370 



STRUCTURE AND CLASSIFICATION OF BIRDS 



MUEIE ('dermal and visceral structures'), 1 and myself 

 (syrinx and muscular anatomy). 2 Others, however, particu- 

 larly FUKBBINGEB and GAEROD, have contributed details of 

 importance to our knowledge of this bird. 



The powder-down patches, which were originally dis- 

 co'vered by BARTLETT, exist as scattered groups of feathers 

 of the kind ; there are not the regular patches found in the 



=:*. st 



FIG. 178. CERTAIN LEG MUSCLES OF Rliinoclietiis (AFTER BEDDAKD). 

 St, semitendinosus; A, its accessory ; Si, seniimembrauosus. 



near ally of Rhinochetus, Mesites. The oil gland is present 

 but nude. The feathers have an aftersliaft. There are 

 twelve rectrices. The pterylosis, imperfectly described by 



1 ' On the Dermal arrl Visceral Structure of the Kagu,' Zool. Trans, vii. 

 p. 465. 



- ' Contributions to the Anatomy of the Kagu,' P. Z. S. 1801, p. t). See also 

 W. MARSHALL, ' Quelques Observations sur la Splanchnologie de Rliino- 

 clietus jubatus,' Arch. Neerl. 1870, p. 402. 



