192 LAGOrUS CINEREUS. 



of many en the head and neck are broadly barred with yellow 

 and blackish-grey. The shafts of the primary quills are blackish- 

 brown, and some small spots of the same are sprinkled on the 

 webs in their vicinity. The tail-feathers are browniish-black, 

 their tips wdiite, their bases more or less mottled with white ; 

 the two middle feathers variegated with yellow disposed in 

 transverse undulating bands on a deep brown ground. 



The oesophagus is six inches long, its average diameter threc- 

 tw^elfths ; the proventriculus bulbiform, its greatest diameter 

 five -twelfths. The crop wdien dilated has a diameter of about 

 three inches. The gizzard is an inch and ten-tw^elfths long, 

 an inch and two-twelfths in breadth ; one inch in thickness. 

 The intestine is forty-two and a half inches long ; the rectum 

 beine: five and a half. The average diameter of the duodenal 

 part of the intestine is five-twelfths ; its smallest diameter near 

 the ca3ca, one-fourth. The coeca, which are twenty-eight inches 

 long, are about a fourth of an inch in diameter at their com- 

 mencement, but in the rest of their extent eight-twelfths. 

 They are marked internally with seven longitudinal rugae or 

 prominent lines. Internally the intestine is villous and even ; 

 but, about two inches above the coeca, covered with short flat- 

 tened prominences. The rectum in its upper part is glandular, 

 and its surface abundantly covered with mucus. 



Length to end of tail 141 inches ; extent of wings 23 ; wing 

 from flexure 7i ; tail 4i ; bill along the back |, along the 

 edge of lower mandible /^ ; tarsus li ; first toe Z^, its claw 

 4i twelfths ; second toe j%, its claw j% ; third toe 1, its claw 

 7i twelfths; fourth toe i\, its claw j%. 



Two remarkably beautiful females from Banftshire, examined 

 on the 16th December, had the plumage white, most deli- 

 cately tinted with rose-colour. In one, a few of the scapulars 

 had some irregular dark marks ; but the loral space was pure 

 white. The shafts of the primary quills brown ; the tail- 

 feathers white at the base for one-third of their length, the rest 

 of their extent black, excepting the tips, which were white ; the 

 two middle feathers minutely undulated and dotted with grey 

 and reddish-brown. 



In the other the colour was similar, but there were a few 



