11 Compr. Zocl. 
Titles. 
0000 
Osborn, H. F. Origin of single 
characters as observed in fossil and 
living animals and plants. [Presidential 
address.] Amer. Nat. New York 49 
1915 (193-239) ff. 1-10. 164 
Osborne, T. B. and Mendel, L. B. 
The suppression of growth and the 
capacity to grow. J. Biol. Chem. Balti- 
more 18 1914 (95-106) charts. 165 
Ostenfeld, C. H. Conseil permanent 
international pour Pexploration de la 
mer. Bulletin planktonique pour les 
annees 1908-1911. (Continuation du 
Bulletin trimestrial .... partie I).) 
Public par le Bureau du Conseil avec 
l’assistance de C. H. Ostenfeld. 2. 
partie. Copenhague (H0st & fils) 1915 
(74). 32^x27 cm. Price 6 Kr. 166 
Palm4n, J. A. Odo Morannal Reuter 
som zoologisk forskare. [Odo Morannal 
Reuter als zoologischer Forscher.] 
Helsingfors Acta Soc. Sc. Fenn. 45 1915 
(1-44) Taf. 167 
Parker, G. H. The origin and signi- 
ficance of the primitive nervous system. 
Philadelphia Proc. Amer. Phil. Soc. 50 
1911 (217-225). 168 
Parker, G. H. A note on sex deter- 
mination. Science New York 39 1914 
(215-216). 169 
Parker, G. H. Experimentalism in 
zoology. Science New Nork 39 1914 
(381-384). 170 
Parks, W. A. Palaeozoic fossils from 
a region southwest of Hudson Bay. 
Toronto Trans. Canad. Inst. 2 1915 (3- 
95) pis. i-vii. 171 
[Pavlovskij, E. N.] IlaBJiOBCKifi, E. 
H. HfiKOTopua noJioJKenia o ohaobh- 
tocth JKHBOTMJX'b. [Einige Grund- 
satze beziiglich derGiftigkeitder Tiere.] 
Bull, labor, biol. St. Peterburg 14 livr. 
1 1914 (30-32). 172 
[Pfielincev, V. F.] n^ejiHHgeBT., B. 
*I>. lOpcKia OTJiojKeHifl YpajibCKofi o<> 
JiacTH h OpeudyprcKoii rydepHiii. [Die 
Jura-Ablagerungen der Uralschon 
Gebiete.] Petrograd Trav. Soc. nat. 
C.-r. stances 45 livr. 1 1914 (105-117 + 
deutsch. R<$s. 168-169) 3 Fig. 173 
Pearl, R. Studies on inbreeding 4. 
On a general formula for the constitution 
of the nth generation of a Mendelian 
population in which all matings are of 
brother x sister. Amer. Nat. New York 
48 1914 .491-494). 174 
Pearl, R. Studies on inbreeding. 5. 
Inbreeding and relationship coefficients. 
Amer. Nat. New York 48 1914 (513- 
523) ff. tables. 175 
Pearl, R. Seventeen years’ selection 
of a character showing sexlinked Mende- 
lian inheritance. Amer. Nat. New York 
49 1915 (596-608). ' 176 
Perrier, E. Cuvier, I, II. Rev. 
internat. Enseign. Paris 34 nos. 9 a 12 
(15 septembre-15 decembre 1914) (165- 
180 276-285). 177 
Perrier, E. La vie du Museum en 
1913. Bui. Museum Paris 1914 (301- 
314). 178 
Petersen, C. G. J. Report of the 
Danish biological station to the Board of 
Agriculture. Copenhagen 1915 22 1914 
(1-88) maps Appendix (7 pp.) 23 1915 
(1-26) tables. 179 
Petersen, C G. J. Et forel0bigt 
Resultat af Boniteringsunders0gelserne. 
A preliminary result of the investiga- 
tions concerning the valuation of the 
sea. K0benliavn Ber. Biol. Stat. 23 
1915 (27-29) table. 180 
Phisalix, Marie. Note sur les precau- 
tions & prendre dans la recolte, la con- 
servation et l’envoi des animaux veni- 
meux et de leur venin. Paris Bui. soc. 
path. exot. 7 1914 (517). 181 
Pike, F. II. and Scott, E. L. The 
significance of certain internal conditions 
of the organism in organic evolution. 
First paper. The regulation of the 
physico-chemical conditions of the 
organism. Amer. Nat. New York 49 
1915 (321-359). 182 
Platt, Emilie Louise. The population 
of the “ blanket-algae ” of freshwater 
pools. Amer. Nat. New York 49 1915 
(752-762). 183 
Poyarkoff, E. Nouvelle methods dans 
l’etude du role biologique des sels. 
Paris C. R. soc. biol. 78 1915 (178-180). 
184 
Praeger, R. L. Clare island, survey. 
General introduction and narrative. 
Dublin Pr. R. Irish Ac. 31 1915 No. 68 
(1-15). 185 
Prenant, A. Les appareils cilies et 
leurs d6riv£s. J. anat. physiol. Paris 
49 1913 (88-108 av. fig.). 186 
Prenant, A. Les oils et leurs derives. 
Rev. gen. sci. Paris 26 1915 (41-51 av. 
fig.)- *87 
