APPENDIX. Hi 



Obs. An interestins: and beautiful small shell, 

 mtli whose locality we are not aequainted ; it is, 

 however, probably from New Holland. 



150. PSAMMOT.EA CARNEA. 



P. testa ovali, snbgibbosa, carnea, umbonibus pro- 

 fundioribiis. 



184. TELLINA PULCIIERRIMA. 

 T. testa transversim oblon^a, latere altcro rotuudato' 

 altero acutangulo ; pallida, roseo radiata, diseo 

 oeutrali laeviusculo, oblique striato, extrcmitatibus 

 squamuloso-asperis: intus pallide aurantiaea. 



198. TELLINIDES OVALIS. 

 T. test^ ovali, laeviuscula, subsequilaterali, latere al- 

 tero rotuudato, altero subaugulato; rosea, radiis 

 exiguis albidis. 



199. TELLINIDES EMARGINATUS. 



T, testa oblonga, inaiquilaterali, laeviuscula, latere au- 

 tico breviore, subangulato et emarginato; plica- 

 tur!i in utrAque valva symmetrica. 



Obs.— The posterior side is rounded and double 

 the length of the anterior: the unibones are jiale 

 orange colour, and within there are two darker ol)- 

 long orange spots passing from tlie umbo to each 

 muscular impression in each valve. From Brazil. 



'200. TELLINIDES TRUNCATULFS. 

 T. testa oblonga, inajquilaterali, l<Evi, latere antico 

 breviore, rotundato-truncato, plicatuni obsoletius- 

 cHilA in utraque valva symmetrica. 



OI)s. — In general form this nearly resembles the 

 last, the anterior side is, hoAvever, proportionably 

 rather longer: the fold in the anterior side does not 



