1900.] 



EABTHWOKMS OF THE " SKEAT EXPEDITION." 



901 



From 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 papillae paired upon segments v., vi. (two 

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



rig. 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. 

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



59* 



