19 
4. THAMNOPHILUS MELANONOTUS. (PI. LXXX.) 
Niger ; interscapularibus albo mixtis ; dorso postico cinereo ; ab- 
domine cinerascenti-albo ; alis nigris albo marginatis; cauda 
nigra, rectricibus omnibus apice et extima utrinque laterali 
etiam pogonio externo medio albo maculatis ; rostro et pedibus 
nigris. 
Long. tota 6°5, alee 3:0, caudee 2°5. 
Hab. in Nova Grenada, Santa Martha. Mus. P.L.S. 
Obs. Affinis Thamnophilo atricapillo, sed dorso nigro. 
5. THAMNOPHILUS NIGROCINEREUS. (Pl. LXXXI.) 
3 Cinereus, capite toto cum dorso summo et gutture nigris ; in- 
terscapularibus basi albis; alis caudaque nigricantibus, albo 
limbatis; rectrice una utrinque extima media albo notata ; 
rostro et pedibus nigris. 
? Rufo-brunnea; gula et ventre medio albescentioribus ; alarum 
tectricibus secondariisque et cauda sicut in mari albo notatis. 
Long. tota 5°75, alee 3°8, caude 2:4. 
Hab. in Brasilia boreali, Para. Mus. Brit. et P.L.S. 
Obs. Similis Th. nevio sed multo major ; rostro fortiore et gutture 
nigro. 
6. THAMNopPHILUS Castus. (Pl. LXXXII.) 
Lanius cesius, Cuv. in Mus. Paris. 
3 Nigro-plumbeus; pileo cristato gulaque nigris; tectricibus 
alaribus anguste albo limbatis; cauda nigricante unicolore ; 
rostro pedibusque nigris. 
2 Grisescenti-brunnea, crista nigricante ; capitis lateribus, tec- 
tricum alarum marginibus et corpore subtus rufis ; rostro nigro, 
mandibula inferiore basi et pedibus pallidis. 
Long. tota 55, alee 3°25, caudee 2°25. 
Hab. in Guiana Britannica. Mus. Parisiensi et P.L.S. 
February 13, 1855. 
John Gould, Esq., F.R.S., in the Chair. 
The following paper was read :— 
DESCRIPTIONS OF SOME NEw SPECIES OF CLERID&, 
COLLECTED AT SINGAPORE BY Mr. WALLACE. 
By J. O. Westwoop, F.L.S. erc. 
(Annulosa, Pl. XX XVIII.) 
Having lately submitted to the notice of the Zoological Society a 
memoir containing descriptions of fifty new species of Cleride, na- 
