2 Compr. Zool. 
I. Comprehensive Zoology. 
[1921] 
I.— T ITLES. 
1 i — Absolon, K. Bemerkungen zu 
den mikro-photographischen Tafeln im 
Aufsatze J. Obenbergers im Archiv fur 
Naturgeschichte 1916 a 4. Arch. 
Natg. Berlin Abt. A 82 10 1916 1917 
pp. 172-7. 
la. — Aichel, 0. Zur Diskussion iiber 
das Problem der Entsteliung der Zahn- 
form. Anat. Anz. 52 1919 pp. 81-90 
145-152 193-206 207-213 241-260 417- 
439. 
2. — Alexander, W. B. History of 
Zoology in Western Australia, Part III, 
1829-1840. J. R. Soc. W. Australia 
Perth 3 1918 (37-69). 
3. — Allen, E. J. Heredity in plants, 
animals and man. Ann. Rep. Trans. 
Plymouth Inst. 16 1921 pp. 83-110 
1 pi. 11 text-figs. 
4. — Anders, H. E. Die entwick- 
lungs-mechanische Bedentung der 
. Doppelbildingen nebst Untersuchungen 
fiber Einfluss des Zentralnerven- 
systems auf die quergestreifte Musku- 
latur des Embryo. Arch. EntwMech. 
Leipzig 47 1921 pp. 452-497. 
5. — Anderson, R. J. Some notes on 
animal intelligence, cerebration, and 
reflexes. IXe Congr. intern. Zool. 
Monaco (publ. Rennes) 1914 pp. 237- 
243. 
6. — Annandale, N. The African 
element in the Freshwater Fauna of 
British India. IXe Congr. intern. Zool. 
Monaco (publ. Rennes) 1914 pp. 579- 
589. 
7. — Annandale, N. The aquatic 
fauna of Seistan. A. summary. Rec. 
Indian Mus. 18 1921 pp. 235-253. 
8. — Bateson, W. Problems of genetics, 
pp. x -f- 258 pis. and text-figs. New 
Haven Conn. (Yale Univ. Press) 1916 
8vo. 
9. — Beauchamp, P. de et Lami, R. 
La bionomie intercotidale de l’ile de 
Brehat. Bull. sci. France Belgique 
Paris 55 1921 pp. 184-238 4 pis. 
10. — Bellissima, G. B. Flora e Fauna 
Latina nelle monete Consolari : Con- 
tribute alio studio della storia naturale 
presso i Romani con 56 figure. Parte 
Prima Introduzione e Flora. Atti acc. 
fisiocratici Siena ser. 8 11 1920 pp. 319- 
332. Parte Secundi Fauna T.c. pp. 333- 
347. 
11. — Berenberg-Gossler, H. von. Das 
Problem des Todes. Anat. Anz. Jena 
52 1919 pp. 97-115. 
12. — Berry, E. W. Paleontology : 
Its Contributions to Knowledge. 
Scientia Bologna 29 1921 pp. 263-274. 
13. — Bodina, J. H. Some factors 
influencing the catalase content of 
organisms. J. Exper. Zool. Phila- 
delphia 34 1921 pp. 143-148 3 figs. 
14. — Bohn, G. Une orientation 
nouvelle de la Biologie. Scientia 
Bologna 25 1919 pp. 371-380. 
15. — Boswell, P. G. H. Sedimenta- 
tion, environment and evolution in past 
ages. Proc. Trans. Liverpool Biol. 
Soc. 35 1921 pp. 5-28 3 figs. 
16. — Bottazzi, F. and Rignano, E. 
Le finalisme de la vie. Scientia 
Bologna 29 1921 pp. 23-40. 
17. — Brailsford-Robertson, T. La 
base chimique de la croissance et de la 
long4vite. Scientia Bologna 29 1921 
pp. 193-206. 
18. — Brumfiel, D. M. The animal 
ecology of Johnson County [Iowa]. 
Bull. Univ. Iowa 8 No. 1 1918 pp. 1-37 
23 pis. and maps. 
19. — Burge, W. E. and E. L. An 
explanation for the variations in the 
intensity of oxidation in the life-cycle 
[Leptinotarsa decemlineata ]. J. Exp. 
Zool. 32 1921 pp. 203-206 1 fig. 
20. — Busch, W. Ueber das Plankton 
der Kieler Fohrde im Jahre 1912-13. 
Wiss. Meeresuntersuch. Kiel 18 abt. 
Kiel. 1920 pp. 26-142 30 text-figs. 
