Die Apterygotenfauna Finland»: 



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Podura aquatica 



Achorutcs nnnatus 



A. sigillattis) 



A. viaticm 



A mmiubrialis . 



var. assimilis 



A. sahlbergi . . 



(A. purpurascens f. prhicipalis) 



var. litoraUs 



(A. socialis) 



A. parindus 



Xeni/llo humicoln . 



(IL. mucronala) 



X. maritima 



(X. hrcvicauda) 



(Pseudachorutes dubiusj 



(P. subcrassus ' 



{P. cortificolaj 



Friesea mirabilis 



Xenyllodes armalus 



Anurida lullbcrgi 



Neanura muscurum 



( Onychiurus armatus 



(O. ajfinis) 



Anurophorus laricis 



Folsomia fimdaria 



Proisotonia crassicauda . . 



P. schiUti 



P. agilis 



P. besselsi 



(P. mimilaj 



(Isotonia lendia) 



(I. sensibilisj 



Z. olivacea 



(I. grisescens) 



var. neglecta 



f J. ligrina) 



(I. violacea) 



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N:n 7- 



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