vill CONTENTS. 
PAGE 
Siphonostoma, Synonyms and Character . . . 240 
Peltocephala, Character . . . . 241 
Argulidae, Bibliographical History .... 242 
„ Anatomy and Physiology . . . 246 
Caligida , Bibliographical History . . . .257 
,, Anatomy and Physiology . . . 260 
Pandaridce , Synonyms and Character . . . .281 
Dinemoura, Bibliographical History . . . .282 
„ Anatomy . . . . .283 
Pandarus, Bibliographical History . . . .286 
„ Anatomy ..... 287 
Cecropida , Synonyms and Character . . . .289 
Cecrops, Bibliographical History . . . . ib. 
„ Anatomy and Physiology . . . 290 
Lcemargus , Bibliographical History . . . .293 
„ Anatomy, &c. . . . . 294 
Pachycephala , Character . . . . .295 
Anthosomada, Synonyms and Character . . . . 296 
Anthosoma, Bibliographical History . . . . ib. 
„ Anatomy and Physiology . . . . 297 
Ergasilidae, Synonyms and Character .... 299 
Nicothoe, Bibliographical History . . . 300 
„ Anatomy and Physiology .... 301 
Lerneada, Bibliographical History and Systematic Arrangement . . 307 
„ Anatomy and Physiology . . . .316 
Anchor astomacea, Character . . . . . 323 
Chondracanthida , Bibliographical History . . . ib. 
„ Anatomy, &c. . . . . . 324 
Anchoracarpacea, Character . . . . .331 
Lerneopodidte , Character, &c. . . . . 332 
Anchor ellada. Character . . . . .336 
Anchorella , Character, &c. . . . . ib. 
Anchoraceracea , Character . . . . .338 
Penelladce, Character . . . . . 339 
Lerneonema, History . . . . . ib. 
Lerneoceradce, Character . . . . 342 
Lerneocera, Character, &c. . . . . ib. 
Lernea „ . . . . 344 
Appendix . . . . . . 346 
Index ...... 349 
Description of Plates . . . . 355 
Erratum.— F or Cypridse read Cyprididfe, p. 139 et passim. 
