XXXVIU 



Gernis IV. NONNULA. 



Nonnula, Scl. P. Z. S. 1853, p. 134 



Type. 

 N. rubecula. 



Fig. 10. 



Nonnula rubecula. 



a. Bill, from side. h. Bill, from above, c. Wing-end, from within, d. Tail-end, from below. 



e. Left foot, from inside. 



Char. Gen. Eostrum Malacoptilcs sed magis rectum, tenue et elongatum, ad basin vix incrassatum ; alse 

 breviores; cauda elongatior; pedes debiliores. 



Of this most diminutive form of the whole family, five closely allied species may be distin- 

 guished as follows : — 



A. Pileo cineraceo, loris et reg. oculari albis, 



pectore rufescente \. N. rubecula, p. 133. 



pectore valde dilutiore 2. N. cineracea, p. 135. 



B. Pileo castaneo 3. -A^. ruficapilla, p. 137. 



C. Pileo rufescente^ in dorsi 



colorem transeunte 4. N. frontalis, -p. 139. 



D. Pileo brunneOj dorso concolori 5. N. brunnea, p. 141. 



