BRITISH RADIATA. 
109 
a. On rock. “ Flustra distans.” Presented by G. Johnston, 
M.D. 
b. On rock. “ Flustra fallax.” Presented by G. Johnston, 
M.D. 
c. On slate. “ Flustra Peachii or Lepralia pedilostoma.” 
Presented by G. Johnston, M.D. 
d. On Mvtilus edulis. “ Flustra Peachii, Couch, or Lepralia 
pedilostoma.” Presented by G. Johnston, M.D. 
e. f. On Mytilus edulis. “ Flustra Peachii, from Mr. Peach.” 
Presented by G. Johnston, M.D. 
g. On rock. Lepralia pedilostoma. Presented by G. John- 
ston, M.D. 
h. ? On slate. In bad state : the network between the 
thinner and discoloured “ Flustra Peachii ! a state of 
Membranipora membranacea.” Presented by G. John- 
ston, M.D. 
t. On a shell. In bad state : like h, “ a state of Membrani- 
pora membranacea.” Presented by G. Johnston, M.D. 
9. Callopora. 
Callopora, Gray, Appendix, Proc. Zool. Soc. 1848. 
Flustra, sp. Linn. ; Johnst. Brit. Zooph. 
1. Callopora lineata. 
Flustra lineata, Linn. Syst. 1301 ; Mull. Zool. Dan. Prod. 253 ; 
Fabr. Faun. Grcenl. 437 ; Jameson, IVern. Mem. i. 5(i3 ; Couch, 
Zooph. Cornw. 55; Corn. Faun. iii. 124 ; W. Thompson, Ann. 
Nat. Hist. v. 253; Johnst. Hist. Brit. Zooph. ed. 2. p. 349. 
t. 66. fig. 4. & p. 350. 
Flustra spinifera, Johnst. Trans. Newc. Soc. ii. 266. pi. 9. fig. 6. 
FI. hirta, Lamour. Corall. 49; Bose, Vers, iii. 144 ; Risso, L’Eu- 
rop. Mtfrid. v. 334. 
a, b. Presented by G. Johnston, M.D. 
c. With Lepralia coccinea, L. trispinosa, and L. immersa. 
Presented by G. Johnston, M.D. 
d. With Lepralia coccinea. Presented by G. Johnston, M.D. 
e. On slate, with Lep. coccinea and L. nitida. Presented 
bv G. Johnston, M.D. 
/. On algae. Presented by G. Johnston, M.D. 
g. On algae. “ Lepralia nitida var.” Presented by G. John- 
ston, M.D. 
h. On stone. “ Flustra fallax, a state of Lepralia tenuis.” 
Presented by G. Johnston, M.D. 
