318 Mr. Jerrreys on the Testaceous Pneumonobranchous 
obtuse apex, and the deep umbilical perforation which is 
not interrupted by the reflexure of the peristome. 
9. TINCTUSs. 
Animal nigrescenti-fuscum. Sustentaculum amplum. 
Testa ovata, subconica, ventricosa, fragilis, pellucida, gla- 
bra (sub lente ut in L. elongato seriatim striatula), vio- 
laceo-cornea, spirà brevi, obtusà. Anfractus 4—-5. 
Apertura ovata: peristomio vix postice reflexo. 
Long. 0.225.— Diam. 0.15. 
In a marshy piece of ground at Marino near Swansea. 
It seems to be an intermediate species between the L. trun- 
catulus and the following. 
10. GRAYANUS. 
E minea Grayana, first. given. to it E Dr. 
Ii. 
Animal 
Testa ferè conica, subventricosa, acuminata, nitida, pel- 
lucida, substriata, violascenti-cornea. Anfractus 6. 
Apertura subovata: peristomio simplici, postice albo, 
reflexiusculo. 
Long. 0.125.— Diam. 0.08. 
Sent. me by Mr. J. S. Miller under the name of Assi- 
r. Leach. . From the 
Greenwich marshes. 
DETRITUS. 
Animal 
2 dea. ovata, subconica, subventricosa, solidula, alba, sub 
nte spiraliter striatula. Anfractus 6, suturá vix 
ünctà. Apertura oblongiuscula, ube she sub- 
incrassato : T — tenui, subreflexo. — 
PE 
