3X4: Dr. Leach on Cirripedes. 



Species 6. C. Rissoanus. 

 C- corpore supra trigono, squama postica medium versus genicu- 

 lata ; squamis aniicis processu postico brevi. Risso MS. 

 Color griseo-coerulescens, lineis atris flexuosis, loDgitudinalibus 



Dotatus. 

 Lepas cinerea. Poltf vi. 20 ? 

 Cineras cinerea. Risso MS. 



Hab. in Mari Mediterraneo, prope Nice, scopulis adhaerens. 

 Description. — Body above triangular, posterior valve geniculated 

 near the middle ; anterior valves with a short posterior pro- 

 cess. Colour bluish grey, marked with flexuous longitudinal 

 black lines. 



Genus CLYPTRA. 



Species 1. C. Cancrokum. 

 C. corpore azureo pallido ; squamis violascentibus ; anticis acute 

 angulatis, posticis arcuatis. 

 Clyptra Cancrorum, Savigny MS. 

 Mus. J. C. de Savigny. 



Hab. in Mari rubro. Corporis altitudo | unc. 

 Description.^ — Body pale azure colour; valves violaceous : anterior 

 valves acutely angulated ; posterior valves arched. 



Genus SCALPELLUM. 



Species 1. So. vulgare. 

 Sc. lameliis superioribus oblique striatis ; postica longitudinaliter 

 striata; inferioribus concentrice striolatis. 

 Scalpellum vulgare. Leachy Encycl. Brit. Suppl. t. Ivii. f. 



secunda sinistra. 

 Hab. in Mari Atlantico, Britannico et Mediterraneo, Fucis 

 adhaerens. 

 Description. — Upper valves obliquely striated ; posterior valves 

 longitudinally and inferior valves concentrically, birialed. 



