Issued hy C. G. LLOYD. 



PLATE 76. 



Fig. 1. Fig. 2. 



Fig. 1, enlarged. Fig. 2, specimens from W. N. Suksdorf, Washington. 

 TYLOSTOMA OCCIDENTALE. 



Fig. 3. 



Fig. 4. 



Fig. 3, enlarged. Figs. 4 and 5, specimens from near Cincinnati. 



TYLOSTOMA VERRUCOSUM. 



