62 BULLETIN OF THE LABORATORIES 



Euchlatiis hipposideros , Gosse. 



do portion of lateral vessel with beaker cell. 

 Undetermined. 

 Amphileptus gigas, C. & L. 



Plate IV. 



Undetermined. 



Squamella bractea, Ehr. 



Alonostyla qtiadridentata, Ehr, (?). The foot is somewhat too long in 



Polyarthra platyptera, Ehr. 

 Undetermined. 

 Diurella insignis, sp. n. 



Plate X. 



Spirosiomnni teres. 

 Ophridhwi paradoxiim . 

 Annnea sp. 



Distyla Miniiesotensis , sp. n, 

 Stephanops niuticus, Ehr. 

 Brachiomis iiii'h'atris, Ehr. 



Fig. 



2 . 



Fig. 



2.1 



Fig. 



3- 



Fig. 



4- 



Fig. 



I. 



Fig. 



2 



Fig. 



3- 



e drawing. 



Fig. 



4- 



Fig. 



5- 



Fig. 



6. 



Fig. 



5- 



Fig. 



6. 



Fig. 



7- 



Fig. 



8. 



Fig . 



9- 



Fii^. 



lO 



