5 Arachn. 
Subject Index. — Giqantostraca. 
2827 
ropT>. [Zur Kenntnis der devonischen 
Ablagerungen des Gebirges Mugodjary.] 
Tomsk Izv. technol. Inst. 24 4 1911 (1- 
28 + deutsch. Res. 29-33) Taf. i-iii. 19 
Raymond, Percy E. Notes on Paral- 
lelism among Asaphidae. Ottawa Proc. 
& Trans. R. Soc. Can. ser. 3 5 sect, iv 
(111-120) pis. i-iii. 20 
Reed, F. R. Cowper. Sedgwick 
museum notes. Geol. Mag. London Dec. 
5 9 1912 (200-202) pi. xi. 21 
Reed, F. R. Cowper. Sedgwick 
museum notes. Notes on the genus Tri- 
nucleus. Parts i & ii. Geol. Mag. London 
Dec. 5 9 1912 (346-353) pi. xviii : (385- 
394) pi. xix. 22 
Reed, F. R. Cowper. Devonian fossils 
from Chitral, Persia, Afghanistan and the 
Himalayas. Rec. Geol. Surv. Calcutta 
41 1911 (86-114) pis. vii & viii. 23 
Reed, F. R. Cowper. Silurian fossils 
from Cashmir. Rec. Geol. Surv. Cal- 
cutta 42 1912 (16-33) pi. ix 24 
Richter, Rudolf. Beitrage zur 
Kenntnis devonischer Trilobiten. (1. 
Die Gattung Dechenella und einige ver- 
wandte Formen.) Frankfurt a. M. Abh. 
Senckenb. Ges. 31 1912 (239-340) Taf. 
xviii-xxi 9 text-fig. 25 
Ruedemann, Rudolf vide Clarke, 
John M. 
Ryan, W. J. and Halissy, T. Pre- 
liminary notice of some new fossils 
from Bray Head, County Wicklow. 
Dublin Proc. R. Irish Acad. 29 sect. B 
No. 9 1912 (246-251) pis. xxii-xxiv. 26 
Sewell, R. B. Seymour. Capture of 
Limulus on the surface. Rec. Ind. Mus. 
Calcutta 7 1912 (87-88). 27 
Stelnmann, G. und Hoek, H. Das 
Silur und Cambrium des Hochlandes 
von Bolivia und ihre Fauna. (Beitr. 
zur Geologie und Palaontologie von 
Siidamerika von Dr. G. Steinmann.) N. 
Jahrb. Min. Stuttgart 34 1912 (176-252) 
pis. vii-xiv 6 text-fig. 28 
Stendell, Walter vide Lucas, Robert. 
Walcott, Charles D. Cambrian Geo- 
logy and Paleontology, ii. No. 6. — 
Middle Cambrian Branchiopoda, Mala- 
costraca, Trilobita and Merostoraata. 
Washington D.C. Smithsonian Inst. 
Misc. Collect. 57 No. 6 (Pub. 2051) 1912 
(145-228 -f 15 pp. not numbered) pis. 
xxiv-xxxiv. 29 
Walcott, Charles D. Cambrian geo- 
logy and paleontology. 2, No. 7. 
Cambro- Ordovician boundary in British 
Columbia with description of fossils. 
Washington D.C. Smithsonian Inst. 
Misc. Collect. 57 1912 (229-237) pi. xxxv. 
30 
Walcott, Charles D. Cambrian geo- 
logy and paleontology. 2. . No. 8. 
The Sardinian Cambrian genus Olenopsis 
in America. Washington D.C. Smith- 
sonian Inst. Misc. Collect. 57 1912 
(239-249) pi. xxxvi. 31 
Walcott, Charles D. Cambrian geo- 
logy and paleontology. 2. No. 9. 
New York Potsdam-Hoyt fauna. Wash- 
ington D.C. Smithsonian Inst. Misc. 
Collect. 57 1912 (251-304) pis. xxxvii- 
xlix. 32 
II.— SUBJECT INDEX. 
GENERAL = 2810. 
Jahresbericht fur 1910 ; Lucas & 
Stendell, 15. 
Struct, and affinities of Cambrian 
Trilobita , Aglaspina (vide Xiphosura , 
etc.), Eurypterida ; Walcott, 29 : Eury- 
pterida ; Clarke & Ruedemann, 6 : 
Trinucleua ; Reed, 22 : Dechenella ; 
Richter, 25 : Hypostome and Antenna 
in Calymene ; Laurie, 13 : ovarian eggs of 
Limulus ; Munson, 17 : yolk nucleus ; 
Munson, 18. 
Capture of Limulus on the surface ; 
Sewell, 27 : Bionomic relations of 
Eurypterida ; Clarke & Ruedemann, 6 : 
Tracks of Trilobites, Walcott, 32. 
Phylogeny and relationships of Eury- 
pterida ; Clarke & Ruedemann, 6 : 
Phylogeny and parallelism in Asaphidae 
( Trilobita ) ; Raymond, 20. 
DISTRIBUTION = 2827. 
(Geological.) 
Palaeozoic, N. America, monograph 
of Eurypterida , spp. n. ; C)a.rke & 
Ruedemann, 6 : Cambrium, Silur, Devon, 
Bolivia, Trilobita spp. n. ; Steinmann 
& Hoek, 28. 
