8 Arachn. 
[1911] 
XI. Arachnida.— Gigantostraca. 
Holub Prag Rozpr. (5esk6 Ak. Frant. 
Jos. 20 p. 10 figs. 
Ogyginae subfam. n. ( Asaphidae ) 
p. 61, Raymond Pittsburg Ann. Car- 
negie Mus. 7. 
Onchometopus simplex sp. n. Minne- 
sota, Pennsylvania, Ordovician, p. 51 
figs., Raymond & Narraway t.c. — 
O. obtusus, Raymond t.c. p. 64 figs. 
Paradoxides groom'd p. 283, davidis 
p. 285, rugulosus p. 286 figs., Cobbold 
London Q. J. Geol. Soc. 67. 
Phacopidae klassifikation, Wede- 
kind Zs. 1). geol. Ges. 63 pp. 317-336 
figs. 
Phacops pompcckji, elegant ulus, spp. 
n., Deutschl. Obersilur, Wedekind 
t.c. p. 325 figs. 
Phillipsia eichwaldi var. n. pp. 6- 
8 pi. i f. 1, derbyensis pp. 9-11 pi. i 
f. 2, griimvaldti pp. 11-13 pi. i f. 3, 
mesotuberculata pp. 13-14 pi. ii f. 4, 
Steinkohlenbassin des Donetz, Kargin 
Izv. gorn. ucilisc. 7 1. 
Pliomerops canadensis, Raymond 
Pittsburg Ann. Carnegie Mus. 7 p. 75 
figs. 
Proetus crass imarginatus, Grabau 
Michigan Geol. Biol. Surv. Pub. Geol. 
Ser. 1 p. 207 figs. 
Pterocephalus ? liches sp. n. p. 80 
pi. xiv f. 12, China, Cambrian, Wal- 
cott Smithsonian Inst. Misc. Collect. 57. 
Ptychocheilus decoratus sp. n. Unter- 
silur, Bohmen, Holub Prag Rozpr. 
(*Jesk6 Ak. Frant. Jos. 20 p. 8 fig. 
Pterygometopidella subg. n. von 
Pterygometopus fiir Phacops quadri- 
lineata Lindstr., Wedekind Zs. D. 
geol. Ges. 63 p. 324. 
Ptychoparia ( Liostracus ) pulchdla p. 
293 figs., dubia p. 295 figs., spp. n., 
Cambrian, Shropshire, Cobbold London 
Q. J. Geol. Soc. 67. — P. granosa sp. n. 
p. 77 pi. xiv f. 8, kochibei sp. n. p. 78 
pi. xiv figs. 10 10a, China, Cambrian, 
Walcott Smithsonian Inst. Misc. Col- 
lect. 57. 
Reedia gen. n. fiir Phacops bronni, 
Wedekind Zs. D. geol. Ges. 63 p. 322. 
Solenopleura chalcon sp. n. p. 83 
pi. xvi f. 5, China, Cambrian, Walcott 
Smithsonian Inst. Misc. Collect. 57. 
Sphaerocoryphe goodnovi, Raymond 
Pittsburg Ann. Carnegie Mus. 7 p. 78 
figs. 
Stephanocare ? monkei sp. n. p. 77 
pi. xiv f. 7, China, Cambrian, Walcott 
Smithsonian Inst. Misc. Collect. 57. 
Symphysurus convexus, Raymond 
Pittsburg Ann. Carnegie Mus. 7 p. 42 
figs. 
Trinudeus intermedins sp. n. Ordo- 
vician, Montgomeryshire, Wade 
London Q. J. Geol. Soc. 67 p. 449 figs. 
Vogdesia subg. n. (N ileus) type 
Isotelus ? bearsi p. 70 figs., Ordovician, 
Raymond Pittsburg Ann. Carnegie 
Mus. 7. — V. gen. n. typo Isotelus bearsi, 
Raymond Vermont Rep. Geol. 7 
p. 225. 
XIPHOSURA. 
t Xiphosura, Bather British Museum 
Guide p. 88. 
Carcinoscorpius rotundicauda New 
Zealand, Chilton Wellington Trans. 
N. Zeal. Inst. 43 p. 133. 
fEURYPTERIDA. 
Bather British Museum Guide p. 86. 
Ethologie, Dollo Bruxelles Bui. 
Soc. geol. 23 Memoires pp. 400-405 
figs. 
Amiella gen. n. ornata sp. n. p. 27 
pi. v. f. 4, British Columbia, Cambrian, 
Walcott Smithsonian Inst. Misc. Col- 
lect. 57. 
Eurypterus eriensis, Grabau Michigan 
Geol. Biol. Surv. Pub. Geol. Ser. 1 
p. 208 figs. — E. norvegicus, minutus, 
spp. n., Upper Silurian, Kristiania area, 
Norway, Kiasr Kristiania Skr. Vid. 
selsk. 1911 No. 7 pp. 14-15. 
Olyptoscorpius minutisculptus sp. n. 
Coal Measures, Scotland, Peach Glas- 
gow Trans. Geol. Soc. 13 pt. 1 p. 1 fig. 
. Limulava subord. n. p. 21, Cambrian, 
Walcott Smithsonian Inst. Misc. Col- 
lect. 57. 
Sidneyia gen. n. p. 22, inexpectans 
sp. n. p. 24 pis. ii-vii, British Columbia, 
Cambrian, Walcott t.c. 
Sidneyidae fam. n. p. 22, Cambrian, 
Walcott t.c. 
