754 Recently published Ornithological Works. 



axillaris) ; Rhoporchilus (type Formicivora speciosa) ; Myrm- 

 orchilvs (type Myiothera strigilata) ; Myrmoderus (type 

 Myiothera toricata); Phcenostictus (type Phlegopsis macclean- 

 nani); Hylophylax (type Conopophaga ncevioides) ; Oropezus 

 (type Grallaria rufula) ; and Hylopezus (type Grullaria 

 perspicillatd). 



The 7 new genera of Furnariidae are Premnornis (type 

 Margarornis guttata) ; Drioctistes (type Thripophaga 

 sclatcri) ; Phaceloscenus (type Anumhius striatocollis) ; 

 Schreniophylax (type Sylvia phrygonophila) ; Acrorchilas 

 (type Synallaxis erythrops) ; Hyloctistes (type Philydor 

 virgatus) ; and Rhopoctites (type Philydor rvfo-brunneus). 



The 11 new species and subspecies are named Automolus 

 cervinigularis hypophmis (Costa Rica) ; Acrorchilos erythrops 

 griseigularis (Colombia) ; Synallaxis albescens In/poleuca 

 (Panama) ; Dendrocolaptes validus costaricensis (Costa Hica) ; 

 Xiphorhynchus flavigaster yucatanensis (Yucatan); X.puncti- 

 gula insolitus (Panama) ; X. lacrymosus rostratus (Colombia) ; 

 Picolaptes affinis neglectus (Costa Rica) ; Campylorhamphus 

 chapmani (S. America) ; Myrmeciza zeledoni (Costa Rica) ; 

 and M. berlepschi (Ecuador). 



Here we have, we suppose, diagnoses of the new genera, 

 species, and subspecies introduced by Mr. Ridgway in the 

 fifth volume of his great work on the Birds of North and 

 Middle America, upon the preparation of which he is now 

 engaged. The fourth volume was published in 1907 (see 

 'Ibis/ 1908, p. 190). 



102. Ridgway on new Forms of Cypselidae and Trochilichc. 



[Diagnoses of new Forms ofMicropoclida) and Trochilidse. By Robert 

 Ridgway. Proc. Biol. Soc. Washington, xxiii. p. 53.] 



The new genus and the ten new species and subspecies of 

 [Swifts and Humming-birds are named as follows: — Neso/)hlox f 

 gen. nov. (type Trochilus evelynm) ; Streptoprocne zonaris 

 mexicana (Mexico) ; Chatura richmo?idi (Costa Rica) ; 

 Cypseloides niger jamaicensis (Jamaica) ; C. n. costaricensis 

 (Costa Rica) ; Phaethornis longirostris vera-crucis (Vera 

 Cruz) ; P. adolphi saturatus (Guatemala to Panama) ; 



