lix 



in life tLe fegraented interior end fuses v,ith the palatine 

 and thus disappears, a true joint being formed behind this, 

 the ptei'Tsro-palatine articulation. Thus^, the pterygoid of 

 adult modern Carlriutcs represents only the posterior portion 

 of that hone, the anterior portion having fused Aviih the 

 palatine. The matter Trill be dealt -with fully in a forth- 

 coming paper. 



Mr. C. F. UxDERwooD described four apparently nc^ 

 species of birds fi'ora Costa Rica and Guateniala : — 



TI^■A^]L"s sALvixi^ sp. n. 

 T. sinrllis T. fv.sdjjcnrn, sed nmlto mincr^ et secundariis 

 extiis i:allide rufo fasciatim uotatis : prffipectore et 

 pectore summo ohvascenti-griseis^ fulvo transfasciatis : 

 abdomine albicanti-fulvo^. distincte iiigro traiisfasciato. 

 Long. tot. 10-5 poll., culni. l']5, ahe 7-2. caudfe 2-0, 

 tarsi''2-0. 

 Hab. Carrillo, Costa Rica, Nov. 30, 1897 (C. F. L\). 



CHLOP.OSPlXGrS OLIVACEICEPS, Sp. U. 



C. similis C. camgiilari, Lafr., sed pileo olivaceo dorso con- 

 colore clistinguendus. Long. tot. 5"0 poll., culm. O'-lo, 

 alse 2'6, caudce 2"05, tarsi 0*75. 

 Hab. Carrillo, Costa Rica, Xov. 24, 1897 (C. F. U.), 



Icterus gualanensis, sp. n. 

 Similis L giravdi^ sed capitis nigredine usque ad occiput 

 estensa. Long. tot. 8"5 poll., culm. LO, alae 4-15, 

 caudae 4'1, tarsi I'l. 

 Hab. Gualan, Guatemala, July 11, 1897 [C. F. U.). 



PlCOLATTES SATURATIOR, SJJ. U. 



Similis P. compresso, sed minor, rostro minore nigricautiore, 

 notteo et gastiaeo saturatiore brunneis, raaculis longitu- 

 dinaiibus conspicue et latius nigro marginatis. Lo)ig. 

 tot. 7 poll., culm. 0"95, aire 3'5, caudse 3-15, tarsi 0'7. 

 Hah. Gualan, Guatemala, Aug. 18, 1897 (C. F. U.). 



Dr.'BovTDLER. Sharpe exhibited some specimens of birds 

 recently received by the British Museum from Mount Albert 

 EdAvard, in British Kevr Guinea. One of these appeared 



