L62 



MKIUSTIC VARIATION. 



[PART i. 



103 T-ible shelving position of ovaries in forms having two or more 

 pairs ,,t',.,;,nes,andin the Variations found (slightly altered from 

 M F. WOODWARD, P. Z. ., 181)2): 



104. Allolobophora >j>. [,/ pores normally in loth and $ pores in 

 14th, as in cuiiiiii.ni Earthworm]: specimen having on the right 

 siili- pore in 20th and $ p..iv in 19th ; on the left side, pure in 

 17th and $ jii.n- in Kith. MiCHAELSEX, W., Juhrb. Jfnniltnrg. 

 wiss. Anstcdt, IN!K), vn. p. s. In c-ach case the pore is in tin- 

 aegini-nt lifhind tin- $ pore, as normally. The position of ovaries 

 n. .t 



Lumbricus agricola Hofl'm. (= terrestris L.) : amongst 230 speci- 

 mens in which the ] 'i '-it ion of the male pores are determined, 6 speci- 

 mens were found in which these openings were not normally placed (vi/.. 

 one mi c;ich side in the loth segment). In two of these specimens, 

 linth puivs were iii the 14th segment; in one case the left pore 

 w;i-. in ilie llth segment ;md tlie right was in the loth: these three 

 \\iirms were ( leniiaii. One specimen was found in Savigny's collection 

 in I'aris \\liich had two pores on the left side [and none on the 

 right i'i . In <>ne Knglish specimen the " vulva" [.sr. the two male 

 pi ires] was in (he 1 Itli segment and in another it was in the 16th. 

 [The author speaks sometimes of both pores as the "vulva," and at 

 ..I her times he uses this term for one pore only, but the meaning is 

 plainly that given above.] HoFKMKisTKH, W., Uebersicht alter bis 

 j.i-.i / /.-,!,,,,/,, i Art' it a, if. /'"//////' Regenwurmer, Braunschw., ~ 

 P. 



. 



i'.. ;i N. Xcaland Oligochret, lias _' ] aiis of testes and 4 vasa defereutia 

 .-r]i;initrl\ : '-' ]i:iirs of ovaries and 4 oviducts. Li I>I'AKI>. F. E., Ann. and 

 M,,,I., L888, i. ].. B89, /'/. 



