26 SECOND SUPPLEMENT TO THE CRAG MOLLUSCA. 



of the first volume of the ' Crag Mollusca/ in having the varices closer, and a more 

 distinct ridge round the base of the lower whorl, which I have endeavoured to show by 

 fig. 17 b, Tab. III. It agrees closely with one, rather larger, sent me by M. Rutot, 

 of Brussels, from Kiel, near Antwerp, a bed which has, until lately, been regarded as 

 miocene, but which M. Vandenbroeck refers to the oldest pliocene, 1 and there can, I 

 think, be no doubt of the identity of the two shells. 



SCALARIA GENICULATA ?, SroccM. 2nd Sup., Tab. IV, fig. 11. 



TURBO GENICULATUS, Broc. Conch. Foss. Subap., p. 659, t. xvi, fig. 1. 



Locality. Cor. Crag, Sutton. 



A small fragment of a species of the genus Scalaria is in my cabinet, which may 

 possibly be referred as above, depending, as I am obliged to do, upon the figure and 

 description by Brocchi. This seems to differ from all other species of the genus in being 

 less strongly or coarsely costulated, and in having the spiral striae broader and flatter, 

 with a very narrow depression between them. 



This is another instance in which I regret my inability to compare my own shell 

 with a veritable specimen of the species to which I have referred it. Brocchi describes 

 his species thus : " T. subulata, anfractibus subrotundatis, costellis capillaribus, varice 

 ad utrumque latus crassiore." This thickened rib is not visible in my fragment. 



TURRITELLA (MESALIA) PFNEPOLARIS, S. Wood. 2nd Sup., Tab. II, fig. 14. 



TURRITELLA PENEPOLARis, S. Wood. Suppl. to Crag Moll., p. 53, t. iv, fig. 20. 



T. Testa turritd, elongatd; apice acutd? anfractibus 1012 conveasiusculis striatis ; 

 mturd depressd ; aperturd subovatd ; columelld concammculd ; labro tenui. 



Axis 1 inch. 



Locality. Cor. Crag, Suttton, and Cor. Crag ?, Boyton. 



The figures which I have previously been able to give of this shell have been those of 

 fragments only, but I am now enabled to give a figure of the entire shell from one of 

 two specimens sent me by Dr. Reed, which was obtained from the nodule workings at 

 Boyton, but which, therefore, is of uncertain reference so far as its geological position is 

 concerned, and may even be derivative, for it has been considerably abraded. It shows 



1 'Esquisse Geologique et Pale'ontologique des Depots Pliocenes des Environs d'Anvers,' p. 35, 

 Brussels, 1876. 



