Mr. J. Gould on new species of Humming Birds. 493 



in the centre, and two series of much elongated curved slits on each 

 side, near the margin, as in the figure. 



Fis. 1, 



Fig. 2. 



Fig. 1. Side view of the pelvis, with the inside of the attached posterior disk. 

 Fig. 2. The inside of the posterior disk, showing the position of the places of 



attachment. 

 Fig. 3. The outer side of the posterior disk, showing the form and position of the 



perforations. 



Professor Owen informs me that a somewhat similar adhesion of 

 the skeleton to the dermal system is to be observed in the Ghjpto- 

 don, and also in some of the fossil xlrmadilloes of the older strata. 



January 27, 1857. — Dr. Gray, F.R.S., in the Chair. 



Descriptions of Three New Species of the Genus 



Phaethornis, Family Trochilid^. 



By John Gould, F.R.S., etc. 



Phaethornis viridicau data. 



Stripe over and behind the eye light buff ; crown of the head, 

 upper surface and wing-coverts bronzy grass-green, duller on the 

 head ; wings purplish brown ; tail-feathers bronzy grass-green at 

 the base, passing into dark brown towards the extremity, the cen- 



