47 



Hab. ad Sinura Nocoiyo, Americse Centralis. 

 Found in sand banks at low water. — G. B. S. 



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

 cante maculis strigis lineisve angulatis luridis obscure pictd ; 

 apicibus subprominentibus : long. ri5, lat. 0'6, alt. 0' 9 poll. 



Hab. ad oras Chilenses. (Coquimbo.) 



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



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

 Icevi, concentricii striatd ; latere antico breviore, apicibus sub- 

 prominulis ; intits alba ; irripressione cordiformi untied elongatd, 

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



Hab. ad Insulam Annaan. 



Found in coral sand. — G. B. S. 



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

 bidd, concentric'^ striatd, striis exilissimis, epidermide tenuissimd, 

 pallide subfuscd ; apicibus subprominulis ; impressione cordi- 

 formi untied ovatd, inconspicud : long. 1'2, lat. 0*65, alt. 1* 

 poll. 



Hab. ad Paytam, Peruvise. 



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



Cytherea modesta. Cyth. testd ovatd, crassiusculd, lavi, con- 

 centrici sulcatd, stilcis obsoletiusculis ; albdfusco et fusco-purpu- 

 rascente varid ; apicibus subprominulis ; latere postico longiore, 

 declivi : long. 09, lat. 05, 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. peetinata, testd pal- 



lescente unicolore, intils lutescente. 

 Hab. ad Insulas Oceani Pacifici. (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 request 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 fere ut in Cinclosomate et Turdo sed magis robustum : 

 mandibula superiore ad basin setigera. 



Nares basales, ovales, apertae. 



Aleebieves, concavse, rotundatse; remigibus 6ta 7m^ue longiori- 

 bus, omnibus mollibus. 



Cawrfa subelongata, concava, rotundata; rectricibus mollibus. 



Tarsi elongati, robusti. 



Hallux digitum medium longitudine subsequans, ungue forti sub- 

 sequali munitus. 



