. 930 
3. 
Dr. Maton’s and Mr. RACcKETT's. 
at first sight sufficiently distinct, run into each other so 
much that they cannot be considered. as essentially dif- 
ferent. 
*** Mucronate, vertice acuminato recurvo. 
Mitrula. P. testa integra, subconica, iinbricata, vertice recurvato. 
4. x 
" Lister Conch. t. 544. f. 51. 
Klein Ostr. t. 8. f. 11, 12. - 
Martini Conch. 1. t. 12. f. = 12. 
Linn. Gmel. p. 3108. n. 82. 
Favanne Conch, t. 4. f. F. 2. 
Pulteney in. Hutch. Dorset. p. 51. t. 22. f. 7. a. P. an- 
tiquata. 
Montagu Test. Brit. p. 485. t. 13. f. 9. P. antiquata. 
Habitat in mari, rarissima. - CINES 
Testa diametro 4. poll., solida, opaca, lactea. Apertura ovata. 
Found after a storm, by Mr. Bryer, at Weymouth. 
ungarica. P. testa integra, conico-acuminata, striata; vertice ha- 
moso, revoluto. — eh Nat, n. "ina 3259. dir. 
Gmel. p. 3109. 
Gualt. Test. t. 9. f. v. w. 
D' Argenv. Conch. t. 2. f. R. 
Borlase Corno. t. 98. f. 4. 
Martini Conch. 1. t. 12. f. 107, 108. 
Knorr Vergn. 6. t. 16. f. R. 
Pennant Brit. Zool. t. 90. f. 147. 
Da Costa Brit. Conch. t. 1. f. 7. P. Pileus Morionis. 
-Pulteney in Hutch. Dorset. p. 51. t - 23. A 7. 
Donovan Brit. Shells, t. 91. Pa Ln | 
Montagu Test. Brit. p. 486. : 
Halitat i in mari, testaceis adherens, rarior —— 0 | 
Testa diametro 1 poll., $a vertice ad basin, sub giene pilosa, rubro- 
nebulosa, seu carnaria, subtilissime longitüdiusliter striata, interdum 
transversim 
