EEPOET ON THE SPHENISCIDJE. 



191 



unacquaiuted. In every specimen of Penguin which I examined the bursa was perfectly- 

 empty. The subjoined table ^ gives the dimensions of the various portions of the great 

 intestine and bursa fabricii of different species in English inches. 



Specimen. 



Length of cseca. 



Length of great 



intestine from 



junction of ca;ca 



to anus. 



Length of 

 rectum. 



Diameter of 

 cloaca. 



Bursa fabricii. 



Eiidtjptes chrysocome, from Tristan d'Acunha. 



No. 1 ? 



No. 



n 



n 



n 



Two-tliirds the length of cloaca. 

 Broadly pyriform. Mucous 

 membrane thick, spongy, and 

 rugose. 



Half the length of the cloaca. 

 Pyriform. Mucous membrane 

 smooth, thin, and mthout 

 rugae. 



Eudyptes chrysocome, from the Falkland Islands. 



No. 1 i 



3i 



U 



u 



Equal in length to the cloaca. \ of 

 an inch in diameter throughout. 

 Mucous membrane thick but 

 smooth, and devoid of rugae. 

 Presents apertures of numerous 

 glandular follicles. 



Eudyptes chrysocome, from Kerguelen Island. 



No. 1 i 



No. 2 9 



."5 

 T 



n 



u 



Small and of equal diameter 

 throughout. Half the length 

 of the cloaca. Mucous mem- 

 brane perfectly smooth, thin, 

 and devoid of any appearance 

 of glands. 



Equal in length to the cloaca. 

 |- of an inch in diameter 

 throughout. Mucous mem- 

 brane perfectly smooth, thin, 

 and not glandular. 



' In this table the length of the anal passage is omitted, as being unimportant. Its dimensions can be readily 

 ascertained in each ease by deducting the length of the rectum, ■phis the diameter of the cloaca, from the length of the 

 great intestine, measured from the point of junction of the cseca to the anus. 



