710 OLIGOCHAETA 



Lumbricus terrestris, var. stagnalis, OERLEY, Mt. Akad. Math., 1880, p. 583. 



? Enterion opimum, SAVIGNY, Mem. Ac. Roy. Inst. Fr. (Analyse), v, 1 826, p. 1 83. 



[Unnamed worm], HORST, Notes Leyd. Mus., 1887, p. 297. 



Definition. Length, 90 mm.; diameter, 5 mm.; number of segments, 155. Clitellum, 

 XXIX, XXX, XXXVII. Setae, as in A. complanata. Dorsal pores commence XI/XII. 

 Tubercula pubertatis, forming two lines on all of clitellar segments. Spermathecae, jive 

 pairs in VI- VIII, X, XI. Hab. Italy. 



This species has been chiefly studied by ROSA. BORELLI has shown that the 

 nephridia alternate in the same way that they do in other species. The spermathecae 

 have a curious arrangement ; the first three open by the posterior septum of their 

 segments ; the fourth opens by the septum ix/x ; the fifth by the septum x/xi. The 

 colour is earthy brown, like A. complanata, perhaps more yellowish in the middle of 

 the body. ROSA has described a variety from the neighbourhood of Venice, which is 

 distinguished by its colour and smaller size ; the colour is greyish, with a bluish tinge, 

 rose anteriorly, and reddish at the posterior end ; this coloration is stated by ROSA 

 to be identical with that of A. profuga. Enterion opimum of SAVIGNY is stated to 

 have only four pairs of spermathecae. 



(21) Allolobophora alpina, ROSA. 



A. alpina, ROSA, Lumbr. Piemont., 1884, p. 28. 



A. (Notogama) alpina, ROSA, Boll. Mus. Torino, 1890, No. 160, p. 3. 



Definition. Length, 50 mm.; number of segments, 130. Clitellum, XXVII, XXVIII-XXXII, 

 XXXIV. Setae distant. Tubercula pubertatis on XXX-XXXII. Spermathecae in IX, X, 

 opening on to IX/X, X/XI, near to dorsal line. Hab. Italy ; Palestine. 



This species is like A.foetida, A. veneta, and perhaps also A. rubida, in the position 

 of the spennathecal pores. 



(22) Allolobophora festae, ROSAE. 

 A. festae, ROSA, Boll. Mus. Zool. Torino, 1892, No. 122. 



Definition. Length, 35 mm. ; breadth, 2 mm.; number of segments, 180. Clitellum, XX, 

 XXI-XXXIII. Tubercula pubertatis on XXIX-XXXI. Setae strictly paired. Sperma- 

 thecae, tico pairs in XII, XIII (?), opening by dorsal setae. Hab. Tunis. 



