OF CONCHOLOGY. 55 



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

 Unio folliculatus is not by any means allied to Shepai'dicmus, 

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

 erianus. 



Tbllina.— Plate 45. Sept., 1868. 



T. elevata, Sowerby. West Indies. 

 " cu7ieolus, " Coromandel. • 

 " armata, " Hab. — ? 

 " cequistnata, " " 



" striatissima, " " 



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

 Gr. hiangulata, Sowerby. Hab. — ? 

 " triangularis, " " 



Conchologia Iconica. Parts 276, 277. London. 1868. 



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



U. scutum, Benson. Tenasserim. 

 " parma, " " 



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

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

 rhomhoidea. 



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

 ber smaller than those indigenous to North America alone. 



Akeka — 1 plate. 



DOLABELLA. — 2 platCS. 



D. elongata, Sowb., Seychelles. 



DOLABRIFERA. — 1 plate. 



D. vitrcea, Sowb., Fiji Isles. 

 Tellina. — Plates 46 — 54. 



T. producta, Sowb. Hong Kong. 



" Myceformis, Sowerby. Coromandel. 



" obtusa, " Ins. St. Thomas. 



" Belcheri, " Hab.— ? 



" ensiformis, " Australia. 



" glabrella, Desh. Hab. — ? 



" Fijiensis, Sowerby. Fiji Isles. 



" crebrimaeulata, " " " 



" plena, " Hab. — ? 



" immaculata, Phil. Sandwich Isles. 



" Mactrceformis, Sowb. Australia. 



" succinea, " Manilla. 



