12 Arachn. 
XI. ARACHNIDA. 
Peal, S. E. Stridulating organ in a Spider. Nature, lii, p. 148. 
Peckiiam, G. W. & E. G. (1) Spiders of the Marptusa group. Pap. 
Soc. Wisconsin, ii, No. 2, pp. 85-156. 
& . (2) Spiders of the Homalattus group of the Family 
Attklcc. T. c. No. 3, pp. 159-183. 
— — & . (3) New Trinidad Spiders of the Family /I ttidic. Trini- 
dad Field Club, ii, pp. 212-216. 
& . (4) Sense of sight in Spiders. Tr. Wisconsin Ac. x, 
pp. 231-261. 
& . (5) Notes on the habits of Trypoxylon rubrocinctum and 
Trypoxylon albopilonum . Psyche, 1895, pp. 303-306. 
Philipp, R. The suspension of foreign bodies from Spiders’ webs. 
Nature, xlix, p. 481. 
Philippi, R. A. Die giftige Spinne Chiles. Zool. Garteu, xxxv, pp. 56-60. 
Piersig, R. (1) Ueber Hydrachniden. Zool. Anz. xvii, p. 107. 
. (2) Ueber Hydrachniden. T. c. pp. 114 118. 
. (3) Notiz. [Note on Hydrachnidae.] T. c. p. 150. 
. (4) Sachsen’s Wassermilbeu. T. c. pp. 213-216. 
. (5) Hydrachnologische Berichtigungen. T. c. pp. 370-378. 
. (6) Beitrage zur Systematik und Eutwicklungsgeschichte der 
Susswassermilben. Op. cit. xviii, pp. 19-25. 
. (7) Einiger iiber die Hydrachniden Gattuugen Arrenurus , Dug., 
und Thycis, C. L. Koch. T. c. pp. 138-140, 145-148. 
— — . (8) Eine neue Hydrachna-species. T. c. pp. 301-304. 
Planciion, L. Observations sur la resistance vitale de VA rgas rejlexus, 
Latr. Feuille Natural. (3) xxvi, pp. 29-32. 
Pocock, R. I. (1) A small contribution to our knowledge of the 
Scorpions of India. Ann. Nat. Hist. (6) xiii, pp. 72-84. 
• . (2) Notes on the 'Thelyphonidce contained in the collection of the 
British Museum. Op. cit. xiv, pp. 120-134 (1894). 
. (3) Notes on the Pedipalpi of the family Tarantulidce contained 
in the collection of the British Museum. T. c. pp. 273-298, 
pis. vii & viii. 
. (4) On a new and natural grouping of some of the Oriental 
genera of Mygalomorphce , with descriptions of new genera and species. 
Op. cit. xv, pp. 165-184. 
. (5) Notes on some of the Solifugoi contained in the collection of 
the British Museum, with descriptions of new species. Op. cit. xvi, 
pp. 74-98, 6 pis. 
