Table IV.

The mean testis size, mean ovary size, mean number of uterine eggs per worm and the mean egg size, in 30 infrapopulations of Gyliauchen volubilis.

	Mature worms (mating groups)
Infrapopulation (No. individuals)	No.	Testis		Ovary		Mean testis size to mean ovary size	Mean No. uterine eggs/worm ± SD	Mean egg size (µm3) ± SD
		Mean diameter (µm) ± SD	Size (_10−3 mm3)	Mean diameter (µm) ± SD	Size (_10−3 mm3)
I (12)	5	429 ± 26	41.356	168 ± 11	2.483	16.65	101 ± 9.1	49,649 ± 1,901
II (12)	6	416 ± 21	37.709	157 ± 14	2.027	18.60	98 ± 7.5	49,052 ± 1,767
III (18)	9	405 ± 19	34.796	161 ± 17	2.186	15.91	103 ± 9.2	55,777 ± 2,770
IV (26)	11	412 ± 23	36.632	159 ± 13	2.105	17.40	94 ± 7.39	51,593 ± 2,347
V (34)	17	386 ± 27	30.125	147 ± 16	1.663	18.11	96 ± 8.9	51,503 ± 2,166
VI (42)	22	401 ± 22	33.775	156 ± 17	1.998	16.90	100 ± 10.8	52,269 ± 2,744
VII (48)	26	396 ± 31	32.528	152 ± 19	1.839	17.68	80 ± 11.3	51,146 ± 2,002
VIII (54)	29	365 ± 25	25.471	135 ± 15	1.288	19.77	95 ± 9.3	56,312 ± 2,289
IX (64)	35	410 ± 36	36.101	154 ± 22	1.913	18.87	89 ± 11.3	63,678 ± 3,380
X (68)	33	423 ± 28	39.645	160 ± 18	2.145	18.48	84 ± 9.7	60,395 ± 2,990
XI (80)	39	380 ± 24	28.742	139 ± 14	1.406	17.91	74 ± 12.4	66,456 ± 2,903
XII (88)	43	425 ± 31	40.210	148 ± 16	1.698	23.68	90 ± 8.6	63,375 ± 3,178
XIII (91)	45	450 ± 34	47.732	137 ± 21	1.346	35.46	84 ± 10.3	72,589 ± 3,651
XIV (97)	55	442 ± 37	45.231	147 ± 26	1.663	27.19	88 ± 9.5	58,323 ± 3,686
XV (98)	46	449 ± 26	47.414	132 ± 21	1.204	39.38	76 ± 12.2	64,301 ± 3,244
XVI (100)	51	423 ± 32	41.068	136 ± 18	1.317	31.18	95 ± 11.0	61,589 ± 3,932
XVII (101)	58	451 ± 27	48.693	122 ± 11	0.951	51.20	73 ± 9.8	77,743 ± 4,901
XVIII (103)	55	481 ± 33	58.291	133 ± 21	1.232	47.31	82 ± 15.1	62,741 ± 4,901
XIX (112)	59	457 ± 37	49.994	129 ± 19	1.124	44.47	76 ± 13.7	68,286 ± 3,314
XX (115)	60	470 ± 32	54.383	130 ± 17	1.150	47.28	77 ± 11.5	83,041 ± 5,065
XXI (116)	63	465 ± 43	52.666	125 ± 14	1.023	51.48	62 ± 14.4	78,653 ± 3,825
XXII (119)	71	490 ± 29	61.625	121 ± 14	0.927	66.47	72 ± 12.7	73,766 ± 4,045
XXIII (123)	66	507 ± 38	68.264	127 ± 13	1.072	63.67	86 ± 8.6	81,613 ± 4,548
XXIV (124)	74	530 ± 44	77.983	129 ± 19	0.882	88.41	80 ± 10.4	87,762 ± 4,404
XXV (129)	73	522 ± 51	74.504	119 ± 16	0.678	109.88	69 ± 11.3	75,608 ± 5,094
XXVI (132)	74	529 ± 53	77.542	109 ± 19	1.150	67.42	76 ± 14.0	83,814 ± 4,517
XXVII (133)	80	535 ± 26	80.211	130 ± 22	0.998	80.37	65 ± 15.4	80,863 ± 4,280
XXVIII (140)	78	513 ± 37	70.717	124 ± 15	0.987	71.64	72 ± 12.2	81,539 ± 5,327
XXIX (149)	87	550 ± 39	87.148	118 ± 17	0.860	101.83	67 ± 12.3	91,726 ± 4,678
XXX (154)	98	540 ± 42	82.481	103 ± 21	0.572	144.19	63 ± 13.2	93,508 ± 5,227