112 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
26. Trachelomonas aspera Ehr. Swamp on South Bass Island. 
27. Trachelomonas arrnata Ehr. In aquatic vegetation from East Harbor, Lake Erie, aud from East 
Swamp on South Bass Island. 
28. Phacus longicaudus Ehr. From East Harbor. Lake Erie, aud from swamps on South Bass Island. 
29. Phacus triqueter Ehr. East Harbor, Lake Erie, and East Swamp, South Bass Island. 
30. Astasia trichophora Ehr. On Elodea from East Harbor, Lake Erie. 
31. Entosiphon sulcatum Duj. In jar of decaying Xelumbo iutea from East Harbor, Lake Erie. 
32. Synura uvella Ehr. East Swamp, South Bass Island. 
33. Chilomonas paramecium Ehr. Abundant in decaying water-plants from any part of Lake Erie 
or the swamps on South Bass Island. This is one of the species that can always be procured 
in unlimited quantities at any time. 
34. Monosiga steinii Kent. On stems of Epistylis plieatilis from East Swamp, South Bass Island. 
35. Peridinium tabulatum Ehr. In water-bottle collection froni upper 3 feet of Lake Erie, 1 mile 
west of South Bass Island; also in aquatic plants from East Harbor, Lake Erie, and from the 
swamps on South Bass Island. 
CILIATA. 
36. Trachelocerca olor O. F. M. In Utricularia from Portage River, Ohio. 
37. Coleps hirtus Ehr. Swamp near fish-hatchery on South Bass Island. 
38. Amphileptus meleagris Ehr. In aquatic plants from East Harbor, Lake Erie. 
39. Amphileptus margaritifer Ehr. In aquatic vegetation from Put-in Bay Harbor aud East 
Harbor, Lake Erie. 
40. Lionotus fasciola Ehr. In aquatic plants from East Harbor, Lake Erie. 
41. Loxophyllum meleagris Ehr. On Myriophyllum from East Harbor, Lake Erie. 
42. Trachelius ovum Ehr. On Utricularia from Portage River, Ohio. 
43. Dileptus anser O. F. M. On aquatic plants from Put in Bay Harbor. Lake Erie, and the swamps 
near the fish-hatchery on South Bass Island. 
44. Nassula ornata Ehr. East Harbor, Lake Erie; Portage River, Ohio; East Swamp, South Bass 
Island. 
45. Glaucoma scintillans Ehr. Common in cultures of decaying lake plants. 
46. Colpidium cucullus Schrank. Abundant in infusions of decaying Ceratophyllum from the bottom 
of Put-in Bay Harbor, Lake Erie. 
47. Paramecium caudatum Ehr. Abundant in cultures of decaying lake plants from the bottom of 
Put-in Bay Harbor, Lake Erie. See pp. 105-110 for an account of the laws of the movements 
of this animal. 
48. Urocentrum turbo O. F. M. Abundant in decaying Ceratophyllum from the bottom of Put-in 
Bay Harbor, Lake Erie; also in water from East Swamp on South Bass Island. 
49. Cyclidium glaucoma Ehr. In jar of decaying Xelumbo lutea from East Harbor, Lake Erie ; many. 
50. Spirostomum ambiguum Ehr. East Harbor. Lake Erie, and the swamps on South Bass Island. 
51. Bursaria truncatella Muller. This enormous infusorian was common in the swamp near the fish- 
hatchery on South Bass Island. 
52. Stentor caeruleus Ehr. In aquatic vegetation from East Harbor, Lake Erie, from Portage River, 
Ohio, and the swamps on South Bass Island. 
53. Stentor igneus Ehr. In Elodea from East Harbor, Lake Erie. 
54. Strombidium turbo C. and L. In decaying Nitella from East Harbor, Lake Erie. 
55. Halteria grandinella Muller. Many in Utricularia from Portage River, Ohio. 
56. Tintinnopsis cylindrica Daday. An empty shell of what appears to be this species, recently 
described by Daday, was taken in the water-bottle collection from the upper 3 feet of Lake 
Erie, 1 mile west of South Bass Island. 
* 57. Codonella cratera Leidy. In towiugs from Put-in Bay Harbor, Lake Erie. This seems to be 
the same as the European Codonella lacustris, but Leidy’s name has the priority. 
58. Holosticha mystacea Stein. In the water-bottle collection from the upper 3 feet of Lake Erie, 
1 mile west of South Bass Island. 
59. Uroleptus musculus Muller. Few in decaying Nitella from East Harbor, Lake Erie. 
60. Oxytricha fallax Stein. Common in decaying Ceratophyllum from the bottom of Put-in Bay 
Harbor, Lake Erie. 
