230 MR. W. P. PYCRAFT ON THE 



Ft. colli dorsalis. — Vertical and lateral neck-folds moderately well developed. No 

 retractor muscle. 



Ft. sinnalis. — Branches of the interscapular fork arising- at the commencement of the 

 interscapular region ; arms long, hut not extending to the end of the scapula. 



Branches of the lumhar fork arising about midway between the anterior end of the 

 ilium and the region over the acetabulum, running forwards to embrace the ends of the 

 interscapular fork, and terminate over the proximal f of the free end of the scapular. 

 Stem forked posteriorly, branches widely divergent, terminating some distance to the 

 outer side of the oil-gland. 



Pt.ventralis. — Outer branch strongly developed, arising at the summit of the shoulder. 

 Median branch broad, very strong, with an upward trend at its free end, where it gives 

 off the " hook." Inner branch wide, not sharply defined at its upper end ; the breast 

 between the median branch and the carina being almost continuously feathered. 



Pt. humeraUs not continued forwards to johi the Ft. ventrcdis. 



Ft.femoralls. — The femoro-crural band terminating on the crus some distance below 

 the knee. 



Pt. cruralis. — Continued downwards on the acrotarsium and terminating on the acro- 

 pcdium. The base of the ungual phalanx clothed with scales. Proximal end of the 

 planta bare. 



Bubo virginianus, Sw. & Rich. 

 Pt. capitis : — 



Parietal are a. — " Ear "-tufts very distinct, the stumps of the feathers appreciably 

 larger than those of the neighbouring feathers. They are seven in number, arranged to 

 form a longitudinal row, the inner border of which is bounded by a large lenticular 

 apterium. 



Loreal are a. — Upper limb not continued vipwards beyond the level of the anterior 

 corner of the eyelid. 



Circum aural area. — Preaural fold feebly developed, a double row of feathers 

 along its free edges ; a broad apterium separating these from the ocular area. 



Postaural fold.- — The convergent feathers along the fi'ec edge of the postaural 

 fold meeting near its middle. The feathers behind the free edge arranged in the form of 

 a triangular patch. Peripheral disc-feathers arising on the crown of the head just behind 

 the eye, terminating on the mandibular area. 



Mandibular area. — Extending beyond the articular end of the mandible, very 

 broad, at the level of the gape turning sharply inwards to merge with the feathers of the 

 interramal area. 



Inter ramal area. — Very broad, at the level of the gape merging with the ramal ai*ea. 



Apterium colli laterale. — Extending on to the postaural fold and skirting the 

 articular area of the lower jaw. Passing Ijehind the triangular patch of the postaural 

 fold iipwards, it attains the level of its superior angle, but is cut off by a broad band of 

 feathers from the lenticular apteria to the inner side of tlie " ear "-tufts. 



