8 £rachn. 
[1912] 
XI. Arachnida.— Gigantostraca. 
Pagodia seelyi sp. n, p. 269 pi. xliv 
ff. 12-I4a New York, Cambrian, 
Walcott Smithsonian Inst. Misc. Collect. 
57. 
Parabolinella andinq sp. n. Camb.- 
Silur, Bolivia, Steinmann & Hoek N. 
Jahrb. Min. 34 p. 214 figs. 
Parabolinopsia gen. n. mariana sp. n. 
CJntersilur, Bolivia, Steinmann & Hoek 
t.c. p. 226 figs. 
Paradechenella subg. n. fur Deche- 
nella tschernyacliewi , Richter Abb. 
Senckenb. Ges. 31 p. 319. 
Phacopa def. of subg. Trimerocephalua 
and potes on spp., Born N. Jahrb. Min. 
34 p. 615. — P. sp. Devon yon Mugodjary, 
Naohimson Tomsk Izv. technol. Inst. 24 
4 p. 28 pi. iii f. 21. — P. Itayseri, 
Herrmann Wiesbaden Jahrb. Ver. Natk. 
64 p. 29 figs. 
Phillipaia cf. eichwaldi Carbonif. 
Spitzbergen, Holtedahl Kristiania Skr. 
Vid. Selsk. 1911 No. 10 p. 38 fig.— 
P. aff. middlemassi Anthracolithic, Shan 
States, Diener Pal. Ind. Calcutta n. ser. 
3 Mem. 4 p. 61 fig. 
Pliomera sp., Steinmann & Hoek N. 
Jahrb. Min. 34 p. 223 fig. 
Proctua aekenaia sp. n. Oberdevon, 
Oberharz, Born N. Jahrb. Min. 34 p. 
619 fig. — P. chitralenaia sp. n. 
Devonian, Chitral, Reed Rec. Geol. 
Surv. Calcutta 41 p. 88 figs.— P. aff. 
dormitana, p. 32, P. sp. p. 33, figs., 
Herrmann Wiesbaden Jahrb. Ver. Natk. 
04. 
Ptucliaapia 8pecioau8 t Walcott 
Smithsonian Inst. Misc. Collect. 57 
pi. xliii ff. 16-19. 
Ptychoparia mimita p. 267 pi. xliii ff' 
20-24, inatheri sp. n. p. 268 pi. xliv ff. 
15-17, New York, Cambrian, Walcott 
t.c. — P. thielei p. 316, minima p. 318, spp. 
n. Cambrian, Victoria, figs., Chapman 
Melbourne Proc. R. Soc. Viet. 23. 
Sehizoproetu8 gen. n. fiir Proetu8 
celechowtcensia, Richter Abh. Senckenb. 
Ges. 31 p. 331. 
Tontoia gen. n. ( Hypoparia ) p. 198, 
kuxiguutenaia sp. n. p. 199 figs. Middle 
Cambrian British Columbia, Walcott 
Smithsonian Inst. Misc. Collect. 57. 
Trimerocephalua micromma, Herrmann 
Wiesbaden Jahrb. Ver. Natk. 64 p. 27 
figs. 
Trinucleua spp. structure, Ref.d Geol. 
Mag. London Dec. 5 9 pp. 346 & 385 
figs. — T. kmiegeri sp. n. Untersilur, 
Bolivia, Steinmann & Hoek N. Jahrb. 
Min. 34 p. 236 figs. 
XIPHOSURA, Eto. 
t Aglaapina new Order for fara. 
Aglaapidae , Walcott Smithsonian Inst. 
Misc. Collect. 57 p. 198. 
• \Emeraldella gen. n. ( Aglaapidae ) 
brocki p. 203, micrura p. 205. figs., 
spp. n. Middle Cambrian British 
Columbia, Walcott t.c. 
f Uabclia gen. u. ( Aglaapidae ) p. 201, 
optata sp. n. Middle Cambrian British 
Columbia p. 202 fig., Walcott t.c. 
Limulua ovarian egg, Munson Jena 
Verhandl. viii Internat. Zool. Kongr. 
Graz pp. 369-389 3 pis. 
f Molaria gen. n. ( Aglaapidae ) spinifera 
sp. n. Middle Cambrian British Columbia, 
Walcott Smithsonian Inst. Misc. Collect. 
57 p. 200 figs. 
| Preatwichia sp. Coal-measures, 
Derbyshire, Moysey Geol. Mag. Dec. 5 
8 p. 498 fig. 2. 
Tachypleus giga8 at surface of sea,- 
Sewell Rec. Ind. Mus. 7 p. 87. 
fEURYPTERIDA. 
Middle Cambrian, County Wicklow, 
Ryan & Halissy Dublin Proc. R. Irish 
Acad. 29B p. 248 fig. — Carboniferous, 
Nebraska, Barbour Science (N. Ser.) 36 
pp. 642-643. 
Doliclioptei'U8 frankf ortenaia p. 268 
pi. lxxxiii ff. 9-14, latifrona p. 269 
pi. lxxxiii ff. 15-16, brevicepa p. 414 
f. 98, New York, Ordovician, ailuriceps 
p. 273 pi. xxvi f. 3, teatudineua p. 274 
pi. lvii f. 2, atylonuroidea p. 276 pi. xlvi 
ff. 9-14, New York, Silurian, spp. n., 
Clarke & Ruedemann N.Y. St. Mus. 
Mem. 14. 
Drepanopterus longicaudatua sp. n. 
Indiana, Silurian p. 316 fig., Clarke & 
Ruedemann t.c. 
Eurypterua megalops p. 191 pi. lxxxiii 
f. 7, priatinus p. 207 pi. lxxxiii ff. 5 6, 
atellatu8 p. 211 pi. lxxxiii ff. 1-4, 
chadwicki p. 415 f. 95, New York, 
Ordovician, ranilarva Indiana, Silurian 
p. 208 fig., spp, n., Clarke & Ruedemann 
