166 



General Index 



Belon, on Lumbricus marinus, 2, 3, 

 30, 90. 



Benham, on classification of Poly- 

 chaeta, 21, 24. 



Bionomics of A. tnarina, 96, cristata, 

 108, imsilla, 121, ccaudata, 135, 

 hrancliialis, 144. 



Blainville, on Setipodes, 14 ; on Cheto- 

 podes, 15 ; on relations of Tele- 

 thnses, 15, 159. 



Bliunenbach, on difference between 

 Vermes and " Insecta," 9. 



Bonannus, 4. 



Bonnet, on Naids and earthworms, 5. 



Bosc, 11. 



Brain of Arcnirola, 66. 



branchialis (A.), 31, 32, 85, 138-147; 

 prostomium, 34 ; notopodial 

 chaetae, 47, 48 ; crotchets, 53, 57 ; 

 gills, 61 ; septal pouches, 62 ; 

 oesophageal glands, 63 ; stato- 

 cysts, 69, 70 ; gonads, ova, 72 ; 

 post-larval stages, 81, 82 ; distin- 

 guished from ccaudata, 85; re- 

 lationship to other species, 156- 

 158. 



B rarichiomaldane, 147 ; distinguished 

 from Arcnicola, 28, 155, 156 ; 

 systematic position, 155, 156, 158, 

 159. 



Breeding seasons of A. viarina, 100, 

 cristata, WO, pusilla, 122, assimi- 

 lis, 131, ccaudata, 136, 137, bran- 

 cJdalis, 145, B. vincenti, 154. 



Bruguiere, 9. 



Buccal mass of Aroiiada, 63. 



Burrows and burrowing, A. viarina, 

 63-65, 97, cristata, 108, ecaudata, 

 135, branchialis, 135, 144. 



Bushy (fruticose) tvpe of gill of Arcrri- 

 cola, 58-60. 



Capitellidae, contrasted with Areni- 



colidae, 160, 

 carbnnarixs (Arenicolites), 97 f.n. '. 

 Castings of A. marina, 65, 99, cristata, 



108, assimilis, 130, ccaudata and 



branchialis, 135. 

 Caudal processes of A. cristata, 109, 



110. 

 Caudate species of Arcnicola, 83, 84, 



prostomium, 33, 34 ; gills, 58 ; 



brain, 66 ; nephridia, 71 ; gonads 



and ova, 72. 

 Chaetae, presence of, as character of 



group of worms, 9, 10, 13, 14, 15 ; 



of Arcnicola. 35, notopodial, 39- 



48, ueuropodial, 48-55 ; oi B. vi)i- 

 ccnti, 149-152. 



Chaetopoda, 15, historical account of, 

 1-25. 



Chetopodes (Blainville), 15. 



Chlorhaemidae, contrasted with Areni- 

 colidae, 160. 



Cirratulidae, contrasted with Arcni- 

 colidae, 160. 



Classification of worms, 3-11 ; of An- 

 nelids, 11-20; of Polychaeta, 20- 

 25. 



Cleansing of the littoral by A. marina, 

 99. 



Chjmc'nidcs, 27, 29, 32, 75-77. 



Coelom and coelomic septa of J^yvn'- 

 cola, 61, 62; of B. vincenti, 1.52. 



Colours of A. marina, 101, lovcni, 105, 

 cristata., 109, glacialis, 113, int- 

 silla, 121, 122, assimilis, 130, 

 ccaudata, 136, 137, hranchialis, 

 145, B. vincenti, 1.52. 



Columna, 4. 



cristata {A.), 84, 105-111, crotchets 

 in notopodia of larva and post- 

 larva, 39-41 ; notopodial chaetae, 

 41-43, 45, 48; neuropodial crot- 

 chets, 51-54 ; gills, 55, 58, 61 ; 

 septal pouches, 62 ; oesophageal 

 glands, 63 ; statocysts, 69, 70 ; 

 nephridia, 71 ; ova, 72 ; egg- 

 masses, 74, 110 ; development, 74, 

 75 ; post-larval stages, 79 ; rela- 

 tionship to other species, 157, 158. 



Crotchets, neuropodial, of Arcnicola, 

 35, 48-55, of B. vincenti, 151, 

 152; notopodial of young Arcni- 

 cola, 39-41, of young 5. vincenti, 

 151-152. 



CryptocephaJa (Benham), 21, 22. 



Cuvier, on classification, of worms, 9 

 10, 11, of Annelids, 12, 15, 23 

 on Arenicola, 92. 



Development of Arenicola, 73-75 ; of 



B. vincenti, 1.54, 155. 

 didyma {Arenicolites) 97, f.n. '. 

 Dioscorides (Pedacius), 1. 

 Distribution of A. marina, 101, 102, 



lovcni, 105, cristata, 110, 111, 



pnsilla, 123, assimilis and var. 



affinis, 131, ccaudata, 137, 138, 



branchialis, 146. 

 Dorsibranches (Cuvier), 12, 23, 24. 

 " dorvilliana " (A.), 134. 

 Drilomorpha (Hatschek), 23, 24, 



