SQUAMATA. Rept. 19 
O. Jaekel, SB. Ges. naturf. Berlin 1903, pp. 27-46, figg., writes on the 
epiphysis and hypophysis. 
J. Chalande, Bull. Soc. hist. nat. Toulouse xx&vi, pp. 73-75, has made 
experiments oil the sense of orientation. 
On melanism in German Reptiles and Batrachians: Klunzinger, Jahresh. 
Yer. Wurttemb. lix, pp. 274-280. 
REPTILIA. 
H. F. Osborn, Mem. Amer. Ac. i, pp. 451-507, figg., and Science (2) xvii, 
p. 275, proposes to arrange the orders of Reptiles into two sub-classes : 
Synapsida , primarily with single, or united temporal arches, and 
giving rise to the Mammalia, and Diapsida , with double or separated 
temporal arches, and giving rise to the Birds. A new superorder, 
Diaptosauria , is instituted to embrace Protoromuria , Proganosauria , 
Procolophonia, Spkenodontina , Pelycosauria, Rhynckocephalia , Cho- 
ristodera , and Homceosauria. 
C. Rabl, Yerh. Anat. Ges. 1903, pp. 154-165, figg., has general remarks 
on the morphology of Reptiles. 
Yersluys, Tijdschr. Nederland. Dierk. Yer. (2) viii, pp. xxxii & xxxiii, 
remarks on the structure and development of the columella auris. 
F. BEguin, Arch. Sci. Nat. (4) xv, pp. 443-445, remarks on the digestive 
tract of Reptiles. 
E. Goppert, Morphol. Jahrb. xxxi, pp. 311-359, figg., pis. xii-xv, writes on 
the relation of the tongue with the secondary palate and the ductus 
naso-pharyngeus, in the respiratory movements. 
A. Grell, Morphol. Jahrb. xxxi, pp. 127-310, pis. vi-xi, has investigated 
the anatomy and development of the heart in Reptiles. 
J. Gross, Zool. Jahrb. Anat. xvii, pp. 763-788, pis. xxxv & xxxvi, writes 
on the optic chiasma of Reptiles. 
A Yoeltzkow, Abh. Senckenb. Ges. xxvii, pp. 165-177, pis. xxvi & xxvii, 
has a paper on the development of the epiphysis and paraphysis in 
Crocodiles and Chelonians. 
E. Ballowitz, Anat. Anz. Xxiii, pp. 281-284, remarks on certain phenomena 
in the impregnation of Reptilian ova. 
C. S. Brimley, Amer. Natural, xxxvii, pp. 261-266, remarks on the eggs of 
various North American Reptiles. 
R. L. Ditmars, Rep. New York Zool. Soc. 1902, pp. 145-153, has notes on 
keeping Reptiles in captivity. 
J. L. Langlois & J. Pellegrin, C.R. Soc. Biol, lv, pp. 875 & 876, remark 
on the thermal regulation of Reptiles. 
SQUAMATA. 
G. Saint- Rem y & A. Prenant, Arch. Biol, xx, pp. 145-209, pis. i-vi, have 
a memoir on the branchial derivatives, or glandular organs derived 
from the branchial clefts, in Lizards and Snakes. 
LACERTILIA. 
M. Philippson, Bull. Ac. Belgique 1903, pp. 161-165, figg.* has a pre- 
liminary note on the cells in the spinal chord of Lacertilia ( Lacerta 
and Anguis ). 
O. C. Bradley, Zool. Jahrb. Anat. xviii, pp. 475-488, pi. xliv, writes on 
the muscles of mastication and the movements of the skull in the 
Lacertilia. 
