Embryos and Nestlings of Centropus sinensis. 

 Fig. 3. 



659 



't.ma/r 



Dorsal aspect of the right wing of the nestling Centropus siiieJisis, 

 Stage 2, to show the positions of the developing coverts and remiges. 

 The wing is eutaxic. 



Ex2ilanatiun of the lettering, 

 t. mar. = tectrices marginales. 

 t. min. = ,, minores. 

 t.med. = „ mediae. 

 t.maj. = ,, niajores. 

 al. sp. = ala spuria. 

 c. c. = carpal covert. 

 c. r. = „ remex. 

 par. = parapteron. 

 cub. = cuhitals or secondaries. 

 mc. d. = metacarpo-digitals or primaries. 

 1. 2. 3-10 = 

 1.2. 3-12 = cubitals 1-12. 



7 = 7th major covert. 



The following somewhat tabular statement will, when 

 taken in conjunction with the diagram, best represent the 

 arrangement of the tract : — 



Outer Aspect. 



Matius. 



Primaries. 10. The 4th to the 7tli are the largest. 



Tect. majores. 10. 



Tect. medise. 4 only — viz., the 3rd to the 6th of the series. 



These are not present in Stage 1. 



Tect. minores. i 



T, . • , As vet unrepresented. 



Ject. marginales. | ■ ^ 



