REPTILIA. 
117 
Langer, C. Uebcr das Lympligefasssystem (Ics Frosclics. III. 
Die Lympligefasse im Schwanze der Batrachier-Larven. 
Sitzgsber. Ak. Wiss. Wieiij 1868, Iviii. pp. 198-210, -with 
a plate. [On the system of lymph-vessels of the Frog. III. 
The lymph-vessels in the tail of the tadpoles.] 
Leydig, F. Ueher Organe eines sechsten Sinnes. Zugleich 
als Beitrag zur Kenntniss des feineren Banes der Plant 
hei Amphihicn nnd Reptilien. Nov. Aet. Leopold, xxxiv. 
1868, pp. 108, with five plates. [On the organs of a sixth 
sense. A contrihntion to the knowledge of the minnte 
strnctnre of the entis in Amphibians and Reptiles.] 
■ . Ueher die Schleichenlnrche {CcccUide). Ein Beitrag znr 
anatomischen Kenntniss der Amphibien. Zeitschr. wiss. 
Zool. 1868, pp. 280-300, with two plates. 
Lunel, G. Sur deux cas de Polymelie (Memhres surnume- 
raires) observes chez la Rana viridis sen esculenta (L.). 
Mem. Soc. Phys. et Hist. Nat. Geneve, 1868, xix. pp. 305- 
312, with a plate. 
See on the same suhjeet, Dumkril, A., Zool. Record, hi. 
p. 119. 
Miklucho-Maclay. Beitrag zur vergleichenden Anatomic des 
Gehirns. Jena. Zeitschr. 1868, iv. pp. 553-569, with wood- 
cuts. [Contribution to the comparative anatomy of the 
Brain.] 
Parker, W. K. A Monograph of the Structure and Develop- 
ment of the Shoulder- girdle and Sternum in the Verte- 
brata. London, 1868, 4to, p. 237, with thirty plates. 
Published by the Ray Society. 
Peters, W. Ueher die Gehorknochelchen und den MeckeFschen 
Knorpel bei den Crocodilen. Monatsber. Ak. AViss. Berlin, 
1868, pp. 592-598. [On the auditory ossicles and MeckeFs 
cartilage in Crocodilians.] 
Plateau, F. Sur la vision des Poissons ct des Amphibics. 
Mem. Cour. Ac. Roy. Belg. xxxiii. p. 45, with a plate. 
Ruedinger, — . Die Muskeln der vordern Extremitaten der 
Reptilien und Vogel. Haarlem, 1868, 4to, with fifteen 
plates. 
General Notes and FAUNiE. 
Prof. Peters has found further evidence in confirmation of 
the view that the os tympanicum of Mammals, and not the malleus 
and incus j is homologous with the os quadratum of Birds and 
Reptiles (see Zool. Record, iv. p. 40). He describes the condi- 
tion and extent of MeckeFs cartilage in very young and embry- 
onic Crocodilians ; it is continued into a dilated lamina, which 
is the malleus. The same connexion between the tympanic 
