1905.] THE SECRETARY OX ADDITIOXS TO THE MEXAGERIE. 489 



In any case the tracheal lung does not exist in Amphishcena 

 brasiliana. The trachea opens into the lung some way behind 

 the heart, and is only continued into the lung for a very short 

 way. The short portion of the trachea which lies within the 

 lung shows an irregularity in the cartilaginous rings, which are 

 no longer uniform hoops. The rudimentary right lung is exactly 

 half an inch long, and, like the long left lung, extends for a short 

 way in front of the entrance of the trachea. The left lung 

 reaches down the body as far as the end of the liver. Of the 

 lung of Afnphisbcena (presumably the STpecies fidiginosa) Dr. Wie- 

 dersheim writes in the same work (refei"red to in footnote) : 

 " Die Lunge, deren interessantes Yerhalten zur Trachea ich 

 friiher schon erwahnt habe, ist insofern hoher entwickelt als 

 diejenige der Lacertilier, als es kein einheitliches centrales Lumen 

 mehr besitzt, sondern von eineni feinen Balkchennetz durch- 

 flochten ist." The lung, in fact, of that species would appear to 

 resemble that of higher Reptiles, such as the Crocodilia. In 

 Amphisbcena brasiliana there is nothing of the kind to be seen. 

 The lung is a siixiple sac as in Lizards generally. It has not, 

 indeed, even traces of a more complex structure, such as are to 

 be found in many Lacertilia. The walls show the usual honey- 

 comb appearance, and they are fairly thick, which would seem to 

 allow of a considerable inflation of the lung. These important 

 differences between two species placed in the same genus would 

 .seem to suggest that the genera of Amphisbeenida? need revision. 

 They are remarkably analogous, as I have observed, to the difi'er- 

 ences which distinguish the Hamadryad Snake from the Cobra ; 

 and these two are by many authorities confounded in one 

 genus *. 



December 12, 1905. 

 Howard Saunders, Esq., Yice- President, in the Chan-. 



The Secretary read the following report on the additions that 

 had been made to the Society's Menagerie in November 1905 : — 



The number of registered additions to the Society's Menagerie 

 during the month of November was 147, of which 64 were by 

 presentation, 24 by birth, 9 by purchase, 35 were received on 

 deposit and 15 in exchange. The number of departures dm'ing 

 the same period, by death and removals, was 166. 



Amongst the additions attention may be called to : — 



An Abyssinian Guereza {Colobus ahyssinicus matschiei) and a 

 White-tailed Mongoose {Herpestes albicauda) from the Upper 

 Nile, presented by Mr. J. J. Harrison, on Nov. 3rd. 



A Water- Chevrotain i^Dorcalherium aquaticimi) fi'om Liberia, 



* See Beddard, " On the Trachea &c. of the Hamadryad," P. Z. S. 1903, vol. ii. 

 p. 319. 



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