10 Compr.Zool. 
I. Comprehensive Zoology. 
[1918] 
Mortensen, Th. Observations on 
protective adaptations and habits, 
mainly in marine animals. Kobenhavn 
Nath. Medd. 69 1918 (57-96) pi. and 
19 figs. 137 
Mortensen, Th. En skandinavisk 
Havforsknings-Station i Tropeme. A 
proposal for a Scandinavian station of 
marine biology in the tropics. Koben- 
havn Naturens Verden 2 1918 (471- 
475). 138 
Mottram, J. C. and Green, F. W. E. 
Some aspects of animal colouration 
from the point of view of colour vision. 
Sci. Progr. London 13 1918 (253-204). 
139 
Miihlmann, M. Ueber die chemischen 
Bestandteile der Nisslkomer. Arch, 
mikr. Anat. Bonn 85 1 1914 (361-363). 
140 
Naumann, E. Beitrage zurKenntnis 
des Teichnannoplanktons. ii. t)ber das 
Neuston des Susswassers. Biol. Cen- 
tralbl. Leipzig 37 1917 (98-106). 141 
Neumann, R. 0. and Meyer, M. Atlas 
und Lehrbuch wichtiger tierischer 
Parasiten und ihrer Uebertrager mit 
besonderer Beriicksichtigung der Trop- 
enpathologie. Lehmanns medizinische 
Atlanten 11 Miinchen 1914 45 pis. = 
I, 537 figs. 142 
Neuville, H. Quelques remarques 
sur la formaldehyde et son emploi. 
Bull. Mus. Paris 23 1917 (58-77). 143 
Osborn, H. F. The origin and evolu- 
tion of life on the theory of action, 
reaction and interaction of energy. 
London 1918 (xxxi + 322). 144 
Parshad, B. The seasonal conditions 
governing the pond life in the Punjab. 
J. Asiat. Soc. Bengal Calcutta 12 1916 
(143-145). 145 
Paulsen, O. Plankton and other 
biological investigations in the sea 
around the Faeroes in 1913. Kobenhavn 
Medd. Havunders. Serie Plankton 1 
13 1918 (1-27) 6 figs. 146 
Pax, F. Die Tierwelt Polens. Hand- 
buch von Polcn Berlin 1917 (213-240). 
147 
Pax, F. Versuch einer tiergeo- 
graphischen Gliederung Polens. Zeitschr. 
Ges. Erdkunde Berlin 1917 (9 pp.). 148 
Pearl, R. The experimental modifi- 
cation of germ cells, i. General plan of 
experiments with ethyl alcohol and 
certain related substances. J. Exper. 
Zool. Philadelphia 22 1917 (125-164). 
149 
Pearl, R. The experimental modifi- 
cation of germ cells, iii. The effect of 
parental alcoholism, and certain other 
drug intoxications, upon the progeny. 
J. Exper. Zool. Philadelphia 22 1917 
(241-310). 150 
Pearl, R. Studies on inbreeding. 
6. Some further considerations regarding 
cousin and related kinds of mating. 
Amor. Nat. New York 49 1915 (570- 
575) tables chart. 151 
Pearse, A. S. Recent literature on 
the behaviour of the lower invertebrates. 
Psych. Bull. Princeton N.J. 9 1912 
(281-290). 152 
Pearse, A. S. Tropical nature in 
Colombia. Pop. Sci. Mon. New York 
84 1914 (290-305). 153 
Perrier, E. Le Museum pendant et 
apres la guerre. Bull. Mus. Paris 23 
1917 (357-365). 154 
Poisson, J. Humbolt, Naturaliste- 
voyageur (1883-1917). Bull. Mus. 
Paris 23 1917 (216-218). 155 
Pouillaude, J. Animaux nuisibles 
aux soldats en campagne. Bull. Soc. 
Ouest Rennes 24 1915 (94-101). 156 
Rabl, C. Edouard van Beneden und 
der gegenwartige Stand der wichtigsten 
von ihm behandelten Probleme. Arch, 
mikr. Anat. Bonn 88 1915 (1-464) 7 pis. 
157 
Razzauti, A. Contributi alia conos- 
cenza faunistica delle isole toscane. 
i. Isola di Capraia. Atti Soc. Toscana 
Pisa 31 1917 (196-224). 158 
Reagan, F. P. The r6le of the 
auditory sensory epithelium in the 
formation of the stapedial plate. «J. 
Exper. Zool. Philadelphia 23 1917 
(85-108). 159 
Richardson, N. M. Address of the 
President. Proc. Dorset N&t. Hist. Club 
Dorchester 38 1918 (1-22) 160 
Richardson, N. M. Address of the 
President. Proc. Dorset N.H. Club 
Dorchester 39 1918 (1-19) 161 
