130 
FRANK E. BEDDARD. 
EXPLANATION OF PLATES XII, XIII, 
Illustrating Mr. Frank E. Beddard’s Paper “ On the Structure 
of Three New Species of Earthworms, with Remarks on 
Certain Points in the Morphology of the 01igoch^eta. ,, 
PLATE XII. 
Figs. 1 — 9. — Typhaeus Gammii. 
Fig. 1. Male reproductive organs. T. Testis. M. Septum, a. Part of 
seminal vesicle, f. Fuiinel of vas deferens, v. d. Yas deferens, s. 
Setae of ventral pair. gl. Glandular part of atrium, s'. Sac contain- 
ing penial setae, m. Muscular part of atrium. 
Fig. 2. Transverse section through a portion of one of the intestinal 
glands. 
Fig. 3. Segments in the immediate neighbourhood of the male reproduc- 
tive pores, to show copulatory papillae. 
Fig. 4. Supra-cesophageal ganglia, v. Visceral nerves, c. Circum-ceso- 
phageal commissure. 
Fig. 5. Section through junction of atrium and setae sac. s. Penial seta. 
Fig. 6. Principal vascular trunks, d. Dorsal vessel, v. Ventral, si. 
Supra-intestinal. e. Epidermis. 
Fig. 7. Anterior segments, to illustrate the number of annuli in each 
segment, cp. Orifices of spermathecae. 
Fig. 8. (Esophagus in the region of calciferous glands ( ca .). 
Fig. 9. Dissection of the thirteenth and fourteenth segments, v. d. Vas 
deferens, ov. Ovary, od. Oviduct. 
Figs. 10 — 12. — Moniligaster Barwelli. 
Fig. 10. Section through a body in the tenth segment, which is probably 
the oviduct. 
Fig. 11. Transverse section through atrium, v. d. Vas deferens, pr. 
Glandular peritoneal cells, bl. Blood-vessels. 
Fig. 12. Diagrammatic longitudinal section through anterior region of 
body. s.o. Supra-cesophageal ganglion, s. Salivary glands, sp. Sep- 
tum. at. Atrial pore. v. s. Seminal vesicle, od. Oviduct, cp. Sper- 
matheca. 
Fig. 13. — Acanthodrilus annectens. Dissection of genital segments. 
t. Testes, ov. Ovary, od. Oviduct, f. Funnel of vas deferens. 
