118 
BRITISH MOLLUSCA. 
C. 107 ; Gould , Inv. Mass. 123; Hanley , Rec. Shells, i. 233* 
t. 12. f. 31-49 ; Forbes Sf Hanley, Brit. Moll. ii. 182. t. 44* 
f. l, 2. 
Mytilus barbatus, Pulteney Hutchins 3 Dorset, 38 (not Linn .) ; 
Donov. B. S. ii. t. 70; Mont. T. B. 161; Mat. Rack. Dorset 
Cat. 40. t. 12. f. 5 (right). 
Modiola barbata, Macgilliv. Moll. Aberd. 23 7. 
Mytilus rusticus, Soland. MSS. Humph. Cat. 43. 
Callitriche flava=Callitrichoderma barbata, Poli, ii. 254, 259. 
Modiola Papuana, Lamk. Hist. 2nd ed. vii. 18 (part.) ; Brown, 
III. C. G- B. 77- t. 27. f. 1-4; Leach, Zool. Miscell. ii. 33 ; 
Say, Amer. Conch, t. 45; Blainv. Man. Malac. t. 64. f. 3? 
Modiola vulgaris, Flem. B. A. 412; Hanley , Thorpe, M. Conch. 
xxix. ; Alder, Cat. North. Moll. 81 ; Forbes, M. G. S. i. 419. 
75; Loven, I. M. 33. no. 251; Woodarch, Conchol. ed. 2. 1. 1. 
f. 10. 
Mytilus Papuanus, Desh. E. M. Vers, ii. 564. t. 219. f. 1. 
Mytilus curtus, Penn. B. Z. iv. 96. t. 64. f. 76 a. (half-grown). 
Var. (distorted), Mytilus umbilicatus, Penn. B. Z. t. 65. f. 76 ; 
Mat. 8f Rack . Linn. Trans, viii. 109 ; Don. B. S. t. 40; Mont . 
T. B. 164, Supp. 71; Ind. Test. t. 12. f. 49. 
Mytilus curvirostratus. Da Costa , B. C. 220. 
Lister, Conch, t. 1057. f. 5. 
a. Orkney. 
b — e. Saleombe. 
s — x (young). Britain. 
2. VOLSELLA BARBATA. 
Mytilus barbatus, Linn. S. N. ed. 12. 1156 (from type); Faun . 
Suec. ; Poli, Test. Sic. ii. 210. t. 32. f. 6, 7. 
Modiola barbata, Lamk. Hist. 2nd ed. vii. 22; Philippi, Moll. 
Sic. i. 70, ii. 50 ; Hanley, Rec. Shells, i. 233 ; Forbes 8f Han- 
ley, Brit. Moll. ii. 190. t. 44. f. 4. 
Modiola Gibsii, Leach, Zool. Misc. ii. 34. t. 72. f. 2 ; Turt. Biv . 
200; Flem. B. A. 413; Brown, III. C. t. 29. f. 7, ed. 2. 78. 
t. 27. f. 7 ; Thorpe, Mar. Conch. 10 7. 
a — h. Tenby. 
i — l. Britain. Presented by Mrs. Robinson. 
3. VOLSELLA TuLIPA. 
Modiola tulipa, Lamk. Hist. ed. 2. vii. 19 (part.); Sow. Gen . 
Shells , Modiol. f. 5 ? ; Philippi, Moll. Sic. i. 69, ii. 50 ; Sow. 
Britain. 
