JOURNAL 
OF THE 
EOTAL MICROSCOPICAL SOCIETY. 
DECEMBER 1891. 
TRANSACTIONS OF THE SOCIETY. 
X . — Notes of New Infusoria from the Fresh Waters of the United 
ERRATA. 
Page 727, for “ j8. Polyzoa ” read “ /3. Bryozoa.” 
„ 728, omit “ 0. Bryozoa.” 
„ 778, lines 4 and 5, for “ Chreocolax ” read “ Choreocolax .” 
contractile vesicles two, one near the centre of each lateral border, a 
large, conspicuous vacuole often developed at the posterior extremity ; 
pedicle stout, apparently hollow, from two and a half to three times 
EXPLANATION OF PLATE X. 
Fig. 1. — Monosiga lacustris. X 750. 
„ 2. — „ filicaulis. x 720. A portion of the pedicle omitted. 
„ 3. — Salpingceca brunnea. 
„ 4. — Plagiopyla Hatchi. x 195. 
„ 5. — Strornbidinopsis similis. X 400. 
„ 6. — Chilodon labiatus. X 375. 
„ 7. — Urostyla elongata. 
„ 8. — „ fulva. x 220. 
„ 9. — Trichototaxis stagnatilis. X 260. 
„ 10. — Oxytricha setigera. x 550. 
„ 11. — „ ludibunda. 
„ 12. — Histrio Sphagni. x 315. 
„ 13. — „ „ Diagram of the concave margin of some forms. 
„ 14. — „ vorax. x 150. 
„ 15. — Acineta sequalis. x 525. 
,, 16. — „ pyriformis. x 730. 
3 D 
1891. 
