MARSHAL!.: ADDiriONS TO " BRITISH CONCIIOI.OGV." 327 



periphery less sharply keeled (as in J", niontat-ufi), with ihe apex spiral 

 and pointed. In British specimens the apex is invariably worn down, 

 even in the young. Gwyn Jeffreys' figures of this and T. exasperaius, 

 l)y an ajiparent error of thu artist, have been transposed ; nor should 

 this species have a basal ridge encircling each whorl as there depicted. 



T. miliaris Brocc. — The very young of this shell might easily pass 

 for the same stage of T. graiiulatus ; but this is shorter, and the second 

 whorl is spirally sculptured; in the apex of T. graimlatus the first 

 wOiorl is coarser and more raised, and the second one is cancellated. 



T. g'ranulatus Born. — Sanda Island, at the mouth of the Clyde 

 ' Hyndman and Scott V 



T. OCcidentalis Migh. — Clee, Lincolnshire, a specimen on the 

 shore after a gale (A. Smith) ; off Withernsea, 2of. (Marine Bio. 

 Assoc.) ; not uncommon in deep water off the Aberdeenshire coast, 

 especially between Rattray and Kinnaird Heads, ten or twelve miles 

 from land (Simpson). 



A young dead shell of T. sutiiralis Phil., from the Shetland-Faroe 

 Channel, was erroneously described as a new species by Mr. Jordan 

 as T. ietnigonosto'/ia ; and another immature shell of T. oltoi Phil. = 

 T. rhysiis Wats., from the same source, he described as T. coulsoni. 



Three specimens of T. ottoi Phil., "dead but fresh," have been 

 dredged off the Butt of Lewis in 545f by the Scottish Fishery Board 

 (Simpson) I 



Phasianella puUus var. pulchella Reel. — Achil Island. Col- 

 lectors must not confuse this variety with a dwarf of the type, equally 

 small, which is abundant (and sometimes the normal form) on some 

 parts of our coasts. These two dwarf forms are common to all the 

 Channel Islands, but are not found living together. 



Mr. Bartlet Span, of Tenby, in 1902 sent me a specimen of P. 

 speciosa Miihlf., containing the animal and operculum, which he had 

 found "on a seaweed-covered boulder at Lydstep Haven, near Tenby, 

 during an unusually low tide." Its occurrence as a dead shell on 

 the beach would have merited little notice, as it is a common 

 Mediterranean species, and is sometimes used to ornament boxes, 

 etc.; but its location at low^ tide, containing animal and operculum, 

 and the fact that Lydstep Haven is very retired and seldom visited by 

 boats or visitors, renders its presence there a matter of curiosity. 

 Should its presence, however, be due to natural causes, more speci- 

 mens may be expected to come to light to confirm its British origin. 

 A subsequent inquiry in the neighbourhood of Lydstep Haven has 

 disclosed the fact that the Member of ParUament for the county has 

 a villa close by, and that he has a family of children who sometimes 

 visit the Riviera, and also play on the Haven sands ; but though just 



