NEW SPECIES OF OCNERODRIEUS. 289 



Fig. 58. (}. soiwrd'. Part of the muscular part of the prostate. 

 Fig. 59. 0. sonorre. The prostate and part of sperm iluet. 

 Fig. 60. 0. sonorn-. Spermatheca. 



Plate IX. 

 Fig. 61. '/. giiatei/i((/i(-. Side view <if the anterior somites. The parts 

 of the septal glands covering the (jesophagus are not represented. 



sl.gl. salivary glands of the pharynx. 



.s. r/L septal glands. 



s. septa. 



.V. s. sperm-sacs. 



dvt. diverticulum of the usophagus. 



les. cesophagus. 



,s. i. sacculated intestine. 



oc. ovary. 



ovd. oviduct. 



splh. spermatheca. 



(I. V. dorsal vessel. 



V. i\ ventral vessel. 



h. hearts. 



/. testes. 

 Fig. 62. (>. (/uatcmakL'. Spermatheca. 

 Fig. 63. O. guatemalcE. Spermatheca, a smaller form. 

 Fig. 64. O. guatemalce. Free end of spermatheca more enlarged. 

 Fig. 65. O. guatemalce. Somite xvii, showing the prostates. 

 Fig. 66. 0. guatemaloi. One of the prostates more enlarged. 

 Fig. 67. O. contractus. One of the male papillfe in somite xvii. 

 Fig. 68. O. occidentaJh. The male papilla and the inner couple of seta- in 



somite xvii. 

 Fig. 69. 0. occhlentalls. The prostates and part of the sperm ducts. 



xp. d. sperm ducts. 



m. pr. muscular part of the prostate. 



gl. pr. glandiilar part of prostate. 



•('. gl . ventral ganglion. 

 Fig. 70. 0. occidentalis. The anterior somite, side view. In this, as in 

 nearly all the side view figures where the septal glands are shown, 

 only a part of the glands are represented in order to show the 

 (esophagus. In all the species the septal glands surround the 

 oesophagus completely and hide it from view. 



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



•V. gl. septal glands of somites v to viii. 



dvt. diverticulum of the oesophagus. 



X. K. sperm-sacs. 



o. ovary. 



ovd. oviduct. 



