MONOGRAPH OF THE GENUS 



ERATO, Risso. 



Ties. Conch. Plate CCX1X. 



Char. Gen. Testa convoluta, ovata, plus minusve angulata, 

 Itevis, ad dorsum leviter unisulcata ; spira brevi ; apertura elon- 

 gata, augustata, labio interno plus minusve crenato, ad basin ple- 

 rumque uniplicato, labio externo inflexo, subangulato, crenato. 



These pretty little shells are like Marginella in form, but their 

 essential characters indicate an animal of the family of Cypraida. 

 They have not regular plica? on the columella as in Marginella, 

 although the columellar lip is slightly thickened and crenated ; the 

 outer lip is inflected, thickened, and crenated. 



1. solcipera (f. 1, 2, 3), Gray — ? Sowb. Con. III./. 46. — 

 E. testa ovata, laevi, dorso anguste sulcata, alba seu rosea ; aper- 

 tura rectiuscula, labio externo postice angulatim elevato, medio 

 lato omnino crenulato, labio interno postice submarginato, antice 

 subtumido, crenulato. — One of the most typical species, having 

 a distinct groove at the back. It is smooth and oval. Pig. 3 

 represents a fresh specimen from Panama. It is the one described 

 in the ' Zoological Proceedings ' as a variety of Maugeria, with 

 which it has no connection. Philippines, Cuming. 



2. scabkiuscula (f. 14, 15, 16), Gray; Sowb. Con. III. 

 f. 45. — Marginella Cyprseola, Sowb.? — Marginella granum, 



Kiener. — E. testa ovata, oblonga, grise-a, nonnunquam granulata ; 

 spira subproducta ; apertura subaperta, labiis regulariter denta- 

 tis, sulco dorsali indistincto. — An oval, ash-coloured species, with 

 lips rather regularly toothed, and the surface generally granulated. 

 Port St. Elena, West Columbia, Cumin;/. 



vol. in. i 



