166 



General Index 



Belon, on Lumbricus marinus, 2, 3, 

 30, 90. 



Benham, on classification of Poly- 

 chaeta, 21, 24. 



Bionomics of A. marina, 96, cristata, 

 108, jwsilla, 121, ccaudata, 135, 

 branchialis, 144. 



Blainville, on Setipodes, 14 ; on Cheto- 

 podes, 1,5 ; on relations of Tele- 

 thuses, 15, 159. 



Blumenbach, on difference between 

 Vermes and " Insecta," 9. 



Bonannus, 4. 



Bonnet, on Naids and earthworms, 5. 



Bosc, 11. 



Brain of Arenicola, 66. 



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

 prostomium, 34 ; iiotopodial 

 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 ecaudata, 85 ; re- 

 lationship to other species, 156- 

 158. 



Branchiomaldane, 147 ; distinguished 

 from Arenicola, 28, 155, 156 ; 

 systematic position, 155, 156, 158, 

 159. 



Breeding seasons of A. marina, 100, 

 cristata, 110, pusilla, 122, assimi- 

 lis, 131, ecaudata, 136, 137, bran- 

 chialis, 145, B. vincenti, 154. 



Bruguiere, 9. 



Buccal mass of Arenicola, 63. 



Burrows and burrowing, A. marina, 

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

 135, branchialis, 135, 144. 



Bushy (fruticose) type of gill of Areni- 

 cola, 58-60. 



Capitellidae, contrasted with Areni- 



colidae, 160. 



carbonarius (Arenicolites), 97 f.n. l . 

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



108, assimilis, 130, ecaudata and 



branchialis, 135. 

 Caudal processes of A. cristata, 109, 



110. 

 Caudate species of Arenicola, 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 Arenicola. 35, notopodial, 39- 



48, neuropodial, 48-55 ; of B. vin- 

 centi, 149-152. 



Chaetopoda, 15, historical account of, 

 1-25. 



Chetopodes (Blainville), 15. 



Chlorhaemidae, contrasted with Arcni- 

 colidae, 160. 



Cirratulidae, contrasted with Areni- 

 colidae, 160. 



Classification of worms, 3-11 ; of An r 

 nelids, 11-20; of Polychaeta, 20- 

 25. 



Cleansing of the littoral by A. marina, 

 99. 



Clymenidcs, 27, 29, 32, 75-77. 



Coelom and coelomic septa of Areni- 

 cola, 61, 62 ; of B. vincenti, 152. 



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

 cristata, 109, glacialis, 113, pu- 

 silla, 121, 122, assimilis, 130, 

 ecaudata, 136, 137, branchialis, 

 145, B. vincenti, 152. 



Colmnna, 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 Arenicola, 

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

 152; notopodial of young Areni- 

 cola, 39-41, of young B. 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, 154, 155. 

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

 Dioscorides (Pedacius), 1. 

 Distribution of A. marina, 101, 1C2, 



loveni, 105, cristata, 110, 111, 



pusilla, 123, assimilis and var. 



affinis, 131, ccaudata, 137, 138, 



branchialis, 146. 



Dorsibranches (Cuvier), 12, 23, 24. 

 " dorvilliana " (A.), 134. 

 Drilomorpha (Hatschek), 23, 24. 



