es ~ Alonopsis nti ae 
ay Alona glacialis? Female. 
nalts oat a i i 
Be as Bf) otk Welt Male. 3 pie Gl pee 
Alone satiate (?) var. . tubereula 
Hak ss Ae Lateral view. — hotly | Sr ouck Wek tema 
5B. Post-abdomen. i So eeentae 
3. _Labrum. ; | a a Hh Se ee a 
7. Antenna, setose branch. ; em se ae 
; oe 8. Alona glacialis. Antenna. — 2s EA Se Sea 
ay 9. Alonopsis latissima. Feet. | Subs YS ea 
G0; 11. Alonella excisa. Details of shell sculpture. _ 1 a rie 
BL Lt ate See 
Pleuroxus denticulatus. — 
10a. Outline of eqhippium. es) 
12. Female. : i set sagt 
13. Common variety. 
| 14. Alona glacialis (?) var. tuberculata. 
