OF CONCHOLOGY. 55 



plate, unless it is intended to represent a badly worn specimen. 

 Unio folliculatus is not by any means allied to Shepardianus, 

 but belongs to a group the typical species of which is U. Fish- 

 er ianus. 



Tellina.— Plate 46. Sept., 1868. 



T. elevata, Sowerby. West Indies. 

 " cuneolus, " Coromandel. 

 " armata, " Hab. — ? 

 " cequistriata, " " 



" striatissima, " " 



Galatea. — Six plates (complete). Sept., 1868. 

 Gr. hiangulata, Sowerby. Hab. — ? 

 " triangularis, " " 



Conchologia Iconlca. Parts 276, 2T7. London. 1868. 



Unio. — Plates 94, 96 and 1. Completing the genus. 



U. scutum, Benson. Tenasserim. 

 " parma, " '• 



Mr. Sowerby says of U. Churcliilleanus, Bourg., " Almost a 

 Monoco7idyloea" — Quite: belongs to the same group as M. 

 rhomboidea. 



This monograph is now completed — with 325 species, a num- 

 ber smaller than those indigenous to North America alone. 

 Akeka — 1 plate. 

 DoLABELLA. — 2 plates. 



D. elongata, Sowb., Seychelles. 

 Dolabrifera. — 1 plate. 



D. vitrcea, Sowb., Fiji Isles. 

 Tellina.— Plates 46—54. 



T. producta, Sowb. Hong Kong. 

 " 3Iyaiformis, Sowerby. Coromandel. 

 " obtusa, " Ins. St. Thomas. 



" Belcheri, " Hab.— ? 



" ensiformis, " Australia. 



" glabrella, Desh. Hab. — ? 



" Fijiensis, Sowerby. Fiji Isles. 

 " crebrimacidata, " " " 



" plena, " Hab.— ? 



" immaculata, Phil. Sandwich Isles. 

 " Mactroiformis, Sowb. Australia. 

 " siiccinea^ " Manilla. 



