C L A V A G E L L A, 



Species 4. (Fig. ,i. h. 



:lla ai;.sti:alis. ilu. I 

 intra teiiui, riigoS'i, oliliiiii/i'i 

 •i;jo(o, ivtiiiii/i), /(rviijiitii. 



rlarat] 

 „/io/,rlhr,, 



valv,i 

 ■ tubi, 

 hand 



TiiK AusTUALiAN Ci-AVAGKLi.A. Shell cliivate, left 

 valve thin, rough, oblong, niodiola-sliaped ; tube 

 elongated, rounded, smooth, margin straight, not 

 expanded. 



SowERBY (G. B. 1), Catalogue of Stutchburg'.'! shells. 



Hah. Australia and other parts of the Paeitie. 



The tube is ro 

 dves are oblons. 



(led. 



ith 



edge, and the 



Species -.. (F 



Clavagkm.a Ml 



i-uln) si„i..i 



lUliJIllntis i-i 



\), H,^. /-, Mus. Brit.) 



,„/„ 



ilnin 



till,, 



h, 



U't' 



naliter costato, ad tenitinum iudenUilo. 



Till-; Malte.se Clavagella. Shell anteriorly ventri- 

 cose ; left valve subquadrate, concentrically undu- 

 lated with somewhat angulated wrinkles ; tube 

 longitudinally ribbed, indented at the end. 



BuODEKii'. Trans. Linn. Soc.. vol. i. 



Hub. Malta. 



In our figure may be seen the position of the small 



tubes which perforate the rock between the valves at 



the anterior end of the bulb-shaped tube. Their pur- 



po.se seems to be to admit the free entrance of the 



water to the molhisk. 



December, 1872. 



