TITLES. Arachn. 9 
142. [OuDEMANS, A. C] Symbiose van Koptorthosoma en Greenia eene 
prioriteits. Kwestie. Ent. Ber. Nederland. No. 14, pp. 98 & 99. 
143. . Acarologische Aanteekeningen No. vii. T. c. No. 13, pp. 91 & 
92. 
144. . Acarologische Aanteekeningen No. viii. T. c. No. 14, pp. 100- 
103. 
145. . Acarologische Aanteekeningen No. ix. T. c. No. 15, p. 119. 
146. . Acarologische Aanteekeningen No. 10. T. c. No. 16, p. 140. 
147. . Ibid. No. 11. T. c. No. 17, pp. 153 & 154. 
148. . Ibid. No. 12. T. c. No. 18, pp. 160-163. 
149. . Note on a new genus and species of parasitic Acari. Note viii. 
Notes Leyden Mus. xxiv, 1902 (July, 1904), p. 216, text-fig. 
150. . Lcelaps versteegn, a new species of parasitic mite. Note ix. 
T. c. pp. 223-231, text-figg. 
. [See F. Heim & Oudemans (83).] 
. [See VoiGTS & Oudemans (223).] 
151. Pavesi, p. Esquisse d'une faune Valdotaine (Arachnida, pp. 62-68 
[250-256]). Atti Mus. Milano xliii, 1904. 
Pearce, N. D. F. [See Warburton & Pearcb (228).] 
152. Perez, Ch. Sur les larves d'Hydrachnes. C.E. Soc. Biol. Ivi, 1904, 
pp. 263 & 264. 
Perkins, K C. [See E. E. Green & R. C. Perkins (76).] 
153. Piersig, Richard. Neues Verzeichnis der bisher im Sachsischen 
Erzgebirge aufgefundenen Hydrachnidenformen. ii. Ber. Annaberg 
Ver. 1903, pp. 34-46, 2 pis. 
154. . Ueber eine neue Hydrachnide aus dem Bohmen Walde. Zool. 
Anz. xxvii, pp. 453 & 454, 1 fig. 
155. . Eine neue Aturus Art aus dem Bohmisch. bayerischen Walde. 
T. c. pp. 471 & 472. 
156. . Verzeichnis der bisher von der biologischen Wolga-Station zu 
Saratow gesammelten Hydrachniden. Annuaire Mus. St. Petersb. ix, 
1904, pp. 45-56, text-figg. 
157. PococK, R. I. On a new stridulating organ in Scorpions, discovered 
by W. J. Burchell in Brazil in 1828. Ann. Nat. Hist., Ser. 7, xiii, 
1904, pp. 56-62, 1 pi. 
158. . Note on Ixodes. [See Christy, C. (45).] 
159. PoLJANSKY, J. Zur Embryologie des Scorpio indicus, pp. 42-55 
[in Russian], pp. 83-90 [in German]. Trudui St. Peterb. Obshch. 
xxxiii. 
160. Pritchett, Annie H. Observations on Hearing and Smell in Spiders. 
Amer. Natural, xxxviii, pp. 859-867. 
161. PuRCELL, W. F. Descriptions of new genera and species of South 
African spiders. Tr. S. African Soc. xv, pt. iii, pp. 115-173, pis. x 
& xi. 
162. . On the species of Opisthophthalmus in the collection of the 
South African Museum, with descriptions of some new forms. Ann. 
S. African Mus. iv, pt. ii, pp. 133-180. 
