168 



General Index 



marina (.1.), 83, 86-102; external 

 apertures of nephridia and stato- 

 cysts, 39 ; notopodial chactae, 42, 

 43,46-48; crotchets, 48-50 ; gills, 

 55, 59 ; septal pouches, 62 ; oeso- 

 phageal glands, 63 ; biarrows, 64, 

 65 ; food, 65, 98 ; castings, 65, 99 ; 

 statocysts, 67-69 ; nephridia, 71 ; 

 ova and sperms, 72 ; post-larval 

 stages, 76-79 ; relationship to 

 other species, 157-159. 



Mesnil, on Clymenides, 27, 76, 77 ; on 

 Arenicolo-Maldaniens, 27. 



Mesobranches (Latreille), 14, 24. 



Metastomial grooves of Arenicola, 38. 



Molyneux, 4. 



'■' montagui'" (^'1.), = ecaudata, 134, 

 135. 



Mouth of Arenicola, 38. 



Miiller, on classification of Avornis, 8, 

 9, 10, 15. 



Nephridia, of Arenicola, 71 ; vestigial 



in post-larval A. hrancliiaHs, 82 ; 



of B. vincenti, 153. 

 Nereideae, 13, 19. 

 Nervous system, of Arenicola, 66 ; of 



B, vincenti, 153. 

 Neuropodia, two types of, in Arenicola, 



35 ; of B. vincenU, 149. 

 "nodosa" (A.), = ecaudata, 134. 

 Nolopodia, of Arenicola, 35 ; of B. 



vincenti, 149. 

 Nuchal organ of Arenicola, 38, 39; of 



B. vincenti, 149. 



Oesophageal connectives of Arenicola, 



66. 

 Oesophageal glands, of Arenicola, 63, 



of B. vincenti, 152 ; variation in 



number of, in A. jnrtsilla, 122, in 



^'1. assiniilis, 131. 

 Oligochaeta, 17, 18, 19. 

 Opheliidae, affinities with Arenicolidae, 



160, 161, 162. 

 Ova, of Arenicola, 72; of A. cristata, 



74, 110; of B. vincenti, 153, 154. 



Pallas, 7, 8, 9, 10. 



Parapodia, 24 f.n. ^; of Arenicola, 34, 

 35, 37 ; of B. vincenti, 149. 



Pennant, 7. 



Peristomium, defined, 24 f.n. - ; of 

 Arenicola, 37, 78, 80; oi B. vin- 

 centi, 149. 



I'cysonnel, 4. 



Phanerocephala (Bcnham), 21. 



Pinna.te type of gill of Arenicola, 58-61. 

 Pit on parapodia of A. cristata and 



loveni, 35, 36. 

 Pliny, 1, 2. 

 Polvchaeta (Grube),17; classification, 



' 18-25. 

 Post -larval stages of Arenicola, 30, 



75-77 ; oi A. marina, 77-79, 100 ; 



cristata, 79 ; assiniilis var. affinis, 



80; ecaudata, 80, 81, 137 ; "6m;;- 



cldalis, 81, 82. 

 Prostomium, defined, 24 f.n. ' ; of 



Arenicola, 33, 34, 78, 80; of B. 



vincenti, 148. 

 imsilla (A.), 84, 114-123; notopodial 



chaetae, 41, 46-48; crotchets, 51, 



53 ; gills, 59 ; septal pouches 



absent, 62; oesophageal glands, 



63 ; ova, 72 ; development, 74 ; 



relationship to other species, 157- 



159. 

 Pygidium, 33 ; chaetiferous segments 



formed immediately in front of, 



37, 75. 



Quatrefages, on classification, of 

 worms, 16, of Annelides, 19, 24. 



Piapacia (Grube), 18, 24. 



Rav,' on classification of Insects, 4, 5. 



Redi, 4. 



Reproductive organs, of Arenicola, 72, 

 73; of JB. vincenti, 153. 



Rondeletius, 3. 



Rostrum of crotchet, of Arenicola, 48- 

 • 54 ; of B. vincenti, 151. 



Relationships, of species of Arenicola, 

 156-159 ; of Arenicolidae, 159- 

 162; of B. vincenti with Areni- 

 cola, 155, 156, 159. 



Sageblatter. 35 f.n., 45, 47, 48. 



Savigny, on classification of Annelids, 

 12, 13, 15, 24; on Telethusae, 13, 

 26. 



Scalibregmidae, affinities with Areni- 

 colidae, 159, 160, 161, 162. 



Scoleciformia (Benham), 24. 



Seba, 7. 



Sedentaires (Lamarck), Sedentaria, 12, 

 16, 19, 20, 21, 24. 



Segments, number and annulation of, 

 in Arenicola, 36 ; in B. vincenti, 

 149. 



Sense-organs of Arenicola, 66-70. 



