320 THE FRESH-WATEE LOCHS OF SCOTLAND 
species of Rotifera previously undescribed were found in the Scottish 
lochs. These are Microdina paradoxa^ Philodina flaviceps, P. humerosa^ 
P. hamata^ P. laticoi^nis, Callidina angiisticollis, C. longiceps^ 
C. annulata^ C. crucicornis^ C. armata^ and Notommata pumila. 
Rhizota. — 172. Floscidaria campanidata^ Dobie. 
ITS. F. orncda, Ehr. 
174. F. pelagica^ Houss. Frequent. 
175. F. 7mdab?lis, Bolton. Rare. 
176. Stephanoceros ekhhorni^ Ehr. Rare. 
177. (Ec'istes crystalVinus^ Ehr. 
178. (F. bracMatus^ Huds. Frequent. 
179. serpentinus^ Gosse. 
180. Pseud(£cistes rotifer^ Stenroos. Rare. 
181. Co7iochilus volvox, 'Ehr. Common. 
18J2. C. unicornis, Rouss. Common. 
Bdelloida. — 183. Min-odina paradoxa, Murray. Frequent. 
184. Philodina roseola, Ehr. 
185. P. citrina, Ehr. 
186. P. erythropJdhahna, Ehr. 
187. P. rnegalotrocha, Ehr. Frequent. 
188. P. hrevipes, Murray. Frequent. 
189. P. flaviceps, Bryce. Common. 
190. P. iiemoralis, Bryce. 
191. P. deciirvicor7iis. Murray. 
192. P. acidico?mis, Murray. Frequent. 
193. P. o'ltgosa, Bryce. 
194. P. plena (Bryce). 
195. P. aljyiimi{YAu:.). 
196. P. hrycei (Weber). 
197. P. humerosa, Murray. Rare. 
198. P. liamata, Murray. Rare. 
199. P. laticeps, Murray. Frequent. 
200. P. laticornis, Murray. Rare. 
201. P. macrostyla, Ehr. Common. 
202. P. aculeata, Ehr. 
203. Callidina he2'odo7ita (Berg.). Rare. 
204. C. roeperi (Milne). Rare. 
205. C. angusticollis, Murray. Common. 
206. C. pusilla, Bryce. Rare. 
207. C. longiceps, Murray. Rare. 
208. C. leitgebii, Zel. 
209. C annulata, Murray. 
210. C. aspera, Bryce. 
