26 EISEN, PRELIM. REPORT ON GEN. ANDP SPEC. OF TUBIFICIDZA. 
EXPLANATION OF THE FIGURES. 
Fig. 1. Telmatodrilus Vejdovskyi. 
A part of the efferent duct, atrium with the prostata glands, penis 
and oviduct. 
Fig. 2. Tubifex campanulatus. 
Penis, penis-sheath and oviducts. / 
Fig. 3. Limnodrilus Steigerwaldi. 
Penis, penis-sheath and oviducts. 
Fig. 4. Limnodrilus Silvani. 
Penis, penis-sheath and oviducts. 
Fig. 5. Camptodrilus spiralis. 
Penis, penis-sheath, oviducts, and spiral muscles. 
Fig, 6. Camptodrilus californicus. 
Penis, penis-sheath, oviducet and spiral muscles. 
atr. — atrium; eff. — efferent duct. 
in. ap. = interior aperture of the oviducts. 
in. ovd. = interior oviduct; ex. ovd. = exterior oviduct. 
p. 8. = penis-sheath; p. = penis. 
sp. mscl. = spiral muscles; pr. = prostata-glands. 
