5?12 Dr. Leadi on Cirripedes. 



species from my liberal friend Professor Dumeril^ who found 

 it on the bottom of a vessel lately returned from the Isle of 

 France. 



Species 5. O. Rissoanus. 

 O. squamis inferis convexiusculis, geniculatis, (genu rotundato) 

 pOstice supra truncatis, infra gradatim acuminatis ; corpore, 

 pedunculbque purpurascentibus ; appendicibus auriformibus 

 intense purpureis. 

 Mus. D. Risso. 

 Hab. in Marl Mediterraneo. 

 Description. — Lower valves rather convex, geniculated ; (the knee 

 rounded) the upper part truncated behind and the lower part 

 gradually acuminated ; body and peduncle purplish, auriform 

 appendages deep purple. 



Genus CINERAS. 



Species 1. C. Chelonophilus. 

 C. corpore lanceolate ; pedunculo abrupto ; squamis superioribus 

 minutis, postice acuminatis; squam^ postica rect^, lineari. 

 Hab. in corpora Cheloniorum ; observat Dom. J. Cranch, in 



lat. bor. 36° et long, occid. 16"— 32*. 

 In Museo Britannicoi 

 Description, — Body lanceolate, peduncle abrupt; upper valves 

 minute, acuminated behind ; posterior valve straight, linear. 



Species 2. d Cranchianus. 

 C. corpore, supra oblique truncato ; pedunqulo subabrupto ; squa- 

 mis superioribus linearibus, utrinque obtusis ; squama postica 

 ad apicem gibbos^ ; squamis anticis processii postico, brevi, 

 pbtuso. 

 Hab. in Mari Atlantico Australia Observat D. Cranch. 

 In Mus. Brit. 

 Description* — Body above obliquely truncated; peduncle rather 

 abrupt ; upper valves linear, obtuse on each side ; posterior 

 valve gibbous at the apex ; anterior valv.es with a short, ob- 

 tuse, process behind. 



