Fic. ; Neng oy ee eee 
1. Of moderate size. 26g posi Se 
- 2. Antennule of male. f a Sbyekat pel Fee 
3. Head of variety. SS As (0 Ra ts Seo Maga 
4. Cyclops pulchellus (thomasi). Fourth foot. 2 2 
5. « — pulchellns (thomasi). Outer ramus of first foot. 
6, Daphnia hyalina (D. galeata). Typical form. nee 
7. Cyclops thomasi. Fifth foo . Ht Sa ane te 
8. “« thomasi. Stylet. . vat ae 
9. Cyclops (insectus?). Fourth foot. tn ee 
10. Bythotrephes longimanus. Female. S45: Os a ae 
1i. A curious large protozoan; a. infundibulum frame work ; 
pulsating vacuole; c. nucleus; d. food and digested matt er ; e. xt 
protective rods; ae spicules of the infundibulum. ast be ay 
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