730 



PROF. G. B. HOWES OK THE RESPIBATOET [DeC. 5, 



This, so far as I know, is the first example of this most interest- 

 ing species of Wild Goat that has reached Europe alive\ 



'^ 4. 



Capra caucasica, $ . 



Prof. G. B. Howes exhibited the heads of two Lampreys and a 

 Hag showing some remarkable variations of the respiratory organs, 

 and made the following statements concerning them : — 



Huxley in 1876 demonstrated" the existence in the adult 

 Lamprey of " a depression behind each of the pharyngeal vela "... 

 which he conceived "to be the remains of the hyoidean cleft which 

 opens externally in the Ammocoete ; " Scott ^, Dohrn *, Parker % 

 and Shipley" have confirmed this, except that they have confessed 

 themselves unable to detect the presence of its alleged external 

 orifice. Parker in 1883 recorded, on the authority of Prof. 

 Weldon'', the observation of " seven pairs of pouches " in indi- 



^ On this species and its allies, Capra cylindriconiis and C. severtzowi, see 

 Dr. Menzbier's remarks, P. Z. S. 1887, p. 618. 



2 Journ. Anat. & Phys. vol. x. p. 420. 



3 Morph. Jahrb. Bd. vii. p. 142. 



•» NajDles Mittheilungen, Bd. vi. p. 56. 



' Phil. Tr. 1883, part ii. p. 446. 



'■ Q. J. M. S. vol. xsvii. p. 349. 



' Loc. cit. p. 384. My friend Prof. Weldon informs me that his specimen 

 "had seven complete gills on the right side and seven plus a ductus on the left." 

 It has been lost, but a figure and description of it are to apjiear in Mr. W. 

 Batesnn's forthcoming work on Variation. — G. B. H. 



