EXPLANATION OF PLATE XIIL 



Isotoma muskegis n. sp. 



Fig. 



1. Dorsal view of male 



2. Dorsal view of female 



3. Lateral view of female 



4a. Distal end of furcula, lateral view 

 4b. Distal end of furcula, ventral view 



5. Left eye patch 



6. Foot of male 



7. Tenaculum 



8 — II. Sensory tubercles of male 



