[1922] 
XVI. Mammalia. 
Mam . 21 
435. — Osborn, H. F. Hesperopilhe- 
ctis, the first anthropoid primate found 
in America. Amer. Mus. Novit. New 
York no. 37 1922 pp. 1-5 3 figs. 
436. — Osborn, H. F. Species of 
American Pleistocene Mammoths. 
Elephas jeffersonii new species. Amer. 
Mus. Novit. New York no. 41 1922 pp. 
1-15 12 figs. 
437. — Osborn, H. F. Dibelodon 
edensis (Frick) of Southern California, 
Miomastodon of the middle Miocene, 
new genus. Amer. Mus. Novit. New 
York No. 49 1922 pp. 1-14 1 fig. 
438. — Osborn, H. F. Evolution, 
phylogeny and classification of the 
Mastodontoidea. Bui. Geol. Soc. 
Amer. New York 33 1921 pp. 327- 
332. 
439. — Osborn, H. F. Pliocene (ter- 
tiary) and early pleistocene (quatern- 
ary) Mammalia of East Anglia, Great 
Britain, in relation to the appearance 
of Man. Geol. Mag. London 59 1922 
pp. 433-441. 
440. — Osborn, H. F. Ilesperopithe- 
cus, the anthropoid Primate of Western, 
Nebraska. Nature London 110 1922 
pp. 281-383 2 figs. 
441. — Osborn, H. F. and Anthony, 
H. E. Close of the age of Mammals. 
J. Mammal, Baltimore 3 1922 pp. 219- 
237. 
442. — Painter, T. S. Studies in 
mammalian spermatogenesis. I. The 
spermatogenesis of the Opossum ( Didel - 
phis virginiana). J. Exp. Zool. Phil- 
adelphia 35 1922 pp. 13-44 3 pis. 8 
text-figs. 
443. — Painter, T. S. The sex 
chromosomes of the Monkey. Science, 
New York 56 1922 pp. 280-287 1 fig. 
444. — Panisset, L. et Verge, J. Sur 
1’existence des groupes sanguins chez 
les animaux. C.R. Soc. biol. Paris 87 
1922 pp. 870-872. 
445. — Pap, E. tlber Vererbung von 
Farbe und Zeichnung bei dem Kani li- 
chen. Zs. indukt. Abstammgslehro 26 
1921 pp. 185-270 20 figs. 
— 446. — Parker, G. H. The breathing 
of tfyo, Florida Manatee ( Trichechus 
latirostris). J. Mammal. Baltimore 3 
1922 pp. 127-135. 
447. — Parks, H. E. The genus 
Neotoma in the Santa Cruz Mountains. 
J. Mammal. Baltimore 3 1922 pp. 
241-253. 
448. — Paulli, S. Ein Os rostri bei 
Bos taurus. Anat. Anz. Jena 56 1922 
pp. 249-252 6 figs. 
449. _Peter, K. Betrachtungen 
iiber die Furchung und die Dotten- 
verarbeitung bei den Wirbeltieren. 
Zs. ges. Anat. Miinchen Abt. I 63 1922 
pp. 495-538. 
Petersen, B. vide Boas. 
450. — Petersen, G. Untersuchugen 
fiber das Fussskelett de3 Rindes. 
Morph. Jahrb. Leipzig 51 1921 pp. 291-~ 
337 53 figs. 
451. — Petronievics, B. Note on root' 
division in the molar teeth of Trity -• 
lodon. Ann. Mag. N, H. London (9) 
10 1922 pp. 216-217 1 fig. 
452. — P6zard, A. et Caridroit, F. 
L’action de Fhormone testiculaire sur 
la valenco relative des facteurs a!16- 
lomorphes chez les Ovins (Dorset X 
Suffolk). C.R. Acad. Sci. Paris 175 1922 
pp. 1099-1102. 
453. — Pfizenmayr, E. W. Bastar- 
dierungen von Cavicorniern inTranskau- 
kasien. SitzBer. Ges. natf. Freunde 
Berlin 1920 pp. 154-167 3 pis. 
454. — Pfuhl, M. tjber den Bau und 
die Gefassbeziehungen der Lappchen 
in der Schweineleber. Verh. Anat. 
Gesells. Jena 54 1921 pp. 115-119 1 
fig- 
455. — Pfuhl, W. Uber die Form und 
die Gefassbeziehungen der Leber - 
lfippchen beim Schweine. Zs. ges. 
Anat. Miinchen Abt. I 62 1921 pp. 153- 
170 11 figs. 
456. — Phillips, W. W. A. Notes on 
the habits of some Ceylon Bats. J. 
Bombay N. H. Soc. 28 1922 pp. 448- 
452. 
457. — Piaz, B. G. dal. L’Alce nel 
Quaternario del Veneto. Mem. Inst, 
geol. Univ. Padova 6 1922 pp. 1-7 1 pi. 
458. — Pictet, A. et Ferrero, A. 
IIer6dite de la panachuro choz les 
Cobay es agoutis. Arch. Sci. Phys. 
Geneve (5) 4 1922 pp. 35-38. 
