13 Crust. 
Titles. 
2600 
O’Brien, R. D., Delap, A. H., Craw- 
ford, E., Kendall, C. E. Y., Allingham, 
H. Freshwater Crayfish in Munster 
and Ulster. Irish Nat. Dublin 18 1909 
(24). 220 
(Ortmann, Ar[nold] Efdward]. The 
mutual affinities of the species of the 
genus Cambarus, and their dispersal 
over the United States. Philadelphia 
Pa. Proc. Amer. Phil. Soc. 44 1905 
(91-130) map.) 221 
(Ortmann, A. E. A new species of 
Cambarus from Louisiana. Ohio Nat. 
Columbus 6 1905 (401-403).) 222 
f#yen, P. A. Kvartaer-studier i 
det sydostlige Del af vort Land. 
Kristiania Vid. Selsk. Skr. 1, Math.- 
nat. Kl. 1908 No. 2 (1-126). 223 
fOyen, P. A. Laerumskredet. Nyt 
Mag. Naturv. Kristiania 47 1909 (227- 
242). 224 
fCyen, P. A. Et par nye fund i 
PAoZasniveauet. Nyt Mag. Naturv. 
Kristiania 47 1909 (243-250). 225 
fDyen, P. A. Trivia- niveauet 
ved Svelvik. Arch. Math. Naturv. 
Kristiania 30 No. 2 1909 (1-11). 226 
f0yen, P. A. Kvartaergeologiske 
Streiftog omkring den indre Del af 
Bundcfjorden. Arch. Math. Naturv. 
Kristiania 30 No. 3 1909 (1-51). 227 
fjgfyen, P. A. Nogle Bcmaerkningcr 
om Trondhjemsfeltets Kvartacrhistoric. 
Trondhjem Kgl. Vid. Selsk. Skr. 1908 
No. 5 (1-42). 228 
Pack-Beresford, D. R. and Foster, 
Nevin H. On the distribution of 
Woodlice in Ireland as known at the 
end of 1908. Irish Nat. Dublin 18 
1909 (92-93). 229 
Paolucci, Carlo. I Podoftalmi de- 
capodi del medio Adriatico italiano. 
Riv. mens. Pesca Napoli 11 1909 (148— 
159 & 219-256) 2 tav. 230 
fParker, William A. The fossil 
Arthropoda and Pisces of Sparth, 
Rochdale. Lancashire Naturalist 
Darwen new ser. 2 1909 (2-8). 231 
Patience, Alexander. On the genus 
Phoxocephalus. Glasgow Nat. 1 
Pt. 4 1909 (116-134) pis. iii-iv. 232 
Patience, Alexander. Preliminary 
description of a new British Amphipod, 
Isaea elmhirsti sp. n. Glasgow Nat. 
1 pt. 4 1909 (134-135). 233 
Pearse, A. S. Observations on 
copulation among Crawfishes with 
special reference to sex-recognition. 
Amer. Nat. Boston Mass. 43 1909 
(746-753). 234 
Pesta, Otto. Bemerkungen zum 
Ausbau des Systems der parasitischen 
Copepoden. Zool. Anz. Leipzig 34 
19,09 (151-153). 235 
Pesta, Otto. Beitrage zur Kenntnis 
parasitischer Copepoden. Wien Denk- 
sclir. Ak. Wiss. Mat. Nat. Kl. 84 1909 
(257-267) 3 Taf. . 236 
Pesta, Otto. Zoologische Ergebnisse 
XV. Copepoden (I. Artenliste 1890) 
Wien Denkschr. Ak. Wiss. Mat. Nat. 
Kl. 84 1909 [Berichte der Kommission 
fur Erforschung des ostlichen Mittel- 
meeres] (19-31). 237 
Pilsbry, Henry A. Report on bar- 
nacles of Peru, collected by Dr. R. E. 
Coker and others. Washington D.C. 
Smithsonian Inst. U. S. Nation. Mus. 
Proc. 37 (Pub. No. 1700) 1909 (63-74) 
pi. 16-19. 238 
Pilsbry, Henry A. A new species 
of Scalpellum from British Columbia. 
Philadelphia Pa. Proc. Acad. Nat. Sci. 
61 1909 (367-368). 239 
Police, Gesualdo. Sul sistema ner- 
voso visccrale della Squilla mantis. 
Mitt. zool. Stat. Neopel Berlin 19 
1909 (144-148) 1 Taf. 240 
Porter, Carlos E. Materiales para 
la fauna carcinolojica de Chile, vii 
La familia Pinnolheridae. Rev. 
chilena Valparaiso 13 Num. 3 1909 
(245-249). 241 
Potts, F. A. Observations on the 
changes in the common Shore-Crab 
caused by Sacculina. Cambridge 
Proc. Phil! Soc. 15 pt. 2 1909 (96-100). 
242 
Potts, F. A. Some phenomena 
associated with parasitism. Parasitol. 
Cambridge 2 1909 (42-56). 243 
fRamond, G., Combes, Paul, fils 
et Morin, Maurice. Etudes geologiques 
dans Paris et sa banlieue. V. Note 
sur le gite fossilifere du Guespel. 
Paris C. R. Ass. fran<j. avanc. sci. 37 
1908 [19091 (476-493). 244 
(Rathbun, Mary J. Descriptions of 
three now species of American crabs. 
Washington D.C. Proc. Biol. Soc. 17 
1904 (161-162).) 245 
