General Index 



107 



Earthworms, 1, 2, 3, 4, 5. 



ccaudata (A.), 31, 32, 85, 132-138; 



crotchets in notopodia of post- 

 larva, 40 ; notopodial chaetae, 42, 

 43, 47, 48 ; neuropodial crotchets, 

 53, 56, 57 ; gills, 55, 56, 61 ; septal 

 pouches, 62 ; oesophageal glands, 

 63; statocysts, 69; ova, 72; go- 

 nads, 72, 73; post-larval stages, 

 80, 81 ; relationship to other 

 species, 156, 157, 158. 



Ecaudate species of Arenicola, 31, 32, 

 84, 85 ; prostomium, 34, 85 f.n. 1 ; 

 gills, 61 ; burrows, 65, 66 ; brain, 

 66 ; nephridia, 71. 



Egg-masses, of A. cristata, 74, 110. 



Eggs, vide ova. 



Ehlers, on classification of Chaeto- 

 poda, 13, 19. 



Ellis, 4. 



Errantes (Audouin and Edwards), 

 Errantia, 16, 19, 20, 21, 24. 



Estuarine conditions, A. marina under, 

 98. 



Eyes, of Arenicola, 70, 74, 78 ; of 

 B. vincenti, 149, 153. 



Fabricius, 8, 91. 



Fauvel, on union of Branchiomaldane 

 with Arenicola, 148, 155. 



Food of A. marina, 65, 98. 



Forms (two) of A. marina, 97. 



Fruticose (bushy) type of gill of Areni- 

 cola, 58-60. 



Funnels of nephridia, of Arenicola, 71 ; 

 vestigial in post-larval A. bran- 

 chialis, 82. 



Gesner, 3. 



Gills, presence of, as character of 

 group of worms, 10-14, 23 ; of 

 Arenicola, 55-61, pinnate and 

 fruticose, 58 ; of post-larval A. 

 marina, 55, 78 ; cristata, 55, 79, 

 ecaudata, 55, 81 ; of B. vin- 

 centi, 152. 



glacialis (A.), 84, 111-114; noto- 

 podial chaetae, 45, 48 ; crotchets, 

 51, 52 ; gills, 60 ; septal pouches, 

 62 ; oesophageal glands, 63 ; stato- 

 cysts, 67, 69 ; nephridia, 71 ; rela- 

 tionship to other species, 157, 158. 



Gmelin, Systema Naturae, 7. 



Gonads, of Arenicola, 72, 73; of B. 

 vincenti, 153. 



Grooves, ventral and metastomial, 38. 



Grube, on classification of Annelids, 

 17, 24 ; on Telethusa, 159. 



Habitat of A. marina, adult, 96-98, 

 post-larval, 77, 78 ; loveni, 105 ; 

 cristata, 108 ; pusilla, 121 ; as- 

 similis, 130 ; ecaudata, adult, 135, 

 post-larval, 81 ; branchialis, adult, 

 144, post-larval, 81 ; B. vincenti, 

 152. 



Hatschek, on classification of Poly- 

 chaeta, 22, 24. 



Historical account of, Chaetopoda, 

 especially Polychaeta, 1-24 ; 

 Arenicolidae, 26-28; Arenicola, 

 30-32; marina, 90-92; loveni, 

 103-105 ; cristata, 107 ; glacialis, 

 112, 113 ; pusilla, 116-119 ; as- 

 similis, 126, 127 ; ecaudata, 133- 

 135; branchialis, 139-141; B. 

 vincenti, 148. 



Inter-relationships of members of 



family Arenicolidae, 156-159. 

 Isidorus, 2. 



Johnston, on classification of worms, 

 16, 18. 



Key, to genera of Arenicolidae, 28 ; to 

 caudate species of Arenicola, 83, 

 84 ; to ecaudate species, 85. 



Lamarck, on Annelides, 11 ; on classi- 

 fication of worms, 10, 11, of Anne- 

 lides, 12, 24 ; on Arenicola, 31, 91. 



Laminarian form of A. marina, 97. 



Larvae of A. pusilla and cristata, 74, 

 75 ; their chaetae, 40, 41, 43. 



Latreille, 13, 14. 



Leuckart, B., 16. 



Levinsen, 20, 159. 



Limivora (Grube), 18, 24. 



Linnaeus, Systema Naturae, 4, 5, 6. 



Littoral, form of A. marina, 97 ; 

 cleansing of, by Arenicola, 99. 



loveni (A.), 83, 103-105; notopodial 

 chaetae, 44, 45, 48 ; crotchets, 53, 

 56 ; gills, 59 ; septal pouches, 62 ; 

 oesophageal glands, 63 ; stato- 

 cysts, 69 ; relationship to other 

 species, 157, 158. 



Liitken, on Pteroscolex, 31, 107. 



Maldanidae, related to Arenicolidae, 



27, 28, 159, 161, 162. 

 Malmgren, 20. 



