BRITISH MOLLUSCA. 
107 
Uuio riparia, Pfeiffer, ii. t. 5. f. 13? 
Unio margaritifera, Pfeiffer, ii. t. 7* f- 1 • 
a — d. River Conway, North Wales. Presented by Richard 
Williams, Esq. 
e. Thornton Craven, Yorkshire. Presented by W . Gilbert- 
son. Esq. 
/, g. River Reed, Northumberland. 
h, i. Aberdeen. 
j, 1c. Aveton, Gilford River. 
l. Loch Tay. 
m. River Bann. 
n. Shetland. Presented by R. T. C. Scott, Esq. 
o. Britain, with pearls. 
p — r (jun.). Britain. 
3. Unio. 
Unio (pictorum), Retz. Diss. Phys. 16, 1788 ; Brug. Journ. H. N. 
i. 1792; Encyc. Meth. t. 247; Spengler, Skrivt. N. Selslc. iii. 
53, 1783; Schumacher , Essai, 137, 1817 ; Leach , MSS. 1818, 
Ann. Sf Mag. N. H. xx. 272. 
Mva (pictorum), Humph. Mus. Calonn. 1797* 
Unionea ( ), Rafin. 1815. 
Mysca (pictorum), Turton, Bivalves, 244, 1822 ; Swains. Malac . 
276, 378. 
Mysia (pictorum). Gray, Proc. Z. S. 1847, misprint (not Leach). 
Baphia, § 1. (pictorum), Meuschen , Mus. Gevers. 1787* 
Limnsea and Limnseoderma (pictorum), Poli, Test. SiciL 
Limnium or Lymnium (pictorum), Oken, Lehrb. Naturg . 1815. 
Luticola (pictorum), Goldfuss , in Agass. Nomen. 1846. 
Unio (mytiloides), Swainson, Malac. 267, 1840. 
Cunicula (planulata), Swains. Malac. 267, 1840. 
Curricula (planulata). Gray, P. Z. S. 1847 (misprint). 
Ligumia (recta), Swains. Malac. 267, 1840. 
Theliderma (metanera), Swains. Malac. 267 , 1840. 
Megadomus (gigas), Swains. Malac. 26/ , 1840. 
dEglia (ovata), Swains. Malac. 267, 1840. 
Calceola (calceolus), Swains. Malac. 267, 1840. 
Hemiodon (undulatus), Swains. Malac. 267, 1840. 
Niaa (ater), Swainson, Elem. 1837- 
Naidea (ater), Swainson, Malac. 267 , 1840. 
Canthyria (spinosus), Swains. Malac. 267, 1840. 
Iridea (granosus), Swains. Malac. 267 , 1840. 
Naia (corrugata), Swains. Malac. 267, 1840. 
Hyridella (australis), Swains. Malac. 267, 1840. 
Proptera, Eurynia, Elliptio, Plagiola, Obovaria, Truncilla, Am- 
