a — Dr. Maton’s and Mr. Racxert’s | 
nea T. testa oblongo-rostrata, valvula altera plana. Linn. 
valvis. Syst. Nat. p. 1118. n. 56. Linn. Gmel. p. 3233. 
Chemn. Conch. 6. t. 11. f. 106. a. b. c. d? 
Donovan Brit. Shells, t. 41. f. 1. 
Montagu Test. Brit. p. 73. 
Habitat in mari. 
Testa 4 poll. longa, 1 poll. lata, lactea, levis, pellucida. Sutura dorsalis 
recta, excurrens in rostrum obtusum patulum. Valvula altera plana, al- 
tera convexa. Cardo dentibus duobus, absque lateralibus. 
First described as British by Mr. Donovan. Small 
ones are found on the Kentish coast. 
A. idi 
donacina. T. testa ovata, compresso-planiuscula, leviuscula, an- 
t.1. f-7. terius obtusissima. Linn. Syst. Nat. p. 1118. n. 59. 
Linn. Gmel. p..3234. 
. Gualt. Test. t. 88. f. N. 
. Pennant Brit. Zool. n.39?...... 
“Ties in Hutch. Dorset. e 99. i i 42. T: 8. b. 
Montagu Test. Brit. p. 58. | 
Habitat in mari. 
Testa 4 poll.longa, vel paululum major, 1 pati: lata, levis, gabri; semipel- 
lucida, colore albo-lutescente, radiis plurimis rubris, ab umbonibus ad 
marginem, minutissime transversim striata, sulcis vel rugis 2 vel 3 ob- 
soletis: facie Donacis. Cardo versus extremitatem, in altera valvula 
dentibus duobus, primario bifido ; in altera dente unico. 
First found near Sandwich, in Kent, by Mr. Boys. It 
ince been observed at Weymouth by Dr. Pulteney, 
Cornish. dnd. Joyogshins coasts by Mr. 
punicea. T. testa einas se quiinters, densissime transversim 
striata. Linn. Gmel. «P 3239. 
8 Born 
