o9 
Dr. Leach’s arrangement. Encyc. Brit. Supple. Ro oM v lir 
Art. Cirripedes). nat. Hist. 
(Table 5.) Conchifera bimusculosa—Class 
11. Order 1. This compartment contains 
the families of the Tubicolaria, Pholadaria, 
and part of the Solenacea. Amongst them are 
the Aspergillum javanum or watering pot shell *, 
Clavagella, probably the only recent shell of the 
kind known ; Fistulana clava, Septaria arenaria, 
or great bifurcated teredo. Teredo navalis, or 
ship-worm ; Pholas dactylus, or prickly piercer, 
Gastrochaena cuneiformis $ several solenes, or ra¬ 
zor shells, Panopsea Aldrovandi, (Mya Glyci- 
meris, Lin.) or great gaper, &c. 
(Table 6.) contains the last genus of the 
Solenacea, Glycimeris siliqua ; and the families 
Myaria, Mactracea, Corbularia, and Lithophaga. 
Amongst them are Mya truncata, Anatina la- 
terna, Lutraria solenoides (Mya oblonga. Gmel.) 
Mactra gigantea, and M. stultorum, Crassatella, 
Erycina cardioides, Ungulina transversa, Soleno- 
mya mediterranea (very scarce), Amphidesma, 
Corbula nucleus, Pandora, Saxicava, Petricola, 
and Venerupis. The three last genera perforate 
rocks, and make their habitations therein. 
(Table 7.) The families, Nymphacea sole- 
naria, and N. tellinaria—Conchas fluviatiles, 
and part of the Conchae marinas. Amongst 
the Nymphacea, are the Sanguinolaria rosea, 
(Solen sanguinolentus. Gmel.) and S. rugosa, 
(Venus deflorata. Gmel.) Psammobia ferroensis, 
—Psammotsea donacina,—various Tellinee, Cor- 
bis 
