128 DESCRIPTIONS OF EARTHWORMS. 



EXPLANATION 



OF 



Plate 6. 



Fig. 1. Ac. BeddarcU Horst; general view of the interna] 

 organs of the worm , opened from the dorsal side : 

 ƒ. vas-deferens funnel ; g. gizzard ; gl. intestinal 

 coeca ; Iv. lateral vessel ; m. the large muscles of 

 the copulatory bristles ; n. modified nephridia ; o. 

 ovary ; pr. prostate glands ; sp. spermatheca ; vs. 

 vesicula seminalis; x. gland, x 2^/2 diam. 



Fig. 2. Region of the copulatory pouches of the right 

 side , higher magnified ; the anterior spermatheca 

 is turned to the left : cb. copulatory bristles (reserve- 

 bundle) ; other letters as before. 



Fig. 3. Distal end of a penial seta: a. dorsal aspect; h. 

 ventral aspect; higly magnified. 



Fig. 4. Distal end of a copulatory seta, from the vicinity 

 of the spermathecae ; highly magnified. 



Notes from the Leyden IMuseum, "Vol. X. 



