578 GEOFFREY SMITH. 
Fira. 7.—Section through wall of posterior part of mid-gut, showing 
absorptive layer (m.), basement membrane (b. m.), and submucosa (s. 2.). 
Fia. 8.—Transverse section through a liver tube of Anaspides, 
unfed condition. g, special gland-cells. 
Fia. 9.—Transverse section through a liver tube, full-fed condition 
with fat vacuoles in cells. 
Fie. 10.—Transverse section through external duct of maxillary 
gland. 
Fria. 11.—Section through a more internal part of gland. 
Fra, 12.—Section through a more internal secretory part of gland. 
Fia. 13.—Section through a portion of end-sac. 
Fria. 14.—Longitudinal section through a piece of ovary of Anas- 
pides, showing two large ova, small ova lying in the lobes on the right, 
and the trophic cells (tr.) on the left. 
Fie. 15.—Transverse section through testis of young Anaspides, 
showing trophic cells (¢r.), primary (sp. 1), and secondary spermacytes 
(sp. 2), and spermatozoa (spt.). 
Fic. 16.—Upper portion of vas deferens, with albuminous part of 
spermatophore in lumen, and trophic cells (¢.) surrounding it. 
Fic. 17.—Section through the supporting tissue of glandular appear- 
ance which surrounds the ducts of the spermatheca, and is also present 
in the labrum. 
