BIBLIOGRAPHY OF THE TQNK'ATA. 165 



PETERS EN, C. G. J., & J. C. L. LEVINSEN. 



1900. Trawl ings in the Skater Rack and the Northern 

 C'.-ittegafc in 1897 and 98. (Transl.) Rep. Danish Biol. Stat. 



IX, 1899, 56 pp. 1 map. [pp. 10, 23 (3 sps.).] 



Petterssen, Sver Otto. 



1901. Variations de 1'eau de 1' Ocean Atlantique. See 

 CLEVE, P. T., G. EKMAN, & S. 0. PETTEUSSEN. (In Add.) 



Pettigrew, James Sell. 



1874. Tlie Physiology of Circulation in Plants, in the 

 Lower Animnls, and in Man. 8. London. [pp. 83-84.] 



Pfeffer, Geary Johann. 



1889. Zur Fauna von Siid-Georgien. Mitt. nut. Mus. 

 Hamlniry, VI, v, 19 pp. [pp. 3-4 (6 sps.).] 



1890. Die niedere Thierwelt des antarktischen Uferge- 

 bietes. (In) Die Deutschen Expeditionen und ihre Ergebnisse, 

 II, pp. 455-572. 8. Berlin, [pp. 498-499 (6 sps.); 538- 

 539 (57 sps.).] 



Pfeiffer, L. 



1849. Leach's Molluskensystem. Zeitschr. Malakoz. VI, 

 pp. 53-63. [p. 61.] 



Philippi, Kndnlpli Amandus. 



1843. Rhopalgea, ein neues Genus der einfachen Ascidien. 

 Arch. Auat. Physiol. 1843, 1, pp. 45-57, 1 pi. 



1853. Handbuch der Conchy liologie und Malacozoologie. 

 8. Halle, [pp. 2, 12, 22, 24, 25, 30, 405-420.] 



Phipps, Constantine John. (2nd Baron MULGRAVE.) 



1774. A Voyage towards the North Pole undertaken by 

 his Majesty's command, 1773. 4. London, [pp. 194-195, 

 199-200 (3 sps.) ; pi. xiii, f. 3 (Synoicum turgens).~\ 



(Eds. in 1775, 1780?, and 1808. French Iran si.: Voyage au Pole boreal, 

 4. Paris, 1775. German transl.: Ilcise nach dem Nordjiol, 4. Bern, 1777.) 



Phipson, Thomas Lambe. 



1862. Phosphorescence ; or, the emission of lig-ht from 

 Minerals, Plants, and Animals. 8. London, [pp. Ill, 113 

 114, 119, 120, ff. 12, 13 (Vyrosoma and Salpa}.'] 



(Re-printed 1870.) 



Pictet, Camille. 



1891. Recherches sur la spermatogenese chez quelques 

 Invertebres de la Mediterraiiee. Mitth. zool. Stat. Neapel, 



X, 1, pp. 75-152, pis. viii-x. [pp. 78, 136-141, pi. x, ff 147- 



160 (tialpa vinjnla).'] 



1893. Zool. Jahresb. 1891, Tuuicata, p. 11. 



