HAE^ VOLXII. 



PLATE XIX 



QUSTAVEtSEN.DF.L 



LITH HRITTnX A Rl^' 5 T 



ENCHYTR/EID/E 



ENCHYTR^US METIxAHKATLENSIS. i. 



ENCHVTR-^US MODESTU3, 2. 3. 



ENCHYTIVEUS ALASKA. 4. 5. 6. 



