102 
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EXPLANATION OF PLATE. 
Fig. 1. Female Reproductive Organ. c^ = base of four ovarian tubes 
containing ova ; only the terminal portion of the remaining four tubes is shown 
in the figure. & = uterine chamber, cc' = colleterial glands, the long tubes of 
which are not shown in the figure, having been cut off. = vagina. e = copu- 
latory sac. /= sperm-duct. gr=copulatory vestibule. x 9. 
Fig. 2. Cuticula from copulatory sac. x 52 (Zeiss’s A, and 2 oc.). 
Fig, 3. Small portion of same, x 320 (Zeiss’s DD, and 3 oc.). 
Fig. 4. Transverse section through one of the folds of the copulatory sac. 
«=muscular layer. & = epithelium layer. c==cuticula. x 1070 (Zeiss’s J, 
and 4 oc. ). 
Fig. 5. Ova. «x3 (about). & x 570 (Zeiss’s J, and 2 oc.). 
Fig. 6. Male Reproductive Organ (from above), a = hook of ninth 
somite. 5 = ventral process of ninth somite. c = penis. = claspers. ce' = 
scent organs with hair-like scales removed. /= testis. r/ = vasa deferentia. 
= prostates. z = mucous glands. 7: = ductus ejaculatorius. x 9. 
Fig. 7. Peuis (from below), x 9. 
Fig. 8. Terminal portion of penis, x 20. 
Fig. 9. Spermatozoa, x 1070 (Zeiss’s J, and 4 oc.). 
