ON THE BURSA FABRICII IN BIRDS. 



on the histological structure and process of atrophy of the bursa I will 

 return after having briefly described the ordinary form and relations of 

 this organ in the birds I have examined. These are 90 in number ; and 

 of many of them I have examined more than one specimen. 



P. Z. 8.1877, 

 p. 307. 



PASSERES. 

 Oriolus galbula. 

 Garrulax chinensis. 

 Citta thalassina. 

 Fregilus graculus. 

 Amblyrhamphus Tiolosericeus. 

 Cissopis leveriana. 



COCCYGOMOEPHJE. 

 Podargus cuvieri. 

 Dacelo gigantea. 

 Colius castanonotus. 

 Momotus lessonii. 

 Merops, sp. 

 Megalcema, sp. 

 RhampTiastos ariel. 

 Pteroglossus wiedi. 

 Trogon puella. 

 Cuculus canorus. 

 Cacomantis, sp. 

 Chrysococcyx, sp. 

 Geococcyx affinis. 

 Guira piririgua. 



PSITTACI. 



Stringops habroptilus. 

 Psittcwus erithacus. 

 Pionus violaceus. 

 Tanygnaihus muelleri. 

 Pyrrhulopsis splendens. 

 Platycercus icterotis. 



ACCIPITEES. 



Gyparchus papa. 

 Buteo jackal. 

 Archibuteo lag&pus. 

 Geranoaetus aquila. 

 Spizaetus coronatus. 

 Haliaetus vocifer. 

 Strix flammea. 



STEGANOPODES. 

 Sula bassana. 

 Plotus anhinga. 

 Phalacrocorax carbo. 

 P. brasiliensis. 



HEEODIONES. 

 Ciconia alba. 

 C. boyciana. 



Abdimia sphenorhyncha. 

 Xenorliynchus australis. 

 Ibis falcinellus. 

 I. rubra. 

 Ardea cocoi. 

 Cancroma cochlearia 



PALAMEDE^E. 

 CTiauna derbiana. 



ANSEEES. 



Cygnus olor. 

 Tadorna rutila. 

 Fulica rufigula. 



COLUMB^;. 



Pterocles arenarius. 

 Phaps chalcoptera. 

 Goura coronata. 



Craoc sclateri. 

 Tetrao urogallus. 

 Lag opus scotlcus. 

 Ortyx virginianus. 

 Odontophorus guianensis. 

 Calllpepla gambeli. 

 Arboricola torqueola. 

 Caccabis cliukar. 

 C. melanocepliala. 

 C. saxatllis. 



