XI. ARACHNIDA 
TO WHICH ARE ADDED 
GIGANTOSTRAGA (XIPHOSURA, TRILOB1TA, EU RYPTERID A), 
PANTOPODA, TARDIGRADA, PEN TA STOMI'D A, MY RIO PO DA 
and PROTOTRAGIiEATA 
ARRANGED BY 
W. T. GALMAN, D.Sc. 
CONTENTS. 
PAGE 
Gigantostraca. 
I. Titles=2800 . . . . . . . . . . . . . . 4 
II. Subject-Index =2803-2827. . . . .. .. .. 4 
III. Systematic Index= 2831 : — 
Trilobita . . . . . . . . . . . . . . 5 
Xiphosura, etc. . . . . . . . . . . . . 5 
Eurypterida (vacant). 
Pantopoda. 
I. Titles = 2800 .. .. .. .. .. .. . „ 6 
II. Subject-Index=2803-2827 . . .. .. .. ..6 
III. Systematic Index= 2831 .. .. .. .. *• 6 
(n-5464 n ) b 4 
