CO^CUWAX — DITBYRA. 27. 103 



Tellina Dosiacina. hiiui. 'Sysl. Nat [). 1118 

 Gin el ill, SvM. p. -i'l'-iX. 

 Tiirfoii, l.iiiii.Nv^t iv. p. 390. 

 MoiiUufH. 'lest. Brif. p. 58, tab. 27, {!<;. 3. 

 Pi'iiiHiiit, Biif. ZiK)l. iv. j). 17S. 

 Ijinn. Trans, viii. p. 50, (al). I, Hi;. 7. 

 Tiirfo/i, IJrili.sli Fauna, p. 149. 

 Biirsi't Cald'. J). 29, (ah. 12, lij;. 3 b. 

 IVcod, Comli. p. 16!, tab. -io, lig. 5. 

 Dillifijn, i)(.'.sciipt. Calal. p. 89. 

 Tuiton, Coiul). Siict. p. 170. 

 JI/««. nost. From the Devoiisliire and Irish coasts. 

 # 

 Our largest specimen of (bi.s licaudrul .s'.icll mca.surcs three 

 quariors ot" an inch iu k-iiiilb, assd an inch and a quarter va 

 breadth; but in <;encral it is not much above hall' the si/.e : color 

 yellowish, with red longitudinal rays whicli are irregularly dis- 

 posed, and often intentpted, ajjpeariiij; in a fainler manner on 

 the inside: beaks close to tiie a!)ru|)t end: hiui-e wilh a sin";le 

 cloven tooth in one valve, and no lateral ones ; in the oilier two 

 teeth, one of them cloven, and a strong rather remote lateral 

 tooth on each side. 



Telmxa testa ocato-tritjnnd trnnsversini sfriolatd, latere bimacuiata. 



antic o sul>an(jnla(o, valcd at t era t)idi'ntatu cum lateratihus, 



allird iinidenfafd ctiin laferalihns. 

 Shell oval-triangular, slightly striate transversely, a little angular 



at the anterior end, in one \alve two teetii and lateral ones, iu 



the other a single tooth and lateral ones. 



