462 Recently published Ornithological Works. 



Ptyrticus turdinus, Salpornis emini, &c.) ; but we now have 

 further Pentholaa bauds, Mirafra bucolica, and Sitagra pel- 

 zelni described as new. Four plates are given, illustrating 

 Ptyrticus turdinus, Xenocichla orientalis, u^githalus parvulus , 

 Crateropvs tenebrosus, Habropyga nonnula, Lagonosticta oeno- 

 chroa, Pentholcea clericalis ad. et jr., Sitagra peLelni ad. et 

 jr., and Symplectes crocatus. Several essays are introduced 

 on the different species of Wryneck {lynx) and on the 

 African ^githali. Of the latter Dr. Hartlaub recognizes 

 seven species, and takes occasion to remark on the imperfect 

 treatment of this genus in the seventh volume of the British 

 Museum ' Catalogue,^ where Dr. Gadow is said to have 

 united three or four distinct species under /Egithalus capensis. 



100. Lawrence on new Neotropical Birds. 



[Descriptions of new Species of Birds of the Families Sijlviidce, Troglo- 

 (hjtidoi, and Tyrannidce. Ann. New York Acad, of Sci. vol. iv, p. 66.] 



The species described are : — Regulus satrapa aztecus, from 

 the city of Mexico, smaller, with longer and larger bill and 

 darker coloration than true P. satrapa; Troglodytes bra- 

 chyurus, from Tenax, Yucatan, akin to T. intermedius ; and 

 Octhoeca flaviventris, from South America (precise locality 

 unknown), nearest to 0. gratiosa, Sclater. 



101. Lorenz on the Birds of the Caucasus. 



[Beitrag zur Kenntniss der ornithologischen Fauna an der Nordseite 

 des Kaukasus. Von Th. Lorenz. Sm. folio. Moscow : 1887.] 



This memoir gives an account of the collections and obser- 

 vations made by Herr. Th. Lorenz during three visits to the 

 northern slopes of the Caucasus in 1882 and the following 

 years. On the former the author only reached the steppes at 

 the foot of the mountains, but in the two following years he 

 passed his time in the higher regions, making his head- 

 quarters at Kislowodsk, which he reached by the Vladi- 

 kafkas Railway and by road through Patigorsk. After a 

 general account of the district explored and the birds met 

 with, a systematic essay follows on the 161 species of which 



