6 Rept. 
XVI. Reptilia and Batrachia 
[1917J 
Rao, C. R. N. On the occurrence of 
iridocytes in the larva of Microhyla 
inornata Bouleng. Rec. Ind. Mus. 
Calcutta 13 1917 (281-292). 89 
Redfield, A. C. The reactions of the 
melanophores of the Horned Toad. 
Washington Proc. Acad. Sci. 3 1917 
(202-203). 90 
Redd eld, A. C. The co-ordination of 
the melanophore reactions of the 
Horned Toad. Washington Proc. Acad. 
Sci. 3 1917 (204-205). 91 
Retterer, E. He l’ossification en- 
chondrale chez le Triton. Paris C.R. 
Soc. Biol. 1917 (291-294). 92 
Risser, J. Olfactory reactions in am- 
phibians. J. Exp. Zool. Philadelphia 
16 1914 (617-652). 93 
Rooy, N. de. The Reptiles of the 
Indo -Australian Archipelago. II. 
Ophidia. Leiden (E. J. Brill) 1917 (334 
pp.). 94 
Ruth, E. S. and Gibson, R. B. Dis- 
appearance of the pigment in the 
melanophore of Philippine House 
Lizards. Philippine J. Sci. Manila 
Sect. B. 12 1917 (181-188). 95 
Ruthven, A. G. Description of a 
new species of Eleutherodactylus from 
Colombia. Ann. Arbor. Occ. Pap. Mus. 
Zool. Univ. Michigan 34 1917 (4 pp.) 
1 pi. 96 
Ruthven, A. G. Two new species of 
Eleutherodactylus from Colombia. Ann. 
Arbor. Occ. Pap. Mus. Zool. Univ. 
Michigan 39 1917 (6 pp.) 1 pi. 97 
Ruthven, A. G. A new Amphibian 
of the genus Eleutherodactylus from 
the Santa Marta Mountains, Colombia. 
Ann. Arbor. Occ. Pap. Mus. Zool. 
Univ. Michigan 43 1917 (3 pp.) 1 pi. 98 
Ruthven, A. G. On the occurrence 
of Bufo fowleri in Michigan. Ann. 
Arbor. Occ. Pap. Mus. Zool. Univ. 
Michigan 47 1917 (5 pp.) 1 pi. 
Ruzicka, V. Beschleunigung der 
Hautung (bei Tritonen) durch Hunger. 
Arch. Entw. Mech. Leipzig 1917 (40 
pp.) 1 pi. 100 
Ry van Beest Holle, Ch. L. du. 
Mededeeling over eenige afwykingen 
in het veneuse stelsel van en over 
abnormale ovariaalvorming by Rana 
esculenta. [Mitteilung iiber einige 
Abweichungen im venosen System von 
und iiber abnorme Ovarialbildung bei 
Rana esculenta .] Helder Tydschr. Ned. 
Dierk. Ver. 16 (Ser. 2) 1917 (XIX-XX). 
101 
Schmalhausen, J. On the dermal 
bones of the shoulder-girdle of the 
Amphibia. Rev. Zool. Russe Moscou 2 
19f7 (102-110). 102 
Schmalhausen, J. On the extremi- 
ties of Ranidens sibiricus Kessler. 
Rev. Zool. Russe Moscou 2 1917 (129- 
135). 103 
Schmidt, W. J. Studien am Integu- 
ment der Reptilien. VII. Bau und 
Entwicklung der Eidechsenkrallen. 
Zool. Jahrb. Jena 1916 (100 pp.) 5 pis. 
104 
Schmidt, W. Studien am Integu- 
ment der Reptilien. Ueber die Haut der 
Acrochordinen. Zool. Jahrb. Jena 1917 
(48 pp.) 2 pis. 105 
Shuler, E. W. Dinosaur Tracks in 
the Glen Rose Limestone, Texas. 
Amer. J. Sci. New Haven 44 1917 (294- 
298). 106 
Sinclair, W. J. A new labyrinthodont 
from the Triassic of Pensyl vania. 
Amer. J. Sci. New Haven Conn. 43 
1917 (319-321). 107 
Smith, B. G. Notes on the late 
history of the germinal vesicle in 
Cryptobranchus allegheniensis. Rep. 
Mich. Acad. Sci. Lansing 17 1916 (73- 
75). 108 
Smith, B. G. The process of ovula- 
tion in Amphibia. Rep. Mich. Acad. 
Sci. Lansing 18 1916 (102-105). 109 
Smith, M. A. Description of new 
Reptiles and a new Batrachian from 
Siam. J. Nat. Hist. Soc. Siam 2 1917 
(221-225). 110 
Smith, M. A. A list of theBatrachians 
at present known to inhabit Siam. J. 
Nat. Hist. Soc. Siam 2 1917 (226-231) 
(256). Ill 
Smith, M. A. Preliminary diagnoses 
of four new Sea-Snakes. J. Nat. Hist. 
Soc. Siam 2 1917 (340-342). 112 
Smith, M. A. On Tadpoles from Siam. 
J. Nat. Hist. Soc. Siam 2 1917 (261- 
281) 2 pis. 113 
Smith, M. A. A new Snake and a new 
Prog from Siam. J. Nat. Hist. Soc. 
Siam 2 1917 (276-278). 114 
