^ J‘ . ** £ 73 ? y~ //3 nj*~h tjflf* ^ fa / / ' 
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j^e. ZA'V/^ 14*1, f ^ / uu 7W?A/Su/fc, 
J" p-e~1r+0~f ±U^JjuI t ^r^oi_^*w-^. CU~-J, /£ f3^ a } ^- //s* 7 
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(f>«^. . tioo ^ , / £&KThf&iU *. s.^5 -■ 
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JsAc^i^l/-Os^c, 7 3 , P S,/>^ >/, (4 «s^- £T fafaj -' 
Xt Mondspis gen. n. p. 62, giganteus 
p. 62 figs., acuticornis, borealis p. 63 
figs., homsundi, minutus p. 64 figs; 
spp. n. Devonian Spitsbergen, Heintz 
/Y.s/> ■ ^29.5 S./.|i 
f Phlyctaenaspis sutes-, Heintz ~.c. rfC * ^ 
p. 66. 
f Huginaspis gen. n., vogh‘ sp. n. 
Devonian Spitzbergen, Heintz t.c. p. 
68 figs. 0/1 <r /-{.irr2>c,qer/ a./, a. 9&- 
is. f (‘ C 
4 B 2 WS teSi Sf-** v 3 
£ P '« V brevis > 
ng s -> spp, n, Devonian Spitzbergen 
.P,sIo 22. . 
\ fArctaspis gen" n n "hi 
t l T ip -i 6 h^7Lt7i 
figs., Aoegri p . 56 fW. STm „ tw£.„ 
~s:s7.°t2:«,f,:^ s -ps :;,7 'c4As^. 
f Mediaspis probleniaticus sp. n. 
Devonian Spitzbergen, Heintz t.c-, 
p. 69 figs. /V ^ 
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j- 
V 
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. . ' :%itzberg P e„,H EI ? T itT “• DeTOnianft ' ‘ ! 
^ " '~‘ilnrv,\l P 2 gen A n ' brevicornis, rotun- .;' 
Acanthaspis arcticus sp. n. Devonian P £ ■*%.^ riatas pis gen. n, brevicornis, rotun- 
Spitzbergen, Heintz t.c. p. 71 figsP . 4 ®*comw spp, n, Devonian Spitzbergen 
, r . o/>. /?%« a/.yfY-t,}- Heintz t.c. p. 60 fio-s \ 
^Lunaspis'ienrn.Hwoldi sp. nf ' ^ Wfl gs- 
Devonian Germany, Broili SitzBer. OT , '^ Le ^ ntas P ts gen. n. p. 61, reticornis 
bayer. Akad. Wiss. 1 p. pis. i, ii g;“; T ^® v ® nian Spitzbergen p. 62 figs., 
figs. 1, 2.- <l<£ ° 
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. z/l-3,f>A 2(K r fa. 3. 
>.rs> 
Heintz t.c. 
~fSvalbardaspis ^ rnontanus ap . u> 
Devonian U.S.A., Bryant Proc. Amer! 
Phil. Soc. Philad. 71 p. 249 pi. x fig. 1. 
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Heintz), .Stkanl, Folia zo'ol. hvdrobiol 
Piga 4 p. 196. 
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monaspis Z/O/n/^ ( /ov* CCl^ 
hydrobiol a?« 4^ife . 
^c# ~~S'7 *9- ’<• X -** liT?’ 7 
p- 19( 5. . : .. 
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