214 - Dr. Maton’s and Mr. RAcKETT'S 
Distinguitur a varietate alba T. rubri, quod magis acuminata, vel subcy- 
lindrica. Anfractus validiores, et magis obliqui. 
Differt a T. striato quod levis, nec apertura marginata. ( Montagu.) 
Found by Mr. Montagu, sparingly, at Whitsand Bay, 
Cornwall. : 
Punctura.H. testa conica, anfractibus 6 globosis, reticulatis, 
apertura suborbiculari. Montagu Test. Brit. p. 320. 
t. 12, f. 5. Turbo Poigtuta, = 
Habitat in mari, rarissima. SA ee 
Testa 25 poll. longa, 3h iub f: N Anfractus ope microscopii - 
^ videntur punctati, et decussati striis delicatissimis. 
A new and elegant species, discovered by Mr. Mon- 
tagu, at Whitsand Bay, in Cornwall; and in sand from 
Salcomb Bay, Devon. 
53. 
arenaria. H. testa conica, unfractibus 5 rotonda! decussatis. 
Walker Test. Min. Rar. f. 52.? 
Adams in Act. Soc. Linn. 3. p. 66. t. 13. f. 33, 34. ? 
- Montagu Test. Brit. p. 322. t. 12, f. 4. T. decussatus. 
Habitat in mari, rarissima ——— 
Testa vix } poll. longa, 1 Vix y lata, subpellucida, glabra, alba. Anfractus 
striis longitudinalibus. elevatis, et Kapayersis delicatissimis decussati. 
Apex vix acutus,  Labrum tenue. ; 
Testa magis cylindrica, striis longitudinalibus solidioribus, et apertura ma- 
. gis ovali quam H, Punctura. « (Montagu.) 
Found by Mr. Montagu, i in sand, from Salcomb Bay, 
DEVON, =F 
54, — HEE Ovate imperforate. 
acu H. testa imperforata, ovato-subulata, subangulata, 
— apertura ovata, Linn. Fauna Suecica, n. 2188. Syst. 
.. Nat. p. 1249. n. 103. m Gmel. p. 3 
"Aide. Tes, 5. Pm. s 
Diis. xvni l2. f. 2. — Codd. 183. f 21.: 
Petiver 
