NEW SPECIES OF OCNERODRILUS. 287 



s. septa. 



.s. (il. septal glauds. 



dvt. diverticulum of the oesophagus. 



c. V. connecting vessel in somite ix between the dorsal and ventral 

 vessel. 



h. hearts in somites x and xi. 

 .s. /. sacculated intestine. 



0. Beddardi. Sperm-sac in somite xii. 

 0. Beddardi. Part of a lobe showing spermatozoa. 

 0. agricola. The anterior part of the intestine shown in out- 

 line. 

 O. Umlcohi. The spermatheca. 

 0. Rosce. The spermatheca. 



O. Beddardi. The upper lobe of the septal gland in somite v, 

 and the muscular band around which it is arranged. 

 Fig. 38. O. Hendriei. The anterior somites, longitudinal or side view, 

 showing the relative proportions of the septal glands, sperm-sacs, 

 etc. 



d. r/l. salivary glands of the pharynx. 

 •s. septa. 



/. ?'. lateral longitudinal vessel. 



spth. spermatheca and spermathecal pore. 



dot. diverticulum of the oesophagus. 



.S..S'. sperm-sacs. 



.S.S. /. lobed sperm-sac in somite xii. 



h. hearts in somites x and xi. 



c. r. connecting vessel in somite ix. 

 ,s-. ;. sacculated intestine. 



d. r. dorsal vessel. 

 ('. r. ventral vessel. 



Fig. 39. O. Hendriei. Spermatheca. 



Fig. 40. O. Beddardi. Supra-pharyngeal ganglion, the commissures and 



the ventral nerve trunk and their branches. 

 Fig. 41. <). agricola. The globular spermatheca. 



Fig. 42. O. contractus. Side view of the anterior somites, showing the 

 relative proportions of the septal glands, spermatheca, sperm-sacs, 

 etc. 

 ,s/. gl. salivary gland of the pharynx. 

 .s. septa. 



dvt. diverticulum of oesophagus. 

 spth. spermatheca. 

 s. s. sperm-sac in somite ix, x and xi. 

 .ss. I. lobed sperm-sac in somite xii. 

 Fig. 43. O. contractus. Spermatheca from the right hand side of somite ix. 



