Vil. 
CONTENTS. 
Introduction ae oc aD ae 
Geological history ays os ve 
External structure and appendages oe ac 
Alimentary canal ie ate a6 
Circulatory system “is oe ne 
Excretory system oe on on 
Nervous system ote oe a0 
Reproductive organs oe oe aie 
Development .. Ao sis oe 
Habits and Economic considerations .. 0 
Local names ae ae Be SiG 
Methods of collections and preservation... At 
Classification Hs as Ae Se 
Scheme of classification and synopsis of generic characters 
British Species .. Bs At ae 
Section—Ligie ., ate ae ars 
Family—Ligide.. ve aie ote 
Genus—Ligia Fabricius bie a's an 
Ligia oceanica Linzé BA a5 ae 
Genus—-Ligidium Brandt .. sie AG 
Ligidium hypnorum Cuvier .. 6 re 
Family—Trichoniscidze S06 o° o. 
Genus—Trichoniseus Brandt... a6 5G 
Trichoniscus pusitlus Brandt Bc vs 
Trichoniscus vividus Koch .. BE aS 
Trichontscus roseus Koch .. ae aie 
Genus—Trichoniscoides, Sars 66 ve 
Trichontscoides albtdus Budde-Lund .. is 
Genus—Haplophthalmus Schobl AG an 
Haplopthatmus mengit Zaddach KG ai 
Haplophthalmus danicus Budde-Lund ,, we 
Family—Oniscidee ie ote SG 
Genus—Oniscus Linné sie ore io 
Oniscus asellus Linné ae no ars 
Genus—Philoscia Latreille .. ote as 
Lhiloscia muscorum Scopoli py a 
Philoscta couchit Kinahan .. Me ne 
Genus—Platyarthrus Brandt ve we 
Platyarthrus hoffmannseggti Brandt .. ae 
Genus—Porcellio Latreille ibid iu 
Porcellio scaber Latreille .. ee a 
Porcellvo pictus Branat and Ratzeburg .. ete 
Porcellio dtlatatus Brandt .. ae sae 
Porcelito rathket Brandt we 50 AG 
vb Oo 
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bo W Ge Ho Ww Lo 
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