7 Araclin. 
Systematic — Eubypterida.’ 
2831 
Phaefonides rugulosus^^. 26 fig., Hede 
Sverigds Geol. Unders. Arsbok 11 No! 2. 
Phillipsia coUimi p. 414, coulleri p. 
447, brevicepsp. 449, proxima, robusta, p. 
451, slroudensis p. 453, superba p. 454, 
waterhousei p. 455, elongata p. 456, 
rocJchamptohensis p. 459, stanvellensis 
p. 461, morganensis p. 471, connollii 
p. 472, rouchelensis p. 473, dungogensis 
p. 474, spp. n. Carboniferous, Australia, 
grandis p. 463, woodwardi p. 465, figs., 
Mitchell Proc. Linn. Soc. N.S.W. 43. 
Placoparia Tourneminei p. 347 figs., 
Born Abh. Senckenb. Ges. 36, 
Platycorphe gen. n. type Calymene 
christyi Hall p. 394, dubius p. 395, figs., 
Foerste Ohio Nat. 19. 
Primaspis subg. n. of Acidaspis, type 
A. primordialis Barr. p. 466 fig., 
Richter Centralbl. Min. 1917. 
Proetus undulosirialus p. 386, par- 
viuscultis p. 387, determinatus, princeps, 
p. 389, collinodosns sp. n. Silurian, Ohio 
p. 390, figs., Foerste Ohio Nat. 19. — P. 
conspersus p. 143 figs., Hede Stock- 
holm Geol. Foren. Forh. 41. — P. sp. p. 
15 fig., Mansuy Mem. Scrv. Geol. Indo- 
chine 4 fasc. 3.— P. {Ghaunoproetus) 
palensis p. 118, sp. a. p. 119 {Helio- 
proetus) ehersdbrfensis p. \2\, ohlongulus 
sp. n. p. 122, (subg. ?) giimbeli p. 123, 
var, n. abruptirhachis p. 124, fran- 
conicus sp. n. p. 126, avitus sp. n. 
p. 128, Devonian, (Germany, figs., 
Richter Senckenbergiana 1. 
Pseudomonas pis subg. n. of Acidaspis, 
type A. brighii Murch. p. 466 fig., 
Richter Centralbl. Min. 1917. 
Pteroparia columbella p. 43 fig., 
Richter Senckenbergiana 1. 
Pterygometopus co7ifluens sp. n. Silu- 
rian, Ohio p. 396, achates p. 397, 
carleyi-rogersensis p. 398, figs., Foerste 
Ohio Nat. 19. 
Ptychaspis walcotti p. 22, angulata 
p. 25, spp. n. Cambrian, Tonkin, figs., 
Mansuy M6m. Serv. G6ol. Indochine 
4 fasc. 2. 
Ptychoparia (?) latei p. 382, subsdgit- 
tatus p. 383, (?) australis p. 384, ^ou>- 
chini p. 385, abroinensis sp. n. Northern 
Territory p. 385, (?) carolinensis sp. n, 
Tasmania p. 391, (?) johnstoni sp. n. 
Tasmania p. 392, tasmaniensis sp* n. 
Tasmania p. 392, Cambrian, figs., 
Etheridge Trans. R. Soc. S. Austral. 
43. — P. ? p. 18 figs., Mansuy M6m. 
Serv. G6ol. Indochine 4 fasc. 2. 
Radiaspis subg. n. of Acidaspis, type 
A. radiata Goldfuss p. 466 figs., 
Richter Centralbl. Min. 1917. 
Shumardia cf. granulosa p. 9 fig., 
Mansuy Mem. Serv. G6ol. Indochine 
4 fasc. 2. 
Sketnmatopyge gen. n. p. 114, tietzei 
sp. n. Devonian, Germany p. 115 figs., 
Richter Senckenbergiana 1. 
Stephanocare richthofeni p. 10 figs., 
Mansuy M6m. Serv. Geol. Indochine 4 
fasc. 2. ’ ' 
T rimer ocephalus grifithidts sp. n. ' 
Devonian, Gerhaany p. 137 figs., 
Richter Senckenbergiana 1. ‘ 
Trinucleus ornatus p. 4 figs., Mansuy 
M6m. Serv. Geol. Indochine 4 fasc. 3. 
Tropidowryphe bafroisi p. 26, varr. a 
and 6 p. 34, fdicostala p. 35, laiens p. 
39, memnon p. 41, heteroclyla p. 42, 
figs., Richter Senckenbergiana 1, 
Typhloproetus schindeivolji sp. n. 
Devonian, Germany p. Ill fig., Rich- 
ter t.c.. 
XIPHOSURA, ETC. 
Versluys 23. 
fEURYPTERIDA. 
Versluys 23 
Pterygotus sp. p. 27 fig., Hede 
Sveriges Geol. Unders. Arsbok 11 No. 2: 
