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PROCEEDINGS OF THE NATIONAL MUSEUM 



Figures 2-S. — Cross-sections of male reproductive organs. 2, Reproductive systems of 

 Camharincola shoshone, showing typical orientation and location of the major organs 

 within segments v and vi; 3, section through bursa of C. ingens in normal position; 

 4, cross-section through bursa of C. ingens in everted position; 5, cross-section through 

 spermiducal gland, prostate, and part of ejaculatory duct in C. philadelphica. Histology 

 semidiagrammatic, but size and shape of individual cells shown correctly. Abbrevia- 

 tions: A, atrium of bursa; ADD, anterior deferent duct; ADL, anterior deferent lobe 



