1900.] 



EAETHWORMS OP THE " SKEAT EXPEDITION"." 



901 



Prom the foregoing account may be extracted the following 

 definition of 



Amyntas aringeanus, n. sp. 



Length 115 mm. ; number of segments 142. Clitellum xiv.-xvi„ 

 without setae. Genital papilla? paired upon segments v., vi. (two 

 pairs), vii., on xvii, & xix. paired groups of 9-11 papillae in line with 



Fig. 3, 



Anterior end of Amyntas aringeanus. x 3. 



male pores. Male pores large and far apart. (Septum viii./ix. 

 absent. Last heart in xii. No caeca. Sperm-sacs in x.-xii. 

 Npermiducal glands in xvii. -xix., compact and square in outline ; 



59* 



