27 Mam. 
Titles. 
6000 
Watson, D. M. S. The Monotreme 
skull : a contribution to mammalian 
morphogenesis. London Phil. Trans. 
R. Soc. B. 207 1916 (311-374) pis. 
23-25. 512 
Watt, H. 13. The American Grey 
Squirrel in Britain. Field London 
June 12 1915. 513 
Wettstein, 0. v. Neue Gerbillinae 
aus Nordostafrika. Anz. Ak. Wiss. 
Wien 53 1916 (151-154). 514 
Wettstein, Otto v. Neue Nager und 
oin noucr Klippschliofor aus Kordofan. 
Anz. Ak. Wiss. Wion. 53 1916 (160-163). 
515 
Wettstein, O. v. Neue Affon und 
Fledermause aus Nordostafrika. Anz. 
Ak. Wiss. Wien 53 1916 (189-192). 
516 
Whiting, P. W. A new color variety 
of the Norway Rat. Science New York 
N.Y. 43 1916 (781). 517 
Wodsedalek, J. E. Causes of Sterility 
in the Mule. Biol. Bull. Woods Holo 
30 1916 (1). 518 
Wolffsohn, J. A. Resena de los 
trabajos publicados desde 1895 por 
autores nacionales y extranjeros so ore 
la mamalogia chilena. (Review of 
works on Chilian mammalogy pub- 
lished since 1895 by Chilian and foreign 
authors). Santiago Act. Soc. Chili 23 
1916 (57-79). 519 
Wolffsohn, J. A. Description of a 
new rodent from Central Chili. Rev. 
chilena Valparaiso 1916 (5-6). 520 
Woodward, A. Smith. On a mamma- 
lian mandible ( Cimolestes cutleri) from 
an upper Cretaceous formation in 
Alberta, Canada. London Proc. Zool. 
Soc. 1916 1916 (525-528) text-fig. 521 
Wreidt, C. Correlation botween the 
size of a cannon bone in the offspring 
and the age of the parents. J. agric. 
Res. Washington D.C. 7 1916 (361). 
522 
Wright, F. S. The mammalian fauna 
of North Cardiganshire, with notes 
on certain peculiarities and rare species. 
Zoologist London 1916 1916 (321). 523 
Wright, S. vide Castle, W. E. 
Wroughton, R. C. Bombay Natural 
History Society’s Mammal Survey of 
India, Burma and Ceylon. Report No. 
20. Chindwin River. Bombay J. Nat. 
Hist. Soc. 24 1916 (291-309). 524 
Wroughton, R. C. Bombay Natural 
History Society’s Mammal Survey 
of India, Burma and Ceylon. Report 
No. 21. Gwalior. Bombay J. Nat. 
Hist. Soc. 24 1916 (309-311). 525 
Wroughton, R. C. Bombay Natural 
History Society’s Mammal Survey of 
India, Burma and Ceylon. Report No. 
22. Koyna Valley. Bombay J. Nat. 
Hist. Soc. 24 1916 (311-316). 526 
Wroughton, R. C. Bombay Natural 
History Society’s Mammal Survey of 
India, Burma and Ceylon. Report No. 
23. Sikkim and Bengal Terai. Bombay 
J. Nat. Hist. Soc. 24 1916 (468-493) 
Map. 527 
Wroughton, R. C. Bombay Natural 
History Society’s Mammal Survey of 
India, Burma and Ceylon. Report No. 
24. Sind. Bombay J. Nat. Hist. Soc. 
24 1916 (749-758). 528 
Wroughton, R. C. Bombay Natural 
History Society’s Mammal Survey of 
India, Burma and Ceylon. Roport No. 
25. Chin Hills. Bombay J. Nat. Hist. 
Soc. 24 1916 (758-773). 529 
Wroughton, R. C. Bombay Natural 
History Society’s Mammal Survey of 
India, Burma and Ceylon. Report No. 
26. Darjiling District. Bombay J. 
Nat. Hist. Soc. 24 1916 (773-782). 530 
Wroughton, R. C .vide Robinson, H. C. 
Wroughton, R. C. vide Thomas, O. 
Yerkes, R. M. Maternal instinct in 
a monkey. J. Anim. Behav. Boston 5 
1915 (403-405). 531 
Yerkes, R. M. Provision for the 
study of monkeys and apes. Science 
New York N.Y. 43 1916 (231-234). 
532 
Yerkes, R. M. Ideational behaviour 
of monkeys and apes. Washington 
D.C. Proc. Acad. Sci. 2 1916 (639- 
642). 533 
Yerkes, R. M. and Coburn, C. A. 
A study of the behaviour of the pig 
Susscrofa by the multiple choico method. 
J. Anim. Bohav. Boston 5 1915 (186— 
225) figs. 1-2. 534 
[Zenkevifi, K.] BonKeBHWL, K. Kt> 
Bonpocy 061, ypoflCTBOxi. h arioMajiiflx r b 
y KpynHaro pouaiaro ckotb. [Ein Beit- 
rag zu den Misbildungen mit Ano- 
malien der grossen Homviehrassen.] 
