506 JOURNAL, BOMBAY NATURAL HISr. SOCIETY, Vol. XXIV. 



the external opening, the duct being not distinctly marked off. From close 

 to the base arise two club-shaped diverticula, one on each side 5 as long as 

 the ampulla (Fig. VIII, Plate II.) 



References to Literature. 



1. Michcslsen, W. — " Oligochseta " in Das Tierreich, Berlin, 1900. 



2. Mich(Blsen, W. — ■" The Oligochteta of India, Nepal, Ceylon, Burma and 



the Andaman Islands," Mem. Ind. Mus., Vol. I, No. 3, 1909. 



3. Tiguet, E. — Oligochseta, Geneve, 1913. 



■Jr. Stejjhenson, J. — Contributions to the Fauna of Yunan, Part VIII, 

 Earthworms, Rec. Ind. Mus., Calcutta, Vol. VII, Part 3, 1912. 



-5. Stephenson, J. — -On a collection of Oligochseta mainly from Ceylon. 

 Reprinted from " Spolia Zeylanica, " Vol. VIII, Part XXXII, 1918. 



6. Stephenson, J. — " Zoological Results of the Abor Expedition," Rec. 



Ind. Mus., Calcutta, Vol. VIII, Part IV, No. 29, 1914. 



7. Stephenson, J. — " On a Collection of Oligochseta mainly from Northern 



India." Rec. Ind. Mus., Vol. X, Part VI, No. 22, 1914. 



Explanation of Plate I. 



Figure 1. — Genital area of Fheretima heterochdRta. $ Female pore, 



S Male pore. 

 Figure 2. — Genital area of Pheretima posthuma. G. Genital papilla. 



$ Female pore, S Male aperture. 

 Figure 3. — Genital area of Pheretima barbadensis. 5 Female pore. CI. 



Clitellum, S Male aperture. G. Genital papilla. 

 Figure 4. — Genital area of Pheretima haioayana. Setse on the segment xvi 



indicated where they are present ventrally. 5 Female pore, 



G. Genital papilla. S Male pore. 

 Figure 5. — Clitellum of Helodrilus caliginosus forma trapezoides. S. setse. 



C. Cushion formed by the genital area. 

 Figure 6. — Segments xviii — xx of Lamjjito mauritii. S Male pore. 

 Figure 7 . — Cocoon of Pheretima posthuma. 

 Figure 8. — Clitellum of Helodrilus piarvus ventral view. S. Setse. G. 



Genital papillse. 

 Figure 9. — Segments xiv — xvi of Helodrilus caliginosus. 5 Female pore, 



cj Male aperture. 

 Figure 10. — Segments ix — xi of Helodrilus caliginosus. G. Genital areas 



of a glandular nature surrounding the setse. 

 Figure 11. — Seta a, segment, x, Helodrilus caliginosus. 

 Figure 12. — Seta a, hinder part of the body, Helodrilus caliginosus. 

 Figure 13. — Seta a, segment x, Helodrilus parvus. 

 Figure iJf,. — Seta of Pheretima heterochceta. 



Figure 15. — Distal end of penial seta of Lampito mauritii showing orna- 

 mentation. 

 Roman nximerals refer to the numbers of segments. 



Explanation of Plate II. 



Figure I. — Helodrilus caliginosus forma trapezoides spermatheca. 



Figure II. — Helodrilus parvus — Cocoon. 



Figure III. — Pheretima lunoayana sub. sp. typica. Segments xi-xxiii 



dissected out to display the internal anatomy. 

 Figure IV. — Pheretima hatvayana sub. sp. typica spermatheca. 

 Figure V. — Pheretima hawayana sub. sp. barbadensis spermatheca. 

 Figure VI. — Pheretima posthuma — Spermatheca. 

 Figure VII. — Pheretima heterochceta — Spermatheca. 

 Figure VTII, — Lampito mauritii — Spermatheca. 



