EARTHWORM PHERETIMA HUPEIENSIS — GRANT 



55 



septal pouches from septa 10/11 and 11/12. Each communicates di- 

 rectly with and receives the spermatozoa of the segment in front. 

 The seminal vesicles when full of developing sperm are large and dis- 

 tended, passing dorsally around the gut to the dorsal blood vessel. 



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Figure 2. — Pheretima hupeiensis; semidiagrammatic view of a section through segment 11 

 showing the annular shape of the testes sacs. For explanation of abbreviations see facing 

 page. 



The small, narrow vesicles described by Chen (1933) were undoubt- 

 edly not seasonally mature or had been shrunk during preservation. 

 In P. hupeiensis the testes, funnels, and seminal vesicles of segments 

 10 and 11 and the seminal vesicles of segment 12 are partitioned from 

 the coelomic cavity by large, thin-walled sacs. These are commonly 

 called testis sacs, but Kobayashi (1938) has questioned the propriety 



