214 KATIT^. 



A. 17. The greater portion of the shaft of a larger left tibio-tarsus ; 

 from a marsh in Madagascar. The transverse diameter 

 at the distal extremity of the fibular ridge is 0,070 ; the 

 corresponding dimension of the preceding specimen being 

 0,059. Presented h>j J. Porter, Es^i., 18S2. 



A. 81. Cast of the imperfect distal portion of the left tarso-metatar- 

 sus. The original, which is preserved in the Paris Museum, 

 is described and figured bj' Bianconi, op. cit. vol. iv. p. 87, 

 pis. xii., siii. The distal extremity of the second trochlea 

 is wanting. A specimen showing considerably more of 

 the shaft is figured by Milne-Edwards and Grandidier, oj). 

 cit. pis. XV., xvi. Purchased. 



A. 82. Cast of the imperfect distal portion of the right tarso-meta- 

 tarsus. The original, which is preserved in the Paris 

 Museum, was obtained with the preceding specimen, and 

 probably belonged to the same individual. Purchased. 



41847. An egg. This specimen measures 0,921 (36 inches) in its 



longest circumference and 0,768 (30'3 inches) in girth. It 

 is noticed by Capellini in the ' Mem. Ac. 1st. Eologna,' ser. 

 iv. vol. X. p. 16 (1889). Purchased, 1870. 



A. 18. Fragments of egg-shell belonging to this or the next species. 



Presented hy J. Porter, Esq., 1882. 



.Slpyornis medius, Milne-Edwards & Grandidier '. 



A provisional species founded upon a femur of somewhat smaller 

 size than that of the type species. 

 Hah. Madagascar. 



41848. An egg probably referable to this species; from a marsh. 



This specimen measures 0,774 (30*3 inches) in its longest 

 circumference, and 0,668 (26*3 inches) in girth. It is 

 noticed by Capellini in the ' Mem. Ac. 1st. Eologna,' ser. 

 iv. vol.x. p. 16 (1889). Purchased, 1870. 



A. 83. Plaster cast of an e^g of nearly the same size as the preceding. 

 The original is preserved in the Paris Museum. 



Purchased. 



' In Milne-Edwards's ' Eecherches sur la Faiine Oi-nithologique Eteinte des 

 lies Mascareignes et de Madagascar,' p. 97, note 2 (18GG-73). 



