1900.] EABTHWOEHS OF THE GENUS AHTNTAS. 641 



4. Setce present on clitellum; gizzard-septa sometimes represented „• 

 no terminal bulbus. 



A. Spermathecae 5 pairs in v.-ix. 



77. Amyntas lorise Eosa. 



Perichceta lorice, Eosa, Ann. Mus. Civ. Genova, (2) xix. p. 61. 



Perichceta lorice, Beddard, Willey's Zool. Eesults, pt. ii. p. 185. 



130 mm., 99 segments. Setae, 60 on v., 70 on xxv. Setae 

 present on all segments of clitellum or on xv., xvi., or on xvi. 

 Male pores with 10 setae between. Papillae on xvii., xix., xx., on 

 line with male pores. Septum viii./ix. present. No caeca. Sperm- 

 sacs in xii. Spermiducal gland in xviii. only. Diverticulum as 

 long as duct of spermatheca. 



Hab. British New Guinea ; Solomon Is. 



The female pore is at least sometimes paired. 



78. Amyntas solomonis Beddard. 



Perichceta solomonis, Beddard, Willey's Zool. Results, pt. ii. p. 188. 



140 mm., 90 segments ; a stout worm. Setae present at least on 

 xvi. of clitellar segments. 15 setae between male pores. Eows 

 of 3-6 papillae on x., xi., xx.-xxiii. Septum viii./ix. present. 

 Last hearts in xii. Sperm-sacs x.-xii. Spermiducal glands xviii.- 

 xx., with curved duct. Diverticulum of spermatheca half the 

 length of pouch. 



Hab. Solomon Is. 



79. Amyntas subulatus Mich. 



A. subulatus, Michaelsen, Jahrb. Harab. wiss. Anst. xvi. p. 29. 



70 mm., 116 segments. Setae closer ventrally, with slight dorsal 

 gap. Dorsal pores from vi./vii. Setae on all segments of clitellum. 

 26 setae between male pores. Papillae paired on x., xi., xvii., xix., 

 xx. No caeca ; gizzard-septa present. Spermiducal glands in xviii., 

 xix., with straight duct. Spermatbecal diverticulum half the length 

 of pouch. 



Hab. Celebes. 



80. Amyntas violaceus Beddard. 



Perichceta violacea, Beddard, Monograph Oligochaeta, p. 407. 



80 mm., 89 segments ; slender worm. Setae 44 on v., 40 on xvi.; 

 on all segments of clitellum. Papillae one pair on xviii.-xix., large. 

 Last heart in xii. Spermiducal glands xvi.-xx., with long and bent 

 duct. Spermatbecal diverticula nearly as long as pouch. 



Hab. Penang ; West Indies. 



B. Sperm athecae 4 pairs in vi.-ix. 



81. Amyntas posthumus Vaillant. 



Perichceta posthuma, Vaillant, Ann. Sci. Nat. (5) x. p. 228, and 

 Mem. Ac. Montpellier, vii. p. 146. 



Perichceta affinis, Perrier, Nouv. Arch. Mus. Paris, vhi. p. 106. 



