H AE. VOLXII 



PLATE XVIII. 



BUSTAv Ei!i;;H.riF.b. 



I.ITH.aRITTni! »KE!f.BV 



ENCHYTR/EID/E 



LUMBRICILLUS AHHUIJKTVS. I. 



ENCHYTR^US KlNCAIDl. 2. 3. 4, 



ENCHYTR/2EUS METLAHKATLENSIS, 5, 



ENCHYTR/^rillS SAXICOIA. 6 



