MARINE MOLLUSCA OF MADEIRA. 323 



Eaener, Iconog. p. 180) it as a variety of tlie variable 

 and widespread T. sagittiferus, Lam. Tliat is wliere I 

 would place T. coluhrimis ; but abandoning Gould's species, 

 of whicli we are certaiu, we drift into the 7nare magnum of 

 mere opinion, and dealing here with the local fauna alone, 

 I feel it best to rest on Grould's nomenclature. 



354. Trochus {Ziziphimis) coniilus, 1767, Linne, Syst. Nat. 

 p. 1230 ; Philippi, Conch.-Cab. 2nd ed. it. pt. 3, p. 64, xiii. 

 8, 9 ; Eischer in Kiener's Iconog. vol. xi. p. 121, xl. 1, 

 xlix. 1. Hah. Prom the Agores to Mediterranean and 

 Canaries. (M., L., N., Jn., "W.) Pretty common. 



355. Trochus {Ziziphinus) exasperatus, 1777, Pennant, Brit. Zool. 

 IV. 126 : Gwyn JeiTreys, B. C. in. 324; & v. 203, Ixiii. 3. 

 Sah. Prom Scotland to Black Sea and Canaries. (M., L., 

 N. Jn., W.) Everywhere ; very abundant. 



356. Troclms (Ziziphinus) granulatus, 1778, Born, Index Mus. 

 p. 337, xii. 9, 10 : G-wyn Jeffreys, B. C. in. 327 ; & v. 204, 

 Ixiii. 5. Hah. Prom the extreme S.W. of Scotland to 

 Mediterranean and Canaries. (M., L,, Jn., W.) Prom 

 Punchal to Labra. Not uncommon. 



357. Trochus (Gibbula) magus, 1767, Linne, Syst. Nat. p. 1228 : 



Gwyn Jeffreys, B. C. in. 305 ; & Y. 203, Ixii. 1. Hah. Prom 

 S.W. Sweden to Mediterranean and Canaries. (M., L., N., 

 Jn.,W.) From Punchal to Punta de Sao Lourenco. Abundant. 



358. Trochus {Ziziphinus) striatus, 1767, Linne, Syst. Nat. 

 p. 1230 ; Hanley, Ipsa Lin, Conch, p. 321, pi. v. 7 : Gwyn 

 Jeffreys, B. C. in. 322 ; & v. 203, Ixiii. 2. Hah. Prom 

 Scotland to Mediterranean and Canaries. (M., L., N., 

 Jn., "W.) Everywhere ; very abundant. 



359. Trochus (Ziziphmus) zizyphinits, 1767, Linne, Syst. Nat. 

 p. 1231 : Gwyn Jeffreys, B. C. in. 330, vii. 4 ; & r. 204, 

 Ixiii. 6. Hah. Prom South Norway to Mediterranean and 

 Canaries. (M., L., N., Jn., "W.) Everywhere ; pretty 

 abundant. 



360. Trophon fusulus, 1814, Brocchi (as Murecc), Conch. Eoss, 

 Subap. 1st ed. p. 209, & 2nd ed. n. 199, viii. 9 ; Libassi(as 

 Miirex Spadce), 1859, Conch. Eoss. Palermo, p. 43, i. 29 ; 

 Bellardi (as Follia), Moll. terz. Pied. 1. 169, xii. 4 ; "Watson 

 {di^Murex), 'Challenger' Eep. p. 160; Kobelt (as Trophon), 

 Jahrb. 1887, p. 120, v. 1. In existence from the Upper 

 Miocene onwards. Hah. Erom the Bay of Biscay and 



