.10 



25 



2.31 ± 0.27 



0.54 



1.77-2.85 



25 



4.09 ± 0.35 



0.69 



3.40-4.78 



25 



1.95 ± 0.17 



0.33 



1.63-2.28 



25 



4.55 ± 0.28 



0.55 



4.00-5.10 



25 



1.79 +0.20 



0.39 



1.40-2.18 



25 



3.94 ± 0.30 



0.59 



3.35-4.53 



25 



1.77 ±0.17 



0.33 



1.40-2.10 



25 



4.56 ± 0.32 



0.62 



3.93-5.18 



25 



2.07 ±0.21 



0.41 



1.67-2.47 



25 



3.66 ± 0.22 



0.42 



3.24^1.08 



25 



2.29 ±0.22 



0.43 



1.86-2.71 



25 



3.76 ± 0.25 



0.48 



3.28-4.25 



5S1 



2.07 







1.041 



3.43 







16 



