Zoological Society. 133 



white; chin, abdomen and under tail-coverts white ; breast, sides of 

 the neck, and a narrow collar surrounding the back of the neck, 

 white, crossed by numerous narrow freckled bars of black ; irides 

 dark brown ; upper mandible dark olive-brown, lower white, with a 

 black tip ; legs pale yellow, claws black. 



Total length, 9^ inches; bill, 1 ; wing, 5|; tail, 5 ; tarsi, 1. 



Hab. Port Essington. 



Malurus pulcherrimus. Mai. Mas : vertice, et fascid dorsali 

 splendide violaceo-cceruleis ; orbitis et plumis auricularibus ex 

 cerugine ccBruleis ; guld indico-ccdruled, nigra subtils indistincte 

 marginatd ; plumis scapularibus castaneis ; loris, nuchd, et dorso 

 imo holoserico-nigris. Foem. ifusca, subtiis pallidior, orbitis ru- 

 bidefuscis. 

 Crown of the head and a broad band across the centre of the back 

 rich glossy violet-blue ; space surrounding the eye and the ear- coverts 

 verditer-blue ; throat intense indigo-blue, bounded below by an in- 

 distinct band of black ; lores, collar surrounding the back of the neck, 

 and the lower part of the back, deep velvety black ; scapularies chest- 

 nut; wings brown ; tail dull greenish blue, indistinctly barred with a 

 darker tint and slightly tipped with white ; abdomen and under tail- 

 coverts white ; bill and feet black ; irides dark brown. 



Female dull brown, paler beneath ; tail-feathers like those of the 

 male, but less bright ; bill and space round the eye reddish brown. 



Remarks. — Very similar in its markings and general contour to 

 M. Lamberti ; it may however be always distinguished from that 

 species by its larger size and by the deep indigo-blue colour of the 

 throat and chest, which parts are black in M. Lamberti. 



Total length, 5^ inches ; bill, -f^ ; wing, 2 ; tail, 3;^ ; tarsi, J-|. 

 Hab. Western Australia. 



Pachycephala Gilbertii. Pack. Mas : colore saturate olivaceo- 

 fusco ; capite plumbeo ; loris nigris ; guld ferrugined ; humeris 

 subtus, abdomine medio, crissoque arenaceis. Fcem. differt, loris 

 non nigris, neque guld ferrugined. 

 The plumage dark greyish olive-brown ; the head dark slate-grey, 

 and the breast of a lighter grey ; the lores black ; throat rust-red ; 

 under surface of the shoulder, centre of the abdomen and under tail- 

 coverts sandy buff ; irides light brown ; bill and feet black. The 

 female is similar in colour, but is destitute of the black on the lores 

 and the red on the throat. 



Total length, 6| inches ; bill, \^ ; wing, 3 J ; tail, 3g ; tarsi, 1 . 

 Hab. Western Australia. 



July 9th. — William Horton Lloyd, Esq., in the Chair. 



*' Descriptions of a number of new species of Shells belonging to 

 the genus Cytherea," by Sylvanus Hanley, Esq. 



Cytherea varians. C. testd ovato-cordatd, incequilaterali, subven- 

 tricosd, tenuiusculd, albd, m.aculis et lineis angulatim jlexuosis cas- 

 taneis variegatd, concentrice {et antice prcesertim) sulcato-striatd ; 

 lunuld magnd, cordatd, lined impressd circumscriptd, alba, maculd 



