76 PROF. G. 0. SARS ON THE COPEPODA [Jan. 12 
PratEe XVIIT. 
Cyclops semiserratus G. O. Sars. 
Fig. 157. Adult ovigerous female, dorsal view. 
158. Anterior antenna. 
159. Posterior antenna. 
160. Mandible with rudimentary palp. 
161. Mavwilla. 
162. Anterior maxilliped. 
163. Posterior maxilliped. 
164. Leg of 1st pair. 
165. Leg of 8rd pair. 
166. Leg of 4th pair. 
167. Lateral part of last pedigerous segment, with adjoining part of genital 
segment, exhibiting the corresponding leg and seta, ventral view. 
168. Leg of last pair isolated and more highly magnified. 
169. Extremity of urosome, with the caudal rami, dorsal view. 
PrarEe XIX. 
Cyclops levimargo G. O. Sars. 
Fig. 170. Adult ovigerous female, dorsal view. 
171. Anterior antenna. 
172. Posterior antenna. 
173. Leg of 4th pair. 
174. Leg of last pair. 
175. Right caudal ramus, with adjoining part of urosome, dorsal view. 
Cyclops angustus G. O. Sars. 
Fig. 176. Adult ovigerous female, dorsal view. 
177. Outer part of an anterior antenna. 
178. Posterior antenna. 
179. Leg of last pair. 
180. Right caudal ramus, with adjoining part of urosome, dorsal view. 
Cyclops rarispinus G. O. Sars. 
Fig. 181. Adult ovigerous female, dorsal view. 
182. Left caudal ramus, with adjoining part of urosome. 
PratE XX. 
Cyclops agiloides G. O. Sars. 
Fig. 183. Adult female, dorsal view. 
184. Outer part of an anterior antenna. 
185. Posterior antenna. 
186. Leg of 4th pair. 
187. Leg of last pair. 
188. Lett caudal ramus, with adjoining part of urosome, dorsal view. 
Cyclops euacanthus G. O. Sars. 
Fig. 189. Adult ovigerous female, dorsal view. 
190. Extremity of an anterior antenna. 
191. Leg of 4th pair. 
192. Right caudal ramus, with adjoining part of last segment, dorsal view. 
Cyclops ciliatus G. O. Sars. 
Fig. 193. Adult female, dorsal view. 
194. Left caudal ramus, with adjoining part of urosome, dorsal view. 
