SOLENAIA. 



133 



oblique truncata: natibus complanatis, inconspicuis, senectate 

 obliteratis, decoriicatis ; epidermide junioris fulvida, pneter 

 angulum umbonis viridi, sulcis illuc vinis impressa, setate fusca. 

 Long. 150, lat. prope apicem 30, lat. prope alam 37-5 mm. 

 Benson adds the following note to his description : 

 " This is a very interesting shell, being, in proportion to its 

 length, the most elongated of the genus. The pearl of the 



Fig. 6. Solenaia soleniformis (Benson) (specimen), nat. size, 

 showing pallial line and muscular scars. 



interior is bluish with a salmon tinge in old specimens, which are 

 likewise much worn on the exterior surface, and have their 

 posterior muscular impression very deeply marked, and, as it were, 

 carious. The anterior muscular impression is considerably 

 elongated under the transverse direction." 



Hob. Assam. 



There is a good series of this species in the Indian Museum 

 Collection, all from Cachar, of which the measurements of three 

 specimens are : 



Long. 

 Lat. 

 Diam . 



1. 



55 

 183 

 29-75 



45-5 

 391 

 25-75 



3. 



49*5 ram, 



207 mm. 



27'75 mm. 



