AN ATTEMPT TO CLASSIFY EARTHWORMS. 259 



across the middle line in Somites x, xi, by sacs enclosing the 

 testes and ciliated rosettes. 



Tubercula pubertatis^ four on each side, forming a band 

 along the ventral limit of the clitellum. These, and the sper- 

 mathecse are absent in L. eiseni. 



[Colour reddish brown, iridescent. 



Form cylindrical, more or less flattened posteriorly. 



First dorsal pore may begin between Somites vii and viii, 

 or posteriorly to this. 



Anus terminal. 



Spermathecse. — Two pairs in Somites ix and x, opening 

 posteriorly nearly in a line with the lateral setse. 



Spermatophores, in the breeding season, fixed to the body 

 behind the genital pores. 



Gizzard occupies Somites xvii and xviii. 



CEsophageal calciferous glands xi and xii.] 



Species 1. L. agricola, HoflFm., 1845; Europe, N. America 

 (= L. terrestris, L., partly). 



2. L. rubellus, Hoffm., 1845; Europe, Newfound- 



land. 



3. L. castaneus, Sav., 1829; Europe, Newfound- 



land. 



4. L. meliboeus, Rosa, 1884; Europe. 



5. L. eiseni, Levinsen, 1883; Europe. 



6. L. caucasicus, Kulagin, 1888; South Russia. 



See Hoffmeister, 'Die bis jetzt bekannten Arten aus d. Fam. 

 der Regenwiirmer,' 1845; Eisen, ' Ofvers. af Kong. Vetensk. 

 Akad. Forhandlungen,' 1870, 1873, &c. ; Rosa, ' II Lombricidi 

 del Piemonte,' Torino, 1884, and later papers in ' Boll. Mus. 

 Zool.,' Torino. 



Genus 30. Allolobophoba, Eisen ( = Lumbricus, L., partly). 



Prostomium only partially dovetailed into the peristomium. 

 Setae either in four couples, or individual setae more or less 

 widely separated. 



