I. Comprehensive Zoology. [ 19203 
4 Oompr. Zool. 
Ghatton, E. La palisporogenese ou 
eporogen^se iterative, mode do repro- 
duction special & certains Flagell6s 
parasites. Son d6terminisme. C. R% 
Ac. Sci. Paris 171 1920 (201-203). 23 
Child, C. M. Some considerations 
concerning the naturo and origin of 
physiological gradients. Biol. Bull. 
Woods Hole 39 1920 (147-187). 24 
Golosi, G. Per una classificazione 
delle regioni zoogeografiche marine. 
Memorie geografiche di Giotto Dainelli 
pubblicate come supplemento alia 
“ Rivista Geografica Italiana.” Firenze 
1919 (54 pp.). 25 
Cockerell, T. D. A. Zoology, a text- 
book for colleges and universities. 
New York (xi -f 558). Review Nature 
106 pp. 529 & 530. 26 
Crampton, G. 0. The evolution of 
Arthropods and their relatives with 
especial reference to insects. Amer. 
Nat. New York 53 1919 (143-179). 27 
Cunnington, W. A. The fauna of the 
afrioan lakes : a study in comparative 
limnology with special reference to 
Tanganyika. Proc. zool. Soc. London 
1920 1920 (507-622). 28 
Da Fano, C. Method for the demon- 
stration of the Golgi apparatus in ner- 
vous and other tissues. Journ. R. 
microsc. Soo. London 1920 1920 (157- 
161) pi. iii. 29 
Davies, A. M. An introduction to 
palaeontology. London Murby (xi -j- 
414). 30 
Deegener, P. Die Formen der 
Vergesellsehaftung im Tierreiche. Ein 
systematisch-soziologischer Versuch. 
Leipzig 1918 Veit (xii -f 420). 31 
Demoll, R. Zur Frago naoh der 
Vererbung vom Soma erworbener Eigen - 
schaften. Arch. Entwicklungs- 
mechanik Berlin 46 1920 (4-11) pi. i. 32 
Dewitz, J. t)ber die Entstehung 
rudimentarer Organe bei den Tieren. 
Zusammenfassung meiner bisherigen 
Mitteilungen. Zool. Jahrb. Jena Abt. 
Allg. Zool. 36 1917 (231-244). 33 
Doncaster, L. An introduction to the 
study of cytology. Cambridge 1920 
(xiv -j- 280) 14 pis. 31 text-figs. 34 
Driesch, H. Der Begriff der organ- 
ischen Form. Abh. theoret. Biol. 
Berlin 3 1920 (not seen by Recorder). 
35 
Dubois, R. A propos de la note de 
M. F6lix R6gnault ; sur une nouvelle 
conception dos ph6nom6nos do la vie. 
C. R. Soo. Biol. Paris 83 1920 (286-288). 
36 
Esterly, C. O. Limitations of experi- 
ment in explaining natural habit, as 
illustrated by the diurnal migration. 
Science New York 52 1920 (307-310). 37 
Esterly, C. O. Reactions of various 
plankton animals with reference to 
their diurnal migrations. Univ. Calif. 
Publ. Zool. 19 1919 (1-83). 38 
F6j6rvary, G. J. de. Notes de nomen- 
clature pal6ozooiogique. Bull. Soc. 
vaud. Lausanne 52 1919 (317-321). 39 
Ficandt, E. Einige Gesichtspunkte 
iiber die Ursachen der Menschwerdung. 
Helsingfors Ofvers. F. Vet. Soc. 61 A 
No. 4 1920 (1-23). 40 
Field, R. M. The -use of the term 
fossil. Science Now York 51 1920 (634 
& 635). 41 
Fisckel, A. Ursachen tiorischer 
Farbkleidung. Arch. Entwicklungs- 
mechanik Berlin 46 1920 (202-209). 42 
Fletcher, J. J. In commemoration of 
the centenary of the birth of Sir William 
Macleay. Proc. Linn. Soc. N.S. Wales 
Sydney 45 1920 (218 & 219). 43 
Forel, A. Richard Semon. Bull. 
Soc. vaud. Lausanne 52 1919 (359-361). 
44 
Fortuyn, AS. B. D. Vergleichende 
Anatomie des Nervensystems. Erster 
Teil. Die Leitungsbahnen im Nerven- 
system der Wirbellosen Tiere. Haarlem 
Bohn 1920 (viii + 370). 45 
Galippe, V. , Reohorchos sur la 
resistance des microzymas & 1’ action 
du temps et sur leur survivance dans 
Pambre. C. R. Ac. Sci. Paris 170 1920 
(856-858). 46 
Gardiner, J. S. Economio and 
educational aspects of zoology. (Presi- 
dential address). Nature London 106 
1920 (63-65). 47 
Gatenby, J. G. The cytoplasmic 
inclusions of the germ-cells. Part vii. 
The modern technique of cytology. 
Quart. J. microsc. Sci. London 64 1920 
(267-301). 48 
