164 
BRITISH MOLLUSCA. 
Hanley , Rec. Shells , i. 244; Brown, III. Conch, t. 31. f. 1 2 
e d. 2. 77 . t. 23. f. 1, 2; Forbes Sf Hanley, Brit. Moll. ii. 180/ 
-EW. MeU. Vers, t. 217. f. 3. 
Inhab. New Zealand, &c. Introduced by ilfr. C. Willcox as 
naturalized at Portsmouth. 
40. Mytilus Africanus, 
Mytilus Africanus, Chemn. Conch. Cab. viii. 160. t. 83. f. 739-741 • 
Forbes Sf Hanley, Brit. Moll. ii. 181. 
Myt. Afer, Gmel. S. N. 3358 ; Lamk . Hist. ed. 2. vii. 44 • Han- 
ley, Rec. Shells, i. 248. 
Myt. ungulatus (jun.), Billw. Rec. Shells, i. 310; Turt. Conch 
Diet. Ill; Brit. Faun. 164. no. 308; Flem. B.A. 411. 
Moule d’Afrique, Blainv. Man. Malac. t. 64. f. 2. 
Fnc. Meth. Vers , t. 218. f. 1 ; Knorr, Helices des Yeux, vi. t. 4. f. 1. 
Inhab. Africa. Introduced by Hr. Fleming, adhering to vessels 
from African coast. 
41. Lithodomus aristatus. 
Le Ropan, Adans. Seneg. 267. 1. 19. f. 2. 
Mytilus aristatus, Soland. MSS . ; Hillw. R. S. i. 303 (1817)- 
Ind. Test. 1 . 12, Mytilus, f. 8. 
Mytilus lithophagus striatus, J. Sow. Linn. Trans, viii. 274. t. 6. 
f. 2 (1804). 
Modiola caudigera, Lamk . Hist. 1st ed. vi. 116 (1819), 2nd ed. vii. 
27 ; Philippi, Abbild. ii. 149, Modiola, 1 . 1. f. 5 ; Hanley, Rec 
Shells, i. 238. 1. 12, Mytilus, f. 8. 
Lithodomus caudigerus. Sow. Gen. Shells, Lithodomus, f. 4 : 
Reeve, Conch. Syst. t. 99. f. 4. 
Lithodomus Lithophagus, Flem. B. An. 414; Thorpe, M. C. 111. 
Callitriche lithodoma, and Callitrichoderma Lithophaga, Poli, ii.* 
254, 259. 
Lithodomus aristatus, Forbes Sf Hanley, Brit. Moll. ii. 212. 
Ency. Meth. Vers, t. 221. f. 8. 
Inhab. W. Africa and W. Indies. Occurs in limestone used for 
repairing roads near London. Very rare ; Thorpe. 
42. Lithodomus fuscus. 
Mytilus fuscus, Gmel. S. N. 3359, from Lister, Conch, t. 359. 
f. 19/ ; Hillw. Rec. Shells, i. 306; Brown, Wern. Trans, ii. 
513; Turton, Conch. Hid. 113; Linn. Trans, iv. 297; Ind . 
Test. t. 12. f. 12. 
Modiola cinnamomea, var., Lamk. A. s. V. 2nd ed. vii. 25. 
Mod. fusca, Heshayes, Lamk. 1. c. vii. 28 ; Hanley, Rec. Shells, 
i. 239. 1. 12. f. 12. 
