DESCRIPTIONS OF GENERA AND SPECIES 379 



(ao) Megascolex hoggii (Spencer). 

 Ferichaeta hoggii, Spencee, ibid., p. 6. 



Definition. Length, lao mm.; number of segments, 135. Clitellum, XIII-XVII. Setae, 

 34-32. Genital jpapllae, three pairs on IX-XI, on TX/X an additional pair, Calciferotis 

 glands in X—XII; intestine begins in XVII. Last heart in XII. Sperm-sacs in IX, XII. 

 Spermathecae in V-IX. Hal. — Castlemain, Victoria. 



(31) Megascolex rubra (Spencee). 

 Perichaeta rubra, Spencee, ibid.j p. 8. 



Definition. Length, 55 mm,. ; number of segments, 90. Clitellum, XIV-XVI. Setae, 30-34. 

 Genital papillae on V-IX, gradually becoming paired from in front backwards, median 

 longer papillae on XVII, XIX-XXIII. Calciferous glands in X-XII ; intestine begins in 

 XV. Last heart in XII. Sperm-sacs in IX, XII. Spermathecae in V-IX. Hab. — 

 Tallarooh, Victoria. 



(33) Megascolex frenchii (Spencee). 

 Perichaeta firenchu, Spencee, ibid., p. 9. 



Definition. Length, 100 mm. ; number of segments, 1 10. Clitellum, XIII -XVII . Setae, 

 30-34. Genital papillae median on IX, X, XIX-XXII. Calciferous glands in X-XII; 

 intestine begins in XV. Last heart in XII. Sperm-sacs in IX-XII. Spermathecae in 

 V-IX. Bab. — Loch, S. Gippsland, and Waratah Bay. 



(33) Megascolex steelil (Spencee). 

 Perichaeta steelii, Spencee, ibid., p. 10. 

 Definition. Length, 60mm.; number of segments, 130. Clitellum, XIV-XVI. Setae, 20-34. 

 Genital papillae median on XVIL Calciferous glands in X-XII; intestine begins in XV. 

 Last heart in XII. Sperm-sacs^ in IX, XIL Spermathecae in V-IX. Hab.— Woodend, 

 Victoria. 



(24) Megascolex fielder! (Spencee). 

 Perichaeta fielderi, Spencee, ibid., p. 19. 

 Deflmtion. Length, 150 mm.; number of segments r Clitellum, XIII-XVIII. Setae, 13 on 

 all segments. Genital papillae median XIX/XX, XX/XXI. Vascular swellings in XI, 



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