26 Arachn. 
ARAOHNIDA (for 1879). 
BY 
The Rev. 0. P. Cambridge, M.A., C.M.Z.S. 
(Assisted by P. M. Campbell, P.L.S., &c.) 
List of the more Comprehensive Publications. 
Becker, L^on. Catalogue des Arachnides de Belgique. (2“® partie) 
Ann. Ent. Belg. xxii. pp. 24-30; (3“® partie) 1. c. pp. 101-108; 
(4me partie) tom. cit. OR. pp. civ.-cvii. 
These parts respectively record 31 species of 13 genera of Drassidce, 67 
species chiefly of Theridiidce, and 21 of Phalangiidea. The author, 1. c. 
OR. pp. Ixxxix., cxxvii., clxiii. & clxxiv., adds various known genera and 
species to the Belgian list ; and, pp. xcv.-xcvii. & cxxii.-cxxvii., gives 
list of fresh localities for species already recorded. 
. Aran^ides de Neerlande. L. c. pp. xxxix.-xlvii. 
A catalogue, with localities, of 159 known species of 14 families and 
66 genera, based upon lists by Six and Van Hasselt. The author, 1. c. 
pp. cxxix. & clxxvi., adds various known species. 
. Diagnoses de nouvelles Aran^ides Am^ricaines. L. c. pp. 77-86, 
pis. i. & ii. 
Describes 1 new genus and 12 new species of various families. 
. Oaract^res g^n^raux des Aran^ides (Abr^g4 de I’histolre naturelle 
des Araneides de Belgique). L. c. (OR.) pp. xxi.-xxxiv. 
Treats of the external characters and classification of the Araneidea. 
The classification adopted is that of Eugene Simon, Arachn. de France. 
. Communications Arachnologiques. L. c. (OR.) pp. xcv.-cii. 
cxxii.-cxxvii., & clxix.-clxxiv. 
Contains various notes on and lists of Belgian and Netherlands Spiders; 
also, pp. xcvii.-cii., some details on Spiders flying by means of their silken 
lines. The experiments made many years ago by Blackwall are repeated 
and with a similar result, showing that lines are emitted, carried by a 
current of air, and self -fixed to any point with which the line happens to 
come in contact. An instance is also recorded, p. xcviii., of a Thera- 
