22 ProL 
XVIII. PROTOZOA. 
Paramoecium aurelia , reactions to stimuli, p. 320, Jennings, J. Physiol, 
xxi. 
Pleurocoptes , n. g. for P. hy dr actiniae , on Hy dr actinia echinata i p. 61, 
Wallengren, Festschrift Wilhelm Lilljeborg, n. sp. 
Stichospira , n. g. for S. paradoxa , New Philadelphia, p. 535, Sterki, Amer. 
Natural, xxxi, n. sp. 
Stichotricha opisthotonoides , New Orleans, pond, p. 146, fig. 18, Smith, 
Amer. Micr. J. xviii, n. sp. 
Strombidium nasutum , Louisiana, p. 64, pi. i, fig. 15, Smith, Tr. Amer. 
Micr. Soc. xix, n. sp. 
Tillina dissimilis, Louisiana, p. 60, pi. i, fig. 10, Smith, Tr. Amer. Micr. 
Soc. xix, n. sp. 
Trichodina pediculus , described, p. 55, mitra , described, p. 62, Wallen- 
gren, Biol. Centralbl. xvii. 
Trochilia Jhiviatilis } Audobon Park, New Orleans, p. 148, fig. 17, Smith, 
Amer. Micr. J. xviii, n. sp. 
Urocentrum trichocystus , Louisiana, p. 64, Smith, Tr. Amer. Micr. Soc. 
xix, n. sp. 
Urotricha hyalina , Louisiana, p. 59, pi. i, fig. 9, Smith, Tr. Amer. Micr. 
Soc. xix, n. sp. 
Vorticella conesoma , figured, p. 58, fig. 41, France, Result, wiss. Erforsch. 
Balatonsees. 
Zoothamnium pectinatum , Plon, p. 7, pi. i, fig. 6, Zacharias, Forschber. 
Plon, v, 1897, n. sp. 
ACINETARIA. 
Podophya gelatinosa, p. 89, pi. v, figg. 1-6, 9-13, 15, 17 & 20, Sand, Ann. 
Soc. Beige Micr. xx. 
ToJcophrya quadripartita ) p. 94, pi. v, figg. 8, 14, 16 & 18, Sand, Ann. Soc. 
Beige Micr. xx. 
Trichophrya epistylidis , p. 93, pi. v, fig. 7, Sand, Ann. Soc. Beige Micr. xx. 
Urnula epistylidis , p. 93, pi. v, fig. 8, Sand, Ann. Soc. Beige Micr. xx. 
