494 Ri'ccnfjy puhlisficd Ornitholof/'tra] JVorks. 



tectricilms car])alil)us ot oubitjilihiis unicoloribus, argen- 

 too-aibis : rostro parvo, ^i-aoili. 

 Ad tl. Oxinn iiifcrioreni collectus. 



4. PJiusianvspersicus. Capitc et oollo metanioo viridibns, tor- 

 (liic milloj lit in P. colchico ; scd albediiio alarum, ut in P. 

 luonyolico ; pbiinis pectoris lanccolatis, toto bm])o, noii 

 solo a])irc, tciniissinie nigro marginatis ; cait. fere ut in 

 P. colchico, a quo alis ct pectore prtesci'tini dift'crt. 

 In sylvis Pcrsiaj borcalis, versus marc Caspium^ vicinitate 

 urbis Astrabad specimen unicum niilii notuin occisum, 

 nunc in mea collectionc. 



P.S. I liavc seen, in tbc collection of Mr. Gould, a speci- 

 men termed by liirn P. monyoUcus, wbicb has the same large 

 white collar, the same i)urplisli throat Avith rusty feather- 

 bases, widely difl'c.'rent fi-om P. semitorquatus, l)ut resembling 

 in the greenish general gloss and the wing-colour this last, 

 and not the typical P. monyolicus of the Syr, collected by 

 me in great numbers. This specimen of Mr. Gould's was 

 received from St. Petersburg, without indication of locality, 

 and looks, to my eyes, to be perhaps a hybrid between the two 

 races P. mongolicus and P. semitorquatus, which meet each 

 other near Lake Ebe-nor. 



Thus P. semitorquatus requires further study, as I do not 

 consider it definitely established from an examination of a 

 single specimen. The same remark perhaps applies to P. 

 persicus. 



But P. chrysomelas is a species resting on constant cha- 

 racters, as Seen by an examination of many specimens of both 

 sexes and all ages. 



XLVII. — Notices of recently 'published Ornithological Works. 



Though Dr. Coucs's 'Birds of the North-west '^ would 

 seem by its title to treat only of the birds of a limited though 

 extensive area of North America, it includes ornithological 



* Birds of tlie North-west : a haudbook of the OrnithologT of the region 

 drained by the Missonri River and its Tribntaries. l>y Elliott Cones, Cap- 

 tain and Assistant Snrgeou U.S. Array. 8vo, pp. 701. Washington: 1874. 



