47 



Hab. ad Sinum Nocoiyo, Americse Centralis. 

 Found in sand banks at low -vvater. — G. B. S. 



Cytherea pannosa. Cyth. testd obovatd, crassiusculd, Icevi, albi- 

 cante maculis strigis lineisve angulatis luridis obscure pictd ,- 

 apicibus subprominentibus : long. T 15, lat. 0'6, alt. 0'9 poli. 



Hab. ad oras Chilenses. (Coquimbo.) 



Found in sandy mud at low -vvater. — G. B, S. 



Cytherea pallescens. Cyth. testd obovatd, tenui, pallidi lutescente, 

 lavi, concentrici striatd ; latere antico breviore, apicibus sub- 

 prominulis ; intiis albd ; inipressione cordiformi anticd elongatd, 

 distinctd: long. 1'4, lat. 0"8, alt. \'\ poli. 



Hab. ad Insulam Annaan. 



Found in corai sand. — G. B. S. 



Cytherea inconspicua. Cyth. testd obovatd, crassiusculd, Icevi, al- 

 bidd, concentrici striatd, striis exilissimis, epidermide tenuissimd, 

 pallide subfuscd ; apicibus subprominulis ; impressione cordi- 

 formi anticd ovatd, inconspicud : long. 1*2, lat. O" 65, alt. 1* 

 poli. 



Hab. ad Paytam, Peruvise. 



Found in sandy mud at low water. — G. B. S. 



Cytherea modesta. Cyth. testd ovatd, crassiusculd, l<evi, con- 

 centrice sulcatd, suleis obsoletiusculis į albdfusco et fusco-purpu- 

 rascente varid ; apicibus subprominulis ; latere postico longiore, 

 declivi: long. 0'9, lat. 0"5, alt. 0-7 polL 



Hab. ad Xipixapi, Americae Meridionalis. 



Found in sandy mud in from nine to eleven fathoms. — G. B. S. 



Cytherea pectinata, var. immaculata. Cyth. pectinata, testd pal- 



lescente unicolore, intiis lutescente. 

 Hab. ad Insulas Oceani Paciiici. (Lord Hood's Island, one of the 

 Paumotu group.) — G. B. S. 



Specimens were exhibited of numerous Thrushes, chiefly inhabit- 

 ants of the Himalayan Mountains and of India ; and Mr, Gould, at 

 the reąuest of the Chairman, brought them under the notice of the 

 Meeting, principally with the view of indicating those of the former 

 district as constituting a new form in the family Merulidce, Vig., for 

 which he proposed the generic name 



Ianthocincla. 



Rostrum ferė ut in Cinclosomate et Turdo sed įnagis robustum : 

 mandibula superiore ad basin setigera. 



Nares basales, ovales, apertae. 



Al(X breves, concavae, rotundatse ; remigibus 6ta 7m^que longiori- 

 bus, omnibus moIHbus. 



Cot/da subelongata, concava, rotundata; rectricibus moUibus. 



Tarsi elongati, robusti. 



HalluT digitum medium longitudine subseąuans, ungue forti sub- 

 seąviali munitus, 



