30 JSchin. 
XIY. ECHINODERMA. 
251. PELL AT, E. Le Ndocomien (Valanginien et Hauterivien) et le 
Barremien entre Mons et Brouzet (Gard) ; quelques mots sur les 
facias urgoniens de Martigues et d’Apt ; sur l’Aptien des environs 
d’Uz&s, et le Barremien de Lussan (Gard). Bull. Soc. geol. France 
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252. . Note sur le Toxaster amplus Desor, d’aprks des observations 
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Abstracts : by J. Lambert, Rev. paleozool. vii, p. 220 (Oct. 1903) ; 
by M. Leriche, Geol. Centrbl. iv, p. 479 (1 Jan. 1904). 
253. PERON [P. A.]. Les faunes successives du jurassique supdrieur des 
environs de Bourges. C.R. Ass. Franc, xxxi, Pt. n, pp. 496-518. 
[iii, b, iii, c, 1.] 
. See also Gentil, L. 
PERRIER [J. 0.] E. (220) Zool. Rec. 1902. Abstract by L. Defrance, 
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254. PERRIER, R. Holothuries. Exped. du “ Travailleur ” et du 
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[n, a, iii : b, i, b, 1, 4 ; ii, c : e, iii. iii, a, ii. iv, b.] 
Abstract : in Ludwig (178) Zool. Rec. 1902. 
255. . Sur deux esp6ces nouvelles d’holothuries de la Nouvelle- 
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[iii, a, iv. iv, B.] 
Abstract : in Ludwig (205). 
256. PERVINQUII^RE, L. ICtude g^ologique de la Tunisie centrale. 
Carte g^ologique de la Tunisie. 4to, viii + 360 pp., iii pis., 1 folded 
map and frontisp., 42 text-figg. Paris : de Rudeval. 
[in, b, ii, d, f. iii, b, iii, b, I, 2.] 
257. PETCH, T. Marine zoology at Filey. Naturalist, 1903, p. 351. 
(Sept.) [in, a, ii.J 
258. . The marine fauna of the Humber district and the Holderness 
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259. PETERSEN, C. G. J. & LEVINSEN, J. C. L. Travlinger i Skagerack 
og det nordlige Kattegat i 1897 og 98. Beretn. fra den danske biol. 
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the Skager Rack and Cattegat in 1897 and 98. Rep. Danish Biol. 
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Pages of subject index refer to English Edition, for which I have 
to thank Dr Petersen. 
PETITCLERC, P. (239) Zool. Rec. 1901. Abstract by [A.] Tornquist, 
N. Jahrb. Min. 1903, ii, p. -454- (1 Dec. 1903). 
260. POLARA, G. Sull J organo genitale e sulle lacune aborali della 
Synapta inhaerens. Arch. Zoologico, i, pp. 367-373, pi. xx. (28 Dec.) 
[ii, a, iii : b, i, b, 7, IS .) 
Abstracts : by Author, Boll. Acc. Gioen. (n. s.) lxxviii, pp. 9-14 
(July, 1903) ; in Ludwig (205). 
261. PRATT, H. S. A course in invertebrate zoology. A Guide to the 
dissection and comparative study of invertebrate animals, xii + 210 pp. 
Boston, U.S.A., & London : Ginn & Co. 4s. Qd. (1902.) 
[ii, b, i, c, 1 ; d, 1 : e, i, d.] 
PRUVOT, G. See Albert Honors (4), Koehler, R. 
PRZIBRAM, H. (250) Zool. Rec. 1901. Abstract by D. Barfurth, 
Anat. Hefte. Ergebn. xi, pp. 544-547 (1902). 
