DESCRIPTIONS OF EARTHWORMS. 



27 



NOTE III. 

 DESCRIPTIONS OF EARTHWORMS 



BY 



Dr. R. HORST. 



X. 



On a Benhamia-species from Paramaribo. 



Among a lot of worms, collected in Paramaribo^), I met 

 with a dozen of small ^éw/jama-specimens, which cannot 



be identified with 

 one of the species of 

 this genus, descri- 

 bed from America. 

 The number of these 

 species however is 

 not very large. Rosa 

 described a couple 



of them from 

 Mexico ^) and Pa- 

 ragay '), and Eisen 

 in a recent paper 

 1. 2. 3. on Pacific Coast 



Fig.l. Prostata. Fig.2. Penial setae. Fig. S.Spermatheca. 01igOchaeta*)added 



four new species from Mexico and California. In this 



1) See Notes from the Leyden Museum, Vol. XX, 1898, p. 202. The specimens 

 of Pontoscolex corethrwrus, mentioned in this paper, probably belong to Eisen's 

 variety mexicanus (Festskrift for Liljeborg, 1896, p. 8), for they differ from the 

 East-India specimens by having not 130 or more segments from head to caudal 

 zone, but only 103 to 120. 



2) Anu. K. K. Naturh. Hofmuscums, Bd. VI, 1891, p. 394. 



3) Mem. Accad. reale del Sc. di Torino (II) XLV, 1894— 95, p. 137, fig. 13. 



4) Mem. California Acad, of Sc. Vol. 11, 1896, p. 123. 



Notes from tho Leyden Museum, Vol. X.XI. 



