112 FAUNA OF NEW ENGLAND. 



PHYLLOPODA. CLADOCERA. 



BOSMINIDAE. 



368. BosMijf A OBTusiEosTRis G. O. Sars. 



Bosmina obtusirostris G, O. Sars, Forh. vid.-selsk. Christi- 

 ania, 1861 (1862), p. 153. "I Omegxex af Christiania." 

 Birge, Trans. Wisconsin acad. sci., 1893, vol. 9, p. 300, pi. 12, figs. 

 10 ct 11. 



Mass. — Near Woods Hole, in a pool in Fay's Wood. Deter- 

 mined with doubt by Birge. 



LYNCEIDAE. 



369. Pleueoxus procuevus Birge. 



Pleuroxtis procitrviis Birge, Trans. Wisconsin acad. sci., 

 1876-77 (1878), vol. 4, p. 92 [16], pi. 1, figs. 19-20. " Glacialis, 

 Cambridge, Mass. * * * Southampton, Mass. * * * Madison, 

 Wis." 



Mass. — Glacialis, Cambridge; Southampton. 



370. Pleuroxus steaminius Birge. 



Pleuroxus straminius Birge, Trans. Wisconsin acad. sci., 1876 

 -77 (1878), vol. 4, p. 94 [18], pi. 2, fig. 11. "Cambridge, 

 Mass." 



Mass. — Cambridge. Common. 



371. Pleueoxus insculptus Birge. 



Pleuroxus insculptus Birge, Trans. Wisconsin acad. sci., 1876 

 -77 (1878), vol. 4, p. 95 [19], pi. 2, fig. 12. "Cambridge, 

 Mass. Glacialis, * * * Southampton, Mass." 



Mass. — Glacialis, Cambridge (rather scarce) ; Southampton 

 (not uncommon). 



