The British Woodlice / Being a Monograph of the Terrestrial Isopod Crustacea Occurring in the British Islands

by Wilfred Mark Webb; Charles Sillem

• Abdomen, 2, [2]
• Aegidae, 2
• Air cavities, in abdominal appendages, 31
• Air tubes, 1, 6, 31, 33, 34, 35, 36, 37, 39
• albidus, Trichoniscoides, description of, 25
• Alcohol, 16
• Antennae, large, 2, [3]
  • smaller, 2, [3]
• Alimentary canal, 6, [7]
• Ants, 31
  • wood, 14
• Anus, 31, inset facing [10]
  
• Appendages, 2
  
  • abdominal, 5, [6]
    
• Archaeoniscus brodiei, 2
  
• Armadillidæ, 17
  • characters of, 18, 40
• Armadillidium, 15, 38
  • commutatum, 41
  • depressum, 44
    • description of, 43
    • flagellum of, [43]
• Armadillidium nasatum, 41, 44, Plate xxii.
  • • description of, 40
    • flagellum of, [40]
• Armadillidium pictum, 42
  • pulchellum, 43, 44, 45, Plate xxxiv.
    • description of, 42
    • flagellum of, [42]
• Armadillidium vulgare, 15, 40, 43, 44, Plate xxiii.
  • • description of, 41
    • flagellum of, [41]
    • moulting of, 12, 13
  • zenckeri, 41
• Armadillo ater, 41
  • maculatus, 41, 42
  • pillularis, 41
  • pustulosus, 41
  • trivialis, 41
  • variegatus, 41
  • vulgaris, 41
• Arthropoda, 1
• Arteries, 7, [7]
• asellus, Oniscus, description of, 27
• Avebury, Lord, 31

• Baden, Miocene of, 2
• Bate and Westwood, 17, 19, 30
• Blastoderm, 10
• Body cavity, 11, inset facing [10]
• Brady, Professor C. S., 45
• Branchial nephrocytes, 8
• British Association, 19
• Brood pouch, 4, [5], 9
• Budde-Lund, 28

• Calman, Dr., 45
• Carpenter, 15
• Cells, nucleated, 10, inset facing [10]
• Cephalic nephrocytes, 8
• Cheslip, 15
• Chiselbob, 15
• Church louse, 16
• Cicatricula, 10, inset facing [10]
• cingendus, Metoponorthus, description of, 38
• Circulatory system, 6, 7
• Classification, 17
• Coal measures, 1
• Collection of Woodlice, methods of, 16
• Commissures, 8, [8]
• Conclusion, 43
• convexus, Cylisticus, description of,39
• couchii, Philoscia, description of, 30
• Crabs, land, 1
• Crustacea, 1
• Cud worm, 15, 16
• Cylisticus, 40
  • characters of, 17, 18, 38
• Cylisticus convexus, 44, Plate xxi.
  • • description of, 39
    • flagellum of, [39]
  • laevis, 35, 39
• Cymothoa oceanica, 20

• danicus, Haplophthalmus, description of, 27
• depressum, Armadillidium, description of, 43
• Development, 9
• Digestive glands, 6, [7]
• dilatatus, Porcellio, description of, 33
• Distribution of species, 43
• Dollfus, Adrian, 45

• Economic considerations, 12
• Egg, 9, 10, [10], [11], inset facing [10]
  • segmentation of, 11, inset facing [10]
• Embryo, 10, [11]
• Endoderm, 10, inset facing [10]
• Essex, Woodlice recorded from, 44
• Excretory organs, 7
• Exhibition of species new to Britain, 45
• Exmoor, woodlice and ants on, 14
• External structure, 2

• Flagellum, 3, [3]
• Food, 13, 14

• Ganglia, cerebral 8
• Geological history, 1
• Genera, 17
• Gill, 5, [5]
• Gills, 7, [6]
• Glomeris marginata, 15
• Grammar sows, 16
• Growth, time required for, 12
• Gullet, 6
• Gut, fore, inset facing [10]
  • mid, inset facing [10]

• Habits, 12
• Hall, Miss Kate M., 31
• Haplophthalmus, 22
  • characters of, 17, 18, 26
  • danicus, 44, Plate viii.
    • description of, 27
    • flagellum of, [27]
  • elegans, 26
  • mengii, 44, 45, Plate vii.
    • description of, 26
    • flagellum of, [26]
• Head, 2, [2], [3]
• Heart, 6, 7, [7], 11
• Herefordshire, Old Red Sandstone, 1
• History, geological, 1
• hoffmannseggii, Platyarthrus, description of, 30
• Hog-louse, 15
• Hogs, little grey, 16
• Hydro-cyanic acid gas for destroying woodlice, 14
• hypnorum, Ligidium, description of, 21

• Insects, 1
• Intestine, 6, [7]
  • formation of, in embryo, 10, 11
• Isle of Wight, Oligocene of, 2, Oolite of, 2
• Isopoda, 1, 19
• Itea crassicornis, 30
  • laevis, 22
  • mengii, 26
  • rosea, 24
  • riparia, 22
  • vivida, 23

• Jurassic, Upper, 2